试卷(C卷)
合肥统编2024年版小学六年级C卷语文上册试卷(含答案)
合肥统编2024年版小学六年级语文上册试卷(含答案)考试时间：80分钟（总分:120）A卷一、综合题(共计100题)1. 拼音填字：在学校的运动会上，大家都在为同学们（______）(jiā) 加油，气氛非常（______）(rè) 闹。
2. 今天的课堂气氛很____。
答案：活跃3. 他每天都去____（xùn）练游泳，希望能在比赛中____（dé）奖。
答案：训练得4. 我们要学会_______，懂得感恩和回馈。
（答案：分享）5. 我们要爱护每一____动物。
答案：只6. 冬天来了，白雪____（pū）满大地，像给大地____（tā）上了白色的被子。
答案：铺蓋7. 地球上最重要的天文现象是什么？A. 日食B. 月食C. 流星雨D. 所有以上选项8. 星星的名称通常是什么来源？A. 古代文明B. 现代科学C. 杂志书籍D. 网络游戏9. 小鸭子在水中____游泳。
答案：快乐地10. 拼音填字：冬天到了，雪花（______）(fēn) 飞舞，给大地披上了银白色的（______）(yī) 裳。
11. 每年的春天，我都会去____（huā）园里看花，感受大自然的魅力。
答案：花12. 听力填字：小猫在草地上_______，十分可爱。
13. 这幅画的色彩搭配_______，给人一种清新的感觉。
（答案：独特）14. 诗词填字：春蚕到死丝方尽，_______蜡炬成灰泪始干。
15. 月照青山如水，_______几度寒窗。
答案：送16. 请填写反义词：美丽—（_________）17. 白日依山_______，苍苍云海间。
答案：额18. 听力填字：小朋友们在河边捡到了一只_______。
19. 什么是太空望远镜？A. 一个普通的望远镜B. 用于观测宇宙的设备C. 一种宇航员工具D. 地球上的照相机20. 造句：她的衣服很漂亮，__________颜色，__________款式都很合适。
安全防范系统试卷(C)
安全防范系统理论知识测试试卷一、单项选择题（ C卷）1、临时线缆标志应贴在距离线端（A.200~300mm）位置，不可距离线端过近A.200-300mmB.100-300mmC.200-400mmD.150-300mm2、线缆在大于45度的倾斜桥架内敷线时，应每隔（A.2米）与桥架绑扎固定A. 2B. 3C. 4D. 53、敷设于垂直管路中的导线，当长度超过（A.30m）时应在管口处和接续盒中加以固定A.30mB.20mC.10mD.40m4、在桥架中水平敷设的线缆首尾两端、转变两侧及每隔（D.5m）处与桥架绑扎固定A. 2B. 3C. 4D. 55、焊接较大元器件时，如金属底盘接地焊片，应选（B.100）W以上电烙铁A.50B.100C.60D.406、线管内敷设线缆时，穿入管内的绝缘导线外径的总截面不应超过管内面积的（40）%A.30B.20C.10D.407、钢索配线吊装管路时应按照先干线后支线的顺序进行，吊卡间最大间蹑不得大于（B.1.5）米A. 1B. 1.5C. 2D. 2.58、不同电压等级的线缆若在同一线槽内敷设应加隔板，电压在（A.65）V及以下的可不加隔板A.65B.110C.220D.3809、断线时要预留一定的长度，设备安装箱内的线缆预留长度应不小于箱体的（A.1/2）周长A.1/2B.1/3C.1/4D. 110、钢索吊装的扁钢吊卡宽度应不小于（A.20）mm，每个过线盒均应用2个吊卡固定在同一平面内A.20B.30C.40D.5011、用长卷尺测量线缆长度是否与合格证上的标称长度吻合，误差不得大于（A.1）%A. 1B. 3C. 4D. 512、线缆检测时对线芯的检查，应剥去线芯绝缘层，露出长约（B.30）mm左右的铜丝A.20B.30C.40D.5013、线缆检测数量品种多时，线缆检测可以抽检，抽检率不得低于（B.30）%A.20B.30C.40D.5014、敷设电缆时，多芯电缆的最小弯由半径大于其外径的（C.6）倍A. 2B. 3C. 6D. 515、同轴电缆的最小弯曲半径应大于其外径的（B.15）倍A.10B.15C.20D.2516、采取反转法放线拆解一定圈数后，须将线缆盘翻转（B.180）度，再拆解同样的圈数A.150B.180C.200D.25017、电缆盘放线时，人力滚动电缆盘要求路面坡度不宜超过（B.15）度A.10B.15C.20D.2518、光纤光缆的主要作用是传输型号，常用产生光信号的光源有（A.2）种，即发光二极管和半导体激光管A. 2B. 3C. 6D. 519、敷设光缆时，其最小弯曲半径应大于光缆外径的（A.20）倍A.20B.30C. 6D. 520、敷设光缆时牵引力不应超过（A.150）N，牵引速度宜为（B.10M）/min，一次牵引长度不宜超过（C.1KM）21、使用单模光纤时最大可达（D.50）kmA.20B.10C.60D.5022、决定停车场管理系统智能化水平的关键是（A.中心服务器）A.中心服务器B.入口控制器C.出口控制器D.道闸23、停车场出入口控制系统电动阻车杆起落时间最短应为（B.2.5）sA. 2B. 2.5C. 3D. 3.524、地感线圈制作埋设槽时应保证埋设槽时应保证埋设槽槽深不小于（D.5）mm，槽宽不小于（B.50）mm25、安装地感线圈时注意线圈附近、正下方不能有大量金属物质，相邻线圈边缘相距至少超过（C.30）mmA.20B.10C.30D.5026、应使用电感测试仪测试地感线圈的电感值，确保电感值在（B.100~300）pH之间A.50-300B.100-300C.150-300D.200-30027、连接设备线缆在剥线时，应将各类线缆的护套剥去（D.5）mm，不要割伤护套内芯线，并将各芯线的绝缘层剥去（D.5）mm，使各线芯铜芯裸露。
小学五年级下册C卷英语第4单元期末试卷(答案和解释)
小学五年级下册英语第4单元期末试卷(答案和解释)英语试题一、综合题(本题有50小题，每小题2分，共100分.每小题不选、错误，均不给分)1.We ______ (visit) the zoo last weekend. We ______ (see) many animals, including lions, tigers, and elephants. I ______ (take) lots of photos, and we ______ (have) a great time.2.Which of the following is the correct translation of "apple" in English?A. OrangeB. BananaC. AppleD. Pear3.I __________ (1) a new game yesterday. It __________ (2) very fun. I __________(3) it with my brother, and we __________ (4) a great time.4.I _______ (am / is / are) excited about the party tomorrow.5.We are going to visit my grandmother this weekend. She lives in the __________ (1). Her house is very __________ (2), and she has a big __________ (3) where she grows flowers and vegetables. My cousins are also coming. We will play __________ (4) games and eat some __________ (5). After lunch, we are going to __________ (6) with grandma and listen to her tell us funny __________ (7). I am very __________ (8) to visit her.6.My dad ______ (be) a teacher. Every day, he ______ (teach) students at school. He ______ (like) his job because he ______ (help) kids learn new things. On weekends, he______ (spend) time with our family.7.In the evening, my family always has __________. We sit together at the__________ and eat __________. My father loves __________, and my mother enjoys__________. After dinner, we sometimes go for a __________ or watch a __________. I enjoy evenings with my family because we always __________ and have a __________ time.8.I always _______ (go) to the park after school. My friends and I _______ (play) soccer there. Sometimes, we _______ (ride) bikes.9.Peter ______ (love) to play video games in his free time. He spends a lot of time playing with his friends online.10.Lucy loves animals. She has a pet __________ that she takes care of every day. Her pet likes to play with a __________, so Lucy often buys new ones for it. Lucy also loves to visit the __________ to see different kinds of animals. At the zoo, she enjoys watching the __________ swim in the water. She hopes to become an __________ to help animals when she grows up.11.This morning, I ______ (forget) to bring my schoolbag to school. I ______ (feel) very worried because I ______ (not know) what to do. My friend Jack ______ (offer) to help me. He ______ (say) I could borrow his book for the class. I ______ (thank) him and ______ (promise) to return it after school.12.I _______ (see) my friend at school.13.Which of these is a type of animal?A. TableB. LionC. SpoonD. Chair14.Which of these is used to open a door?A. KeyB. SpoonC. PlateD. Fork15.They _______ (not be) at home right now.16.Which of these is a color?A. TableB. BlueC. CarD. Book17.What is the opposite of "young"?A. OldB. BigC. SmallD. Tall18.She ________ (speak) three languages.19.I _______ (visit) my friend last weekend. We _______ (have) a great time together. We _______ (play) video games and _______ (watch) a movie. After that, we _______ (eat) pizza.20.Which one is a tool?A. WrenchB. DogC. PlateD. Chair21.The dog is _______ the chair.A. inB. onC. underD. at22.Which of these is a shape?A. SquareB. DogC. ChairD. Car23.He _______ (not) understand the lesson.24.Which one is a kind of animal?A. ElephantB. ChairC. TableD. Spoon25.She _______ (read) a book at the moment.26.I _______ (study) English every day. I _______ (like) to read English books and_______ (watch) English movies. On weekends, I _______ (practice) speaking English with my friends.27.Which of these is used for writing on a blackboard?A. PenB. ChalkC. EraserD. Marker28.Which one is a number?A. DogB. SevenC. ChairD. Spoon29.Which word is a color?A. bookB. redC. runD. apple30.My mother _______ (make) delicious food.31.Lily and her friends were walking to the __________ when they saw a colorful__________ in the sky. It was a beautiful __________, and everyone stopped to watch it. After the rainbow disappeared, they continued their walk to the __________ to have ice cream.32.I _______ (love) my family very much.33.Which of these is a toy?A. BallB. SpoonC. ForkD. Plate34.I __________ (not, like) to eat broccoli when I __________ (be) younger. But now,I __________ (eat) it because I __________ (know) it’s very healthy. Yesterday, I__________ (eat) some broccoli with my dinner, and it __________ (taste) good.35.What color is the sun?A. RedB. GreenC. YellowD. Blue36.Which of these is an animal that lives in the water?A. ElephantB. FishC. GiraffeD. Tiger37.David is at the park with his dog. He is playing __________ with his dog, throwinga __________ for the dog to catch. After playing for a while, they sit under a__________ to rest. David gives his dog a __________ to drink and feels happy to spend time outside.38.Lily loves to play in the garden. She has many __________ (1) there. Sometimes, she picks some __________ (2) to give to her mom. Today, she is watering the__________ (3) in the garden. She also likes to sit under the __________ (4) and read her favorite __________ (5).39.Which one is a kind of tree?A. OakB. CarrotC. SpoonD. Book40.He _______ (help) his mother.41.What is the opposite of "hot"?A. ColdB. WarmC. BigD. Light42.She _______ (not / no / don’t) like chocolate.43.My family and I like to go on trips together. Last summer, we went to the mountains for a week. The weather was very nice, and we could see beautiful views from our hotel. We woke up early every morning to watch the sunrise. In the afternoon, we went hiking and took lots of photos. I __________ (1) a great time with my parents and little brother. We also __________ (2) a lot of delicious food. I __________ (3) to visit the mountains again next summer because I __________ (4) it so much.44.He _______ (be) very smart.45.Which of these is a time of day?A. SummerB. DecemberC. MorningD. January46.I _______ (am / is / are) very excited today.47.They _______ (has / have / had) a big house.48.I _______ (have) a lot of homework.49.Which of these is used to cut paper?A. KnifeB. ScissorsC. SpoonD. Plate50.Yesterday, I _______ (go) to the park with my family. We _______ (have) a picnic and _______ (enjoy) the beautiful weather. My little sister _______ (play) with her toys,and I _______ (read) a book under a tree. After lunch, we _______ (take) a walk around the lake, and we _______ (see) many birds.(答案及解释)。
小学下册C卷英语第五单元期末试卷(含答案)
小学下册英语第五单元期末试卷(含答案)考试时间：100分钟（总分:140）A卷一、综合题(共计100题共100分)1. 听力题：An alkali metal is very ______ reactive.2. 选择题：What is the main source of light during the day?A. MoonB. StarsC. SunD. Fire答案:C3. 听力题：The __________ is crucial for maintaining clean water supplies.4. 填空题：The __________ (历史的媒体) shape public opinion.5. 填空题：The journalist, ______ (记者), writes interesting stories.6. 听力题：My mother is a ______. She cooks wonderful meals.7. 选择题：What color do you get when you mix blue and yellow?A. PurpleB. GreenC. OrangeD. Brown8. 选择题：Which day comes before Monday?A. SaturdayB. SundayC. FridayD. Thursday9. 听力题：The _______ is essential for pollination.10. 填空题：The flower blooms in bright ______.11. 填空题：We have ______ lessons every week.12. 听力题：The _____ (bicycle/car) is fast.13. 填空题：My mom makes the best ________ (汤).14. 填空题：I want to grow _____ (蔬菜) this year.15. 填空题：My sister loves _______ (跳舞).16. 听力题：We saw a ________ (movie) last night.17. 填空题：A rabbit can hop over tall ______ (障碍).18. 填空题：I want to travel to ________ (不同国家) when I grow up. I want to see ________ (名胜古迹).19. 选择题：What do you call a young crocodile?A. HatchlingB. PupC. CalfD. Kit20. 选择题：What is the main purpose of a refrigerator?A. To cook foodB. To keep food coldC. To wash clothesD. To dry hair21. 选择题：What do you call the act of listening carefully to someone?A. HearingB. Paying attentionC. UnderstandingD. Engaging答案: B22. 选择题：Which animal is known for its ability to fly?A. FishB. DogC. BirdD. Turtle23. 填空题：The ________ (生态系统服务价值) is acknowledged.24. 选择题：Which animal is known for its ability to swim?A. SparrowB. ElephantC. DolphinD. Cheetah25. 听力题：A _______ is a property that describes how a substance behaves in a chemical reaction.26. 听力题：I see a _____ (car/bike) on the road.27. 填空题：My __________ (玩具名) is very easy to __________ (动词).28. 听力题：The ____ is known for its climbing abilities and loves trees.29. 选择题：How many colors are there in a rainbow?A. FiveB. SixC. Seven答案: C30. 听力题：A solution is created when a solute is ______ in a solvent.31. 选择题：What is the fastest land animal?a. Cheetahb. Lionc. Horsed. Elephant答案:A32. 选择题：What do we call a group of fish swimming together?A. SchoolB. FlockC. PackD. Pod答案:A33. Fire of London happened in ________ (1666). 填空题：The Grea34. 填空题：I like to ______ (参与) in public speaking events.35. 听力题：The __________ River is one of the longest in North America.36. 选择题：What do we call a baby elephant?A. CalfB. PupC. FoalD. Cub37. 填空题：My uncle shares his __________ (知识) with us.38. 选择题：What color is the sky on a clear day?A. GreenB. BlueC. Red答案:B39. 填空题：The ________ was a significant event in American history.40. 选择题：What instrument is used to measure time?A. ThermometerB. RulerC. ClockD. Scale答案:C41. 选择题：What do you call the force that pulls objects toward the Earth?a. Magnetismb. Gravityc. Frictiond. Pressure答案:B42. 填空题：She is a poet, ______ (她是一位诗人), writing beautiful verses.43. 填空题：I like to write ________ (故事).44. 听力题：The periodic table organizes elements by their ______.45. 选择题：How many months have 28 days?A. OneB. SomeC. AllD. None46. 听力题：The _____ (llama) is fluffy.47. 听力题：A mineral's cleavage refers to how it breaks along ______.48. 填空题：Ancient civilizations often built ________ for religious purposes.A __________ (化学研究生) plays a key role in developing new technologies.50. 填空题：The invention of the assembly line changed _____ manufacturing.51. 听力题：A __________ is a way to represent a chemical reaction.52. 选择题：What color do you get when you mix red and white?A. PinkB. PurpleC. BrownD. Blue答案:A53. 选择题：Which of these is a primary color?A. PurpleB. OrangeC. GreenD. Red答案:D54. 听力题：The capital city of Nigeria is __________.55. 填空题：The ________ is green and tall.56. 选择题：What is the name of the famous character who fought against Darth Vader?A. Luke SkywalkerB. Han SoloC. Obi-Wan KenobiD. Yoda答案: A57. 选择题：What do we call a baby goat?A. KidB. LambC. PuppyD. CalfWhat is the main ingredient in pizza?A. DoughB. RiceC. PastaD. Salad59. 填空题：I enjoy visiting the ______ (动物园) to see all the different animals. My favorite is the ______ (老虎).60. 选择题：What is the capital of France?A. LondonB. ParisC. RomeD. Berlin答案:B61. 选择题：Which season is the coldest?A. SpringB. SummerC. FallD. Winter62. 选择题：Which animal is known for its intelligence and ability to mimic sounds?A. ParrotB. DogC. CatD. Dolphin63. 听力题：The ancient Egyptians used ________ for documenting their history.64. 听力题：My cousin is a ______. She enjoys traveling to new countries.65. 选择题：Which animal lives both on land and in water?A. HorseB. FrogC. BirdD. Fish答案: BMy brother, ______ (我弟弟), is very talented at music.67. 填空题：My _____ (魔方) is colorful and tricky.68. 选择题：What do we call the process of creating energy from the sun?A. Solar powerB. PhotovoltaicsC. Solar energyD. All of the above答案: D. All of the above69. 听力题：A _______ is a chemical process that involves rearranging atoms.70. 听力题：An example of a renewable energy source is ______ (solar) power.71. 听力题：Salt can be formed by the reaction of an acid and a _____ (base).72. 选择题：What is the term for a baby goat?A. KidB. LambC. CalfD. Foal答案:A73. 听力题：A ______ is a type of rodent.74. 听力题：The __________ can reveal the relationships between different geological layers.75. 选择题：What is the name of the famous waterfall located on the border of Canada and the USA?A. Victoria FallsB. Niagara FallsC. Angel FallsD. Yosemite Falls答案:BA ____ is a playful animal that enjoys splashing in water.77. 选择题：What is the capital city of Egypt?A. CairoB. AlexandriaC. GizaD. Luxor答案: A78. 听力题：My dad enjoys fishing at the ____ (lake).79. 选择题：What do we call the study of human behavior and mental processes?a. Psychologyb. Sociologyc. Anthropologyd. Geography答案:a80. 填空题：The __________ (历史的吸引力) captivates audiences.81. 听力题：A ______ is an ocean animal with a soft body and no bones.82. 听力题：I see a _____ (caterpillar) on the leaf.83. 填空题：A _____ (花卉) can brighten up any space.84. 填空题：My sister enjoys __________ (参加) creative workshops.85. 选择题：What do we call a place where we can see wild animals?A. ZooB. SafariC. Wildlife reserveD. Sanctuary86. 填空题：The _____ (植物习性) can inform gardening practices.The sun is _______ (很亮).88. oasis) is a fertile area in a desert. 填空题：The ____89. 选择题：What do you call the action of helping someone in need?A. AssistingB. SupportingC. AidingD. Caring答案: A90. 选择题：What do we call the study of ancient cultures?A. ArchaeologyB. AnthropologyC. HistoryD. Sociology答案: A91. 听力题：I have a _______ (cat).92. 填空题：I enjoy _______ (参与) community projects.93. 填空题：The ______ (香味) of herbs can enhance meals.94. 听力题：I have a ___ (story/book) to read.95. 听力题：I can ______ (do) magic tricks.96. 选择题：What is the opposite of "fast"?A. QuickB. SlowC. SpeedyD. Hasty答案:B97. 听力题：I can ________ my name.98. 听力题：I can see a _____ (汽车) in the street.99. an Empire was known for its ________ (宽容). 填空题：The Phar100. 选择题：Which gas do plants take in during photosynthesis?A. OxygenB. Carbon DioxideC. NitrogenD. Helium答案:B。
职业技能大赛手工木工理论考试试题及参考答案(试卷C)
手工木工理论知识A 第1页，共4页职业技能大赛---住房城乡建设行业职业技能竞赛 《手工木工理论》试题（C 卷）注意事项：1.考生必须严格遵守考场规则。
2.本卷满分100分，考核时间90分钟。
3.答题前，考生应按准考证上的有关内容在答题卡上指定位置填写“考生姓名”“工位号”等信息。
4.答案必须按要求填涂在指定的答题纸上。
5.考试结束，将试题、答题卡一并交回。
一、单项选择题(下列试题只有一个正确答案,每题1分，共50分） 1.木板顶棚所用的木板，必须刨光，板宽不小于（ ）。
A 、5 cm B 、10 cm C 、15 cm D 、20 cm 2.( )反映物体左、右和上、下关系，不反映前、后关系。
A 、正立面投影图B 、反立面投影图C 、上立面投影图D 、大样图3.跨度大于 m 以上的吊顶，应在主龙骨上，每隔 m 加一道大龙骨，并垂直主龙骨焊接牢固，正确答案是（ ）A 、10，15B 、15，15C 、10，30D 、10，20 4.( )反映物体左、右和上、下关系，不反映前、后关系。
A 、水平投影图B 、反立面投影图C 、上立面投影图D 、大样图 5.房屋施工图由于专业分工不同，一般分为（ ）A 、建筑施工图、结构施工图、水暖电施工图B 、结构装配图C 、零件图D 、大样图 6.轻钢龙骨石膏板隔墙中，首先封单面石膏板靠门窗柱边石膏板用自攻螺丝与竖龙骨固定时，自攻螺丝间距为 mm ，其它地方自攻螺丝间距为 mm,正确答案（ ） A 、100～150 200 B 、150～200 200 C 、100～150 250 D 、150～200 2507.木制玻璃门窗的制作中，门窗框厚度大于（ ）门扇，应采用双榫连接。
A 、20㎜B 、30㎜C 、50㎜D 、80㎜ 8. 木材容积重的大小决定于（ ）多少。
A 、木材含水率B 、早材率C 、晚材率D 、取材率 9. 木材产生变形翘曲主要是由于（ ）。
A 、木材存放不当B 、弦切板内外收缩不一致C 、木材阴阳面收缩不一致D 、使用不当 10. 木材在吸湿过程中，当木材的细胞腔内还没有出现水分，只有细胞壁中含有最多水分时叫（ ）。
小学三年级上册C卷英语第4单元期末试卷(含答案含解析)
小学三年级上册英语第4单元期末试卷(含答案含解析)英语试题一、综合题(本题有50小题，每小题2分，共100分.每小题不选、错误，均不给分)1.Which of these is a shape?A. CircleB. BananaC. CupD. Dog2.Jack is getting ready for his school concert. He is going to play the __________ in the school orchestra. Jack loves playing music, and he has been practicing every day. His teacher, Mrs. Lee, says that Jack has improved a lot and is playing the __________ much better than before. His friend, Tim, is going to sing a __________ during the concert, and his sister, Lily, is going to play the __________. Everyone is excited about the concert, and Jack hopes the audience will __________ for them at the end.3.We _______ (read) a book at the moment.4.We _______ (is / are / am) playing basketball now.5.What is the color of the sky on a clear day?A. BlueB. GreenC. YellowD. Red6.I _______ (not play) video games in the evening.7.What do we use to tell the time?A. BookB. ClockC. PenD. Shoe8.She ________ (go) to the library every Saturday.st weekend, my friends and I __________ (decide) to go hiking. We __________ (wake) up early and __________ (bring) our backpacks. The weather __________ (be) perfect for a hike. We __________ (climb) to the top of the mountain and __________ (enjoy) the beautiful view. After that, we __________ (sit) on the rocks and __________ (eat) some snacks.10.I ______ (love) to play with my dog. Every morning, I ______ (take) him for a walk. He ______ (be) very playful, and we ______ (run) in the park together. Yesterday, we ______ (find) a stick, and I ______ (throw) it for him. He ______ (bring) it back to me. It ______ (be) a fun day.11.We are planning a trip to the mountains next month. We will hike and enjoy the beautiful views. I am also bringing a camera to take pictures of the scenery.12.David is studying for his math test. He needs to learn how to add and subtract__________ and __________. Yesterday, his teacher gave the class a __________ to help them practice. David thinks the test will be __________, but he is confident because he has been studying hard. His best friend, Jack, is also studying with him. They are both __________, and they help each other with difficult problems. After the test, David plans to treat himself to a __________.13.I _______ (not) understand this subject.14.What is the plural form of "child"?A. ChildsB. ChildrenC. ChildesD. Childern15.We __________ (study) for the English test right now. I __________ (read) my notes, and my friend Lily __________ (practice) speaking. We __________ (hope) to do well on the test. After studying, we __________ (plan) to go to the library to read more books.16.What do we use to eat a sandwich?A. SpoonB. KnifeC. ForkD. Hands17.She _______ (eat) an apple.st summer, my family ______ (travel) to Japan. We ______ (visit) many famous places, such as Tokyo Tower and Mount Fuji. I ______ (buy) some souvenirs for my friends, and my parents ______ (take) lots of photos. We ______ (stay) in a hotel near the beach, and we ______ (swim) every day. It ______ (be) a wonderful holiday.19.We __________ (1) to the beach every summer. The beach __________ (2) beautiful. We __________ (3) in the sea and __________ (4) sandcastles. My brother__________ (5) to bring his toys, but I __________ (6) to bring my camera to take pictures.20.My dad ______ (work) at a bank. He usually ______ (leave) home at 8:00 and______ (come) back at 6:00. He ______ (like) his job because it ______ (be) interesting.I ______ (want) to be a teacher when I grow up.21.Every morning, I __________ (1) breakfast at 7:30 AM. My dad __________ (2) to work early, so he __________ (3) breakfast at 6:30. After I __________ (4) breakfast, I __________ (5) to school.st summer, we ______ (travel) to the mountains for vacation. We ______ (stay) in a small cabin. Every morning, we ______ (go) hiking, and we ______ (explore) the nature around us. I ______ (enjoy) the fresh air and beautiful views.23.Which of these is used to measure temperature?A. ThermometerB. KnifeC. PlateD. Scale24.My sister ______ (play) the piano every day. Yesterday, she ______ (play) a beautiful song. I ______ (listen) to her and ______ (enjoy) the music very much.25.I _______ (work / works / worked) on a project yesterday.26.Which one is a season?A. WinterB. BookC. CarD. Spoon27.Which one is a vegetable?A. PotatoB. MangoC. StrawberryD. Banana28.Which animal is called the "king of the jungle"?A. TigerB. LionC. ElephantD. Bear29.Which of the following is a tool used for cutting?A. SpoonB. KnifeC. PlateD. Cup30.Which one is a domestic animal?A. TigerB. ElephantC. DogD. Lion31.I like to eat ______ for breakfast. It is very ______ and gives me a lot of energy. Sometimes, I also have ______ or a glass of ______. I think i t’s important to eat a healthy ______ to start the day.32.Tom is preparing for his school play. He is going to play the part of a __________. He wears a __________, __________, and __________ to look like his character. Tom practices his lines every day and feels nervous but excited. On the day of the play, Tom and his classmates perform in front of their __________. The audience claps and cheers at the end of the show.33.Sarah is learning how to play the __________. She takes lessons every __________ after school. Sarah enjoys playing classical music, especially songs by __________. Shehopes to become really good at playing the piano and perform in front of her __________ at the school talent show.34.Which of these is used to drink water?A. ForkB. KnifeC. SpoonD. Cup35.What is the opposite of big?A. SmallB. TallC. LargeD. Heavy36.He _______ (go / goes / gone) to the library every day.37.Which word describes the weather?A. happyB. sunnyC. chairD. pencil38.Which one is a pet?A. ElephantB. DogC. LionD. Bear39.She _______ (be) a student.40.Every Sunday, my family ______ (go) to the park to play. My little brother always ______ (ride) his bike, and I ______ (bring) a ball to play soccer. Last Sunday, we______ (have) a picnic after playing.41.Which of these is something you can eat?A. SpoonB. BananaC. TableD. Chair42.Which word means "a place where you can borrow books"?A. schoolB. libraryC. hospitalD. park43.What do we use to drink water?A. SpoonB. ForkC. CupD. Knife44.What do we use to clean our teeth?A. SpoonB. ToothbrushC. KnifeD. Fork45.I _______ (was / were / is) at the museum last month.46.Which one is a holiday?A. MondayB. ChristmasC. FridayD. January47.I __________ (go) to bed at 9:00 p.m. every night. My parents __________ (tell) me that I __________ (need) to get enough sleep. Last night, I __________ (fall) asleep very quickly because I __________ (be) very tired.48.Which animal barks?A. CatB. DogC. FishD. Bird49.Which of these is a season?A. MondayB. WinterC. ChristmasD. January50.What is the opposite of "hot"?A. WarmB. ColdC. CoolD. Sweet(答案及解释)。
小学三年级下册C卷英语第1单元期末试卷(答案和解释)
小学三年级下册英语第1单元期末试卷(答案和解释)英语试题一、综合题(本题有50小题，每小题2分，共100分.每小题不选、错误，均不给分)1.We _______ (be) very excited for the trip.2.What animal is the largest in the world?A. ElephantB. WhaleC. TigerD. Giraffe3.How do you say "你好" in English?A. GoodbyeB. Thank youC. HelloD. Sorry4.They _______ (play) soccer in the afternoon.5.Which of the following is a good way to keep your room clean?A. Leave toys everywhereB. Pick up your things and put them awayC. Pile everything in a cornerD. Hide everything under the bed6.Lily is going to the park. She brings her __________ and her __________ to play with. When she arrives at the park, she sees some __________ playing on the__________. After playing for a while, Lily feels __________.7.David is at the dentist. He needs to get a __________ because he has a small__________ in his tooth. The dentist is very __________ and explains the procedure carefully. After the treatment, David feels a little __________ but is happy that his teeth are healthy again.8.I _______ (do / does / did) my homework after school.9.Which of these is a fruit?A. CarrotB. TomatoC. PotatoD. Onion10.I _______ (be) at the park yesterday.11.We __________ (1) a picnic last weekend. The weather __________ (2) perfect fora picnic. We __________ (3) go to the park and __________ (4) some sandwiches, fruit, and juice. My dad __________ (5) play football with me, while my mom __________ (6) take pictures of us. After lunch, we __________ (7) sit on the grass and __________ (8) talk. It __________ (9) a wonderful day, and we __________ (10) plan to have another picnic soon.12.Which of these is used to eat soup?A. KnifeB. SpoonC. ForkD. Plate13.What is the name of the orange fruit?A. StrawberryB. AppleC. BananaD. Orange14.What is the opposite of "hot"?A. WarmB. ColdC. CoolD. Burning15.We _______ (not) play soccer on Sundays.16.This is my _______ pen.A. yoursB. mineC. theirD. my17.We _______ lunch at 12 o’clock.18.Sally and her brother, Tim, are preparing for a picnic. Sally makes __________ sandwiches with cheese, tomatoes, and __________. Tim packs some __________ and __________ in a basket. Their parents bring __________, and Sally brings a __________ to sit on. They will enjoy their meal in the __________ and enjoy the fresh air. After lunch, Tim plans to play __________ with Sally.19.They _______ (not like) playing basketball.20.Lily is in the classroom. She is sitting at her __________ (1) with a __________ (2) in her hand. The teacher asks her to answer a __________ (3) on the board. Lily is__________ (4) because she knows the answer.21.Which of the following is a fruit?A. CarrotB. AppleC. CucumberD. Potato22.Anna loves animals, and she is visiting the zoo today. She first sees a __________ (1) walking around in its large enclosure. Near the __________ (2), there are some monkeys swinging from tree to tree. Anna is also excited to see a __________ (3) in the water, swimming happily. Afterward, they go to see the __________ (4), which is very tall and has a long neck.23.Which of these is a shape?A. CircleB. CarC. TreeD. Apple24.Which one is not a vegetable?A. TomatoB. LettuceC. CarrotD. Banana25.Which of these is a type of animal?A. ChairB. ElephantC. TableD. Pen26.What do you use to cut paper?A. PenB. ScissorsC. GlueD. Eraser27.Every Sunday, I ______ (wake) up early and ______ (help) my mom with housework. After we ______ (finish) cleaning, we usually ______ (go) to the market to buy fresh vegetables. I ______ (like) to help her because it ______ (be) fun, and I ______ (feel) happy when I ______ (help) her.28.My sister _______ (wear) a red dress today.29.Which animal is known for its ability to swim and live in the water?A. DogB. FishC. LionD. Bird30.She _______ (not) eat lunch at school.31.He _______ (eat) pizza every weekend.32.Which one is a pet?A. CowB. DogC. LionD. Elephant33.Which one is a color?A. JumpB. GreenC. RunD. Sing34.I __________ (1) go to the supermarket with my mom every Saturday. We__________ (2) buy groceries like vegetables, fruit, and milk. My mom __________ (3) like to buy fresh food, so we __________ (4) go to the store early in the morning. I__________ (5) usually help her carry the bags. After shopping, we __________ (6) stop by the bakery to buy some bread. It __________ (7) be a nice way to spend the morning.35.Sarah loves reading books. Her favorite type of books are about __________ (1) and magic. Today, she is reading a book about a wizard who goes on an adventure to find a __________ (2). Sarah imagines herself as the __________ (3) and dreams of using magic powers. In the story, the wizard has a loyal __________ (4) who helps him on hisjourney. Sarah can’t wait to finish the book and find out wha t happens at the __________ (5).36.Yesterday, we ______ (go) to the zoo with our class. We ______ (see) many animals, such as elephants, tigers, and monkeys. I ______ (take) some pictures, and my friend Lucy ______ (buy) a souvenir.37.Every Saturday, my family and I __________ (1) to the market. We __________ (2) vegetables, fruits, and bread. After shopping, we __________ (3) to a café and__________ (4) some hot chocolate.38.Which of these is a type of animal?A. CatB. BookC. ChairD. Pen39.Which of these animals can fly?A. DogB. FishC. BirdD. Cow40.What is the opposite of "hot"?A. ColdB. WarmC. CoolD. Soft41.The weather today ______ (be) very hot. I ______ (wear) a Tshirt and shorts because it’s so warm outside. My friends and I ______ (decide) to go swimming at the beach. We ______ (bring) sunscreen to protect our skin from the sun. I ______ (hope) it ______ (not rain) later, because we ______ (want) to enjoy the sunny weather.42.Which animal has a long neck?A. GiraffeB. DogC. CatD. Elephant43.He _______ (have / has / had) a big house.44.After school, Anna and her friends like to go to the __________ (1) to play. Today, they are going to play __________ (2). Anna is very good at this game, and she can__________ (3) the ball very well. Her friends are also good players, and they have a lot of __________ (4) together. After playing, they usually go to the __________ (5) and buy some snacks. Anna likes to eat __________ (6) after a long game.45.Which one is a color?A. GreenB. TableC. SpoonD. Chair46.Which of these is a color?A. YellowB. ChairC. PlateD. Spoon47.I have a new bicycle. It is blue and white with a basket in front. I love riding it around the neighborhood, especially in the park. Sometimes, my brother joins me, and we race each other.48.She _______ (not study) in the evening.49.This morning, I woke up early and went to the kitchen to make breakfast. I decided to make some __ with eggs. I also made a smoothie with __ and bananas. After breakfast,I cleaned the table and prepared my schoolbag for the day.50.Lily is walking to school. She sees a __________ in the street and a __________ on the sidewalk. She picks up the __________ and puts it in her bag. She doesn’t want to leave it on the ground because it looks __________.(答案及解释)。
山大网络《数据结构》试卷( C 卷)
《数据结构》试卷（C卷）一、单项选择题1. 空串与空格字符组成的串的区别在于（ B ）。
A.没有区别B.两串的长度不相等C.两串的长度相等D.两串包含的字符不相同2. 一个子串在包含它的主串中的位置是指（ D ）。
A.子串的最后那个字符在主串中的位置B.子串的最后那个字符在主串中首次出现的位置C.子串的第一个字符在主串中的位置D.子串的第一个字符在主串中首次出现的位置3. 下面的说法中，只有（C ）是正确的。
A.字符串的长度是指串中包含的字母的个数B.字符串的长度是指串中包含的不同字符的个数C.若T包含在S中，则T一定是S的一个子串D.一个字符串不能说是其自身的一个子串4. 两个字符串相等的条件是（D ）。
A.两串的长度相等B.两串包含的字符相同C.两串的长度相等，并且两串包含的字符相同D.两串的长度相等，并且对应位置上的字符相同5. 若SUBSTR（S，i，k）表示求S中从第i个字符开始的连续k个字符组成的子串的操作，则对于S=“Beijing＆Nanjing”，SUBSTR（S，4，5）=（ B ）。
A. “ijing”B. “jing＆”C. “ingNa”D. “ing＆N”6. 若INDEX（S，T）表示求T在S中的位置的操作，则对于S=“Beijing＆Nanjing”，T=“jing”，INDEX（S，T）=（ C ）。
A.2B.3C.4D.57. 若REPLACE（S，S1，S2）表示用字符串S2替换字符串S中的子串S1的操作，则对于S=“Beijing＆Nanjing”，S1=“Beijing”，S2=“Shanghai”，REPLACE（S，S1，S2）=（ D ）。
A. “Nanjing＆Shanghai”B. “Nanjing＆Nanjing”C. “ShanghaiNanjing”D. “Shanghai＆Nanjing”8. 在长度为n的字符串S的第i个位置插入另外一个字符串，i的合法值应该是（ C ）。
小学五年级下册C卷英语第4单元期末试卷(答案和解释)
小学五年级下册英语第4单元期末试卷(答案和解释)英语试题一、综合题(本题有50小题，每小题2分，共100分.每小题不选、错误，均不给分)1.We ________ (visit) our grandparents next holiday.2.Choose the correct word to complete the sentence: "She is ____ teacher."A. AB. AnC. TheD. Some3.What is the plural of "child"?A. ChildsB. ChildrenC. ChildernD. Childes4.Which of these is a tool?A. PlateB. SpoonC. HammerD. Chair5.Which one is a body part?A. HandB. TableC. BookD. Chair6.We _______ (not) eat breakfast at home.7.It is a sunny day today. I ______ (go) to the park with my friends. We ______ (play) football for an hour. After that, we ______ (eat) lunch at the picnic table. I ______ (have) a sandwich and some juice. My friend Tom ______ (bring) cookies to share with everyone. We ______ (have) a lot of fun and ______ (decide) to meet again next week. 8.My brother _______ (love) to play video games. Every evening, he _______ (spend) at least two hours playing. Last night, he _______ (play) a new game, and he _______ (win) a prize. He _______ (be) very happy about it.9.I __________ (1) a book yesterday. It __________ (2) about animals in the jungle. The story __________ (3) very interesting. I __________ (4) the book before bed and__________ (5) to my parents about it. They __________ (6) happy that I __________ (7) a new book.10.They _______ football in the afternoon.11.She _______ (eat) lunch at noon.12.This is my friend Peter. He __________ (1) from Canada. He __________ (2) tall and __________ (3) very kind. Peter __________ (4) play basketball every weekend. He __________ (5) practice with his friends at the park. I __________ (6) sometimes watch him play, but I __________ (7) like basketball. I __________ (8) prefer playing soccer.13.Which one is a color?A. AppleB. BlueC. DogD. Chair14.I _______ (want) a glass of water.15.We _______ (play) badminton on weekends.16.In the afternoon, I like to go to the __. My friends and I play __ there. Sometimes, we also play on the __ or swing on the __. The weather is usually __, so it’s perfect for playing outside. After playing, we rest under a __ tree and drink some water.17.On weekends, I like to __________ (1) with my family. We usually go to the__________ (2) and walk along the __________ (3). I like to bring my __________ (4)to the park. Sometimes, we have a __________ (5) and eat __________ (6). After the trip, we feel very __________ (7).18.My family __________ (1) to the beach every summer. We __________ (2) fun in the sand and __________ (3) ice cream. Last year, we __________ (4) a big sandcastle. This year, we __________ (5) to make an even bigger one.19.My brother _______ (play) basketball on Sundays.20.What do we use to clean our teeth?A. ToothbrushB. CombC. SpoonD. Knife21.Which of the following is a tool?A. HammerB. SpoonC. PlateD. Book22.Which one is a body part?A. LegB. PlateC. KnifeD. Spoon23.Your friend is feeling sick and staying at home. She rests in bed, drinks water, and watches TV. What is your friend doing?A. Playing outsideB. StudyingC. Resting and recoveringD. Cleaning the house24.My sister __________ (1) to sing songs. She __________ (2) very well, and she__________ (3) in a choir at school. Last week, she __________ (4) a solo performance at the school concert. It __________ (5) amazing, and we all __________ (6) proud of her.25.She _______ (is) my sister.26.I ______ (not/know) about the concert last week, but my friend ______ (tell) me about it yesterday. I ______ (decide) to go, and it ______ (be) amazing.27.Which of these is a season?A. SummerB. MondayC. JanuaryD. Car28.I __________ (1) a new bike last week. It __________ (2) red and black, and it__________ (3) very fast. I __________ (4) ride it to the park every weekend. My friend Jack __________ (5) a bike, too. His bike __________ (6) blue, and it __________ (7) very comfortable to ride. We __________ (8) meet at the park to ride our bikes together.29.John is sitting at his desk, doing his homework. He is using a __________ to write the answers. His brother is reading a __________ next to him. John feels __________ because he wants to finish his homework quickly so he can play outside.30.What color is a strawberry?A. RedB. GreenC. BlueD. Yellow31.Which animal is known for having a long neck?A. ElephantB. GiraffeC. LionD. Tiger32.My family __________ (1) a big house in the city. There __________ (2) three bedrooms and a large kitchen. I __________ (3) to play video games in my room, but my parents __________ (4) that I __________ (5) outside for some exercise.33.What is the opposite of "happy"?A. SadB. AngryC. ExcitedD. Calm34.She is _______ than her brother.A. tallB. tallestC. tallerD. more tall35.I _______ (like / likes / liked) ice cream very much.36.Which of these is used to eat food?A. PlateB. ForkC. SpoonD. Knife37.My family _______ (live) in a big city, but we often _______ (go) to the countryside on weekends. Last weekend, we _______ (visit) a small village. We _______ (stay) there for two days, and we _______ (enjoy) the peaceful environment very much.38.Which color is the sky on a clear day?A. GreenB. YellowC. BlueD. Red39.We _______ to the zoo every year.40.Which one is a shape?A. CircleB. DogC. SpoonD. Plate41.Which of these is a shape with three sides?A. CircleB. SquareC. TriangleD. Rectangle42.What do you use to write?A. PenB. ForkC. PlateD. Spoon43.Which of these is a fruit?A. CarrotB. PotatoC. OrangeD. Lettuce44.Which of these is not a body part?A. LegB. ArmC. SpoonD. Head45.Sophia is organizing her __________. She puts her __________ on the shelf and her __________ in the drawer. After organizing, the room looks __________ and Sophia feels __________.46.He _______ a bike to school every day.47.Which one is a fruit?A. PearB. CarrotC. PotatoD. Lettuce48.It is winter now, and the weather is very cold. Every morning, I wear a warm coat, a scarf, and gloves. I also put on a hat to keep my head warm. When I go outside, I see people walking in the snow and children building snowmen. I like winter because I can go ice skating and play with snowballs. In the evening, I enjoy drinking hot chocolate by the fire. Winter is cold but fun.49.My family _______ (take) a trip to the mountains last winter. We _______ (stay) ina small cabin near the forest. Every day, we _______ (hike) through the snow and_______ (enjoy) the beautiful views. At night, we _______ (sit) by the fire and _______ (tell) stories. It _______ (be) a peaceful and fun vacation.50.Which one is a color?A. RedB. CarC. PlateD. Spoon(答案及解释)。
小学五年级下册C卷英语第三单元期中试卷(答案和解释)
小学五年级下册英语第三单元期中试卷(答案和解释)英语试题一、综合题(本题有50小题，每小题2分，共100分.每小题不选、错误，均不给分)1.Which animal is known for its ability to jump?A. ElephantB. FrogC. CatD. Dog2.My parents _______ (is / are / am) teachers.3.Which of these is an animal?A. ChairB. DogC. BookD. Car4.Which of these is a type of weather?A. SummerB. RainC. FoodD. Dance5.What do you drink when you are thirsty?A. BreadB. MilkC. WaterD. Cake6.She _______ (does / do / did) not like bananas.7.He ______ to school every day.A. goB. goingC. goesD. gone8.I _______ (eat) lunch at 12:30 every day.9.It __________ (snow) heavily when we __________ (arrive) at the mountain last winter. We __________ (decide) to wait inside the cabin until the storm __________ (stop). While we __________ (wait), we __________ (drink) hot chocolate and__________ (watch) the snow falling outside. After a while, the snow __________ (stop), and we __________ (go) skiing. It __________ (be) an amazing day!10.Which of these is a transportation vehicle?A. AirplaneB. ChairC. BookD. Ball11.What do we use to clean our body?A. TowelB. ShampooC. SoapD. Spoon12.I love going to the beach during the summer. The weather is always warm, and I can swim in the sea. I also enjoy building sandcastles with my little brother. We collect seashells along the shore, and sometimes, we see crabs. After playing, we have a picnic under a big umbrella. I love the sound of the waves and the feeling of the sand between my toes.13.Which of the following is an animal?A. CarB. AirplaneC. DogD. Table14.Which of the following animals is known for being very slow?A. CheetahB. RabbitC. SlothD. Lion15.Which sentence is correct?A. There are three childs in the room.B. There are three children in the room.C. There is three children in the room.D. There is three childs in the room.16.We _______ (not / doesn’t / don’t) understand the question.17.We _______ (play) tennis on Saturdays.18.I _______ my keys in my bag now.19.Which of these is a type of fish?A. TroutB. ElephantC. LionD. Cat20.This afternoon, I have a math test. I need to solve problems like adding, subtracting, multiplying, and dividing ______. I feel a little nervous, but I know I can do well because I studied ______ and practiced a lot. My teacher will give us a ______ when we finish the test, and I hope I get a ______ score!21.We _______ (is / are / am) going to visit the museum tomorrow.22.Which of these is a type of transport?A. AirplaneB. SpoonC. ChairD. Table23.Which of these is the smallest?A. ElephantB. MouseC. DogD. Giraffe24.Which of these animals has a shell?A. DogB. TurtleC. BirdD. Elephant25.I ______ (study) English every day. Yesterday, I ______ (study) for my English test, and I ______ (feel) confident. After the test, I ______ (celebrate) with my friends.26.I _______ (meet) my teacher this afternoon.27.Which of these is a farm animal?A. CowB. TigerC. ElephantD. Dolphin28.Which of these is a drink?A. MilkB. BreadC. PlateD. Knife29.They _______ (is / are / am) going to the cinema tomorrow.30.They _______ (visit) the zoo this afternoon.31.Which one is a type of animal?A. DolphinB. TableC. ChairD. Plate32.They _______ (not understand) the lesson.33.I _______ (not/see) my friend Lucy at school yesterday. She _______ (be) absent because she _______ (feel) sick. I hope she _______ (get) better soon, and we _______ (play) together next week.34.What is the first month of the year?A. JanuaryB. MarchC. JuneD. December35.What is the color of grass?A. GreenB. YellowC. RedD. Blue36.It __________ (be) a beautiful day today. The sun __________ (shine) brightly, and the sky __________ (be) clear. I __________ (decide) to ride my bike to the park. When I __________ (arrive), I __________ (meet) some friends, and we __________ (play) soccer together.37.What do we use to write on paper?A. SpoonB. PenC. PlateD. Fork38.Which one is a color?A. tableB. greenC. chairD. window39.Every summer, my family ______ (go) on vacation to the beach. We ______ (stay) in a hotel near the ocean. We ______ (swim) in the sea and ______ (build) sandcastles. Last summer, we ______ (visit) a new beach, and we ______ (have) a lot of fun.40.What is the opposite of "hot"?A. ColdB. LightC. TallD. Small41.Which of these is used for reading?A. BookB. SpoonC. PlateD. Knifest summer, we __________ (1) on vacation to the mountains. The weather__________ (2) very cool and nice. We __________ (3) hiking in the morning and__________ (4) a picnic by the lake. I __________ (5) to go again this summer.43.They _______ (not) like to play football.44.I __________ (wake) up at 7:00 every morning. Then, I __________ (brush) my teeth and __________ (eat) breakfast. I __________ (usually) have cereal and milk. After that, I __________ (go) to school.45.I have a pet cat named Bella. She is very cute and loves to sleep all day. Sometimes, she plays with a toy mouse, but most of the time, she is resting. I take care of her by feeding her and cleaning her litter box.46.We _______ (finish) our homework before 5 p.m.47.I _______ (study) English every morning.48.I __________ (1) to the park every afternoon. I __________ (2) to meet my friends there, and we __________ (3) games together. We __________ (4) soccer, basketball, and sometimes we __________ (5) to ride our bikes.49.I always do my homework in the ______. It is a quiet place where I can concentrate.I need a ______, a notebook, and a ______ to finish my work. Sometimes, I ask my brother or sister to help me if I don’t understand something.50.Which of these is used to eat soup?A. KnifeB. SpoonC. ForkD. Plate(答案及解释)。
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C D E
A B C D E
．在木制品钢丝锯透孔加工过程中，常用的操作技能包括画线、
、
、戳刺花梗基等五个步骤。
6．下图是手工缝纫的基本针法，请写出这几种针法的名称。
A 是 针法，
B 是 针法，
C 是 针法。
7．在金属丝加工中，常用的下料方法有手工锯 和斜口钳 ，
常用的成型方法有 、 。
8．右图为三孔插座，其中N 表示零线孔， L 表示 ______线孔，E 表示_______线孔。
9.在电路中，能够对电流形成阻力的元器件主要是 ，
具有充放电作用的元器件是 ,起电流放大或开
关作用的元器件是 。
二、选择题：（每题1.5分，共9分）
1．右图是绳结符号图，图中单线表示 。
A ．已经完成的部分 B.现在要完成的部分
C ．连接的细线
2.当在高楼遇到危险需要下到地面时，我们可以用绳索打成_________结，并牢
固地固定绳头，增加救护和被救的成功率。
A.行李结和救护结
B.领带结和系桩结
C.系桩结和救护结
D.领带结和行李结
3.遇到有人触电，赶快要做的第一件事是________。
A.拨打120急救电话
B.使触电者脱离电源
C.对触电者进行口对口人工呼吸
D.对触电者进行胸外心脏挤压
A B
C
E
N
L
4．在金属丝工艺制作中，下列不属于金属丝链接方式的是。
A.钉链接
B.焊接
C.胶接
D.绞合
5.右图所示组合结造型中，中间的中国结是结。
A．盘长结 B．如意结 C．云雀结 D．团圆结
6.用多用电表对晶体二极管进行测量，如果所测量的晶体二极管的正、反向电阻都趋向于无穷大，则表明该晶体二极管________。
A.正常
B.已被击穿
C.内部断路
D.无法确定
三、简答题：（共计11分）
1．“多用电表”简称万用表，是电工技术和电子技术应用中必不可少的工具。
“多用电表最”基本的功能是什么？现在使用较多的“多用电表”，除机械指针式外，还有什么类型？使用“机械指针式多用电表”时应该注意哪些事项？（写出三点注意事项）
（1）（2分）（2）（1分）（3）
（4分）2．在电工技术操作中，如果给你两根单芯硬导线，你准备怎样将两根单芯硬导线用绞连的方式连接起来？（假设线头已经剥去绝缘层）
（4分）
四、操作题：（50分）
绕线板是手工缝纫用具，也是一种民间用品。
请用考场提供的三合板、机械木工组合机床（或手工钢丝锯、手工锯），加工制作一个“绕线板”（附图）。
操作步骤及要求如下：
1．用复写纸将试卷上的“绕线板”图样复印在三合板上；（10分）
2．用锯床(或手工钢丝锯、手工锯)沿“绕线板”的外轮廓锯出外形；（20分）3．用磨床（或木锉刀、砂纸）将锯下的毛坯打磨光滑。
（20分）。