高2021届成都二诊 英语试题(含答案)
成都市2018级高中毕业班第二次诊断性检测
英、五1口
本试卷分选择题和非选择题两部分。第I卷(选择题)1至8页,第1I卷(非选择题)9至10页,共10页,满分150分,考试时间120分钟。注意事项:1. 答题前,务必将自己的姓名、考籍号填写在答题卡规定的位置上。2. 答选择题时,必须使用2B铅笔将答题卡上对应题目的答案标号涂黑,如需改动,用橡皮擦擦干净后,再选涂其它答案标号。3. 答非选择题时,必须使用0.5毫米黑色笔迹的签字笔,将答案书写在答题卡规定的位置上。4. 所有题目必须在答题卡上作答,在试题卷上答题无效。5. 考试结束后,只将答题卡交回。第I卷(100分)第一部分听力(共两节,满分30分)做题时,先将答案标在试卷上。录音内容结束后,你将有两分钟的时间将试卷上的答案转涂到答题卡上。第一节(共5小题;每小题1.5分,满分7.5分)听下面5段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。1.What will the man do probably?A.Prepare a presentation. B. Camp outdoors.2.When did the woman start to read the book?A. At 5:30 PM. B. At 8顷OPM.3.Where are most probably the two speakers?A. At home. B. In the dormitory.4.What's the possible relationship between the speakers?A.Classmates.B.Teacher and student.5.How does the woman usually go to work?A.On foot.B.By subway.第二节(共15小题;每小题1.5分,满分22.5分)C.Watch a movie.
C. At 8: 35 PM.
C.In a store.
C.Family members.
C.By car.
听下面5段对话或独自。每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟。听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听第6段材料,回答第6至7题。英语“二诊“考试题第1页(共10页)6.What position will Mr. Smith possibly be promoted to?A.News reporter.B. Advertising agent. 7.What does the man think of Mr. Smith?A.He is familiar with different positions.B.He isn't qualified for the new position.C.He has a good relationship with colleagues.听第7段材料,回答第8至9题。8.How much should the man pay for the commitment?A.$ 400.B.$ 2400.9.When does the man plan to visit the apartment?A.That morning. B.That afternoon.听第8段材料,回答第10至12题。10. What do we know about Tom?A.He is on holiday.B.He is busy with a paper.C.He is accompanying his parents.C.Sales manager.
C.$ 2800.
C.The next morning.
11. What makes it hard for the woman to go to the man's house?A.Heavy traffic.B. Poor driving skill.C Unf T .叩tartransportation. 12. What will the woman most probably take to the man's house?A.Main dishes. B. A side dish.C.Soft drinks.听第9段材料,回答第13至16题。13. What does the man think of the movie?A. Absurd. B. Fantastic.14. Which role does the woman like most?A.The captain.B.The ship's doctor.15. What do the two speakers agree on?A.The officer is strange. B. The plot is wonderful. 16. What type of movie are the speakers talking about?A. A crime film.B. A comedy film. 听第10段材料,回答第17至20题。C.Realistic.
C.The officer.
C.The photography is fake.
C. A science fiction film.
17. What activity will be held at the first week of the football season?A. A picnic. B. A dinner. C. A special presentation. 18. What will stay the same for the junior competition?A.The number of teams. B. The place for matches. C. The color players wear.19. When will the games for senior competition be held?A.On Wednesday afternoons. B. On Saturday afternoons. C.On Sunday afternoons.20. What's the purpose of the talk?A.To introduce an arrangement.B.To advertise a football season.C.To reach an agreement with parents.英语“二诊“考试题
第2页(共10页)英语“二诊”考试参考答案 第1 页(共2页)参考答案
第一部分 听力(满分30分)1~5AACAB 6~10CBBCB 11~15CBABA 16~20CACBA评分标准:1-20小题,每小题1.5分.第二部分 阅读理解(满分40分)第一节(满分30分)21~25CABAC26~30BDDBD31~35BDCCA评分标准:21-35小题,每小题2分.第二节(满分10分) 36~40AFECB评分标准:36-40小题,每小题2分.第三部分 语言知识应用(满分45分)第一节 完形填空(满分30分)41~45BDCBD46~50BCADC51~55ACDAD56~60ABACB评分标准:41~60小题,每小题1.5分.第二节(满分15分)61.collection62.fully63.used64.tocreate65.featuring66.wereperformed67.sends68.after69.enjoyable70.the评分标准:61-70小题,每小题1.5分.有任何错误,包括用词错误、单词拼写错误(含大小写)或语法形式错误,均不给分.第四部分 写作(满分35分)第一节 短文改错(满分10分)TodayIwentoutwithmyfriendAnnforlunchatarestaurant.Itisaprettyspeciallyspecialone,whatwhichiscalled“SignsRestaurant”.Inordertomaketheanorderforfood,youhavetouse
signlanguage.Allthewaitersandwaitressesarewithouthearing.Thewaitresswhoserveduswasamazedamazing.Shetaughtweusabunchofsignswhilewehad\waitedforourfood.Shewas
patientforwithmeasItried.Myfriendsfriendhelpedmeoutalittle,eithertoo.ThewaitresssaidIdid英语“二诊”考试参考答案 第2 页(共2页)agoodjob.Ifeelinspirednow∧totakeanASLcourseandwilldosonextyear.Iwilldo
somelearningonlinebeforethecoursestarts.Ijustcan’twait.评分标准:有任何错误,包括用词错误、单词拼写错误(含大小写)或语法形式错误,均不给分.第二节 书面表达(满分25分)一、各档次语言要点配分参考标准档 次要点数要点分语言要点表达情况划档依据第五档521~25语言基本无误,行文连贯,表达清楚第四档416~20语言有少量错误,行文基本连贯,表达基本清楚第三档311~15语言有一些错误,尚能表达第二档26~10语言错误很多,影响表达第一档10~5只能写出与要求内容有关的一些单词二、内容要点认定及计分参考标准1.恰当的开头(阐述清楚、表达正确,计2分);2.写信的目的(阐述清楚、表达正确,计3分);3.你做家务的情况(阐述清楚、表达正确,计9分);4.你对高三学生做家务的看法(阐述清楚、表达正确,计8分);5.恰当的结尾(阐述清楚、表达正确,计3分).三、扣分参考依据1.其表达未能达成正确句意的,不给分,如:写出了主语或谓语等关键词,但未能达成符合要点要求、意义正确的句子;2.句子结构完整、但关键点出现错误或漏掉部分关键词,扣半个要点分,如:主谓一致错误,或关键词拼写错误(如主语,关键性名词等),或谓语动词时态/语态错误等;3.凡使用铅笔答题、或答题中使用了涂改液或不干胶条,一律不给分;4.凡多次出现非关键性单词拼写错误或其它同类错误,原则上每4处扣1分;5.文章内容要点全面,但写出了一些多余内容(连接或过渡词句不在此列),原则上不扣分;6.凡书写超出规定的答题区域,全卷不给分;7.书写潦草凌乱、但基本不影响阅卷的,酌情扣卷面分1~2分.四、Onepossibleversion(略)
高2021届绵阳二诊 生物试题(含答案)
1 高2021届绵阳二诊
生物试题
选择题
2 非选择题
3
4
5 参考答案
选择题 (36分)
1---6 C B D C A D
非选择题 (54分)
29.(8分)
(1)细胞代谢(2分) (2)细胞分化(1分) 信息交流(1分)
(3)生命活动的主要承担者都是蛋白质;遗传信息的携带者都是DNA(核酸);都以ATP作为直接能源物质;膜的主要组成成分都是磷脂和蛋白质;都能通过葡萄糖的氧化分解获得能量;都共用一套密码子翻译;都通过转录和翻译过程表达遗传信息等(2+2分)
30.(10分)
(1)各种化学物质的含量和理化性质(2分)
(2)Na+ (2分) 主动运输(2分) (3)不认同 (1分)
血浆中存在缓冲物质,可以将吸收的酸性物质中和,血浆pH不会发生明显改变;如果为软化血管而过量摄入酸性物质导致血浆PH发生明显改变反而会危及健康(3分)
31.(9分)
(1)促甲状腺激素释放激素(2分) 下丘脑(2分)
(2)促进(1分) 抑制(1分)
(3)给该病人注射适量的TSH,其血液中的TRH含量将下降到正常值,甲状腺激素含量将升高到正常值(1+1+1=3分)
32.(12分)
(1)反转录(2分) (2)①1/2 (2分)
②两条非同源染色体上 (2分) ③分别位于Z、W染色体上 (2分)
F1个体随机交配,统计F2中的普通型家蚕的性别。如果F2中普通型家蚕中雌雄均有,则基因的位置为a;如F2中普通型家蚕中只有雄性,则基因的位置为b。(1+1+1+1=4分)
或(F1个体随机交配,统计F2中耐热型家蚕的性别比例,如果F2中耐热型家蚕中雌:雄=1:1,则基因的位置为a;如F2中耐热型家蚕中雌:雄=2:1,则基因的位置为b。)
四川省成都市高新区2020-2022年中考二诊英语试题分类汇编:完成对话(含答案)
四川省成都市高新区
2020-2022年中考二诊英语试题分类汇编
完成对话
四川省成都市高新区2022年九年级二诊英语
二、完成对话。在空格中填上适当的单词,使对话完整正确。一空一词(含缩写词)。(共10小题;每小题1分,计10分)
L: Lin HuiE: Eric
L: Hi, Eric. Did you watch the Winter Olympics?
E: Of course. It’s, without ____51____, the hottest topic during the winter vacation. I watched the
opening ceremony with my family. It was fantastic.
L: Yeah, I really admire the director Zhang Yimou, who was also in charge of (负责) the opening
ceremony of the 2008 Summer Olympics. He and his team always have endless ____52____ ideas.
E: You mean they come up with something new and special? I find the 24-second countdown is
different. My parents and I did wonder why there were numbers and poems.
L: They use 24 solar terms (节气) to count down. The last picture is the beginning of spring. It
____53____ to be the date of the ceremony.
成都七中高2018届二诊模拟英语试题
- 1 - 绝密★启用前 成都七中高2018届二诊模拟 英语试卷 考试时间:120分钟 满分:150分 注意事项: 1. 本试卷由四个部分组成。其中,第一、二部分和第三部分的第一节为选择题。第三部分的第二节和第四部分为非选择题。 2. 答卷前,考生务必将自己的姓名、准考证号填写在答题卡上。 3. 回答选择题时,选出每小题答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑;回答非选择题时,将答案写在答题卡上,写在本试卷上无效。 4. 考试结束后,将本试卷和答题卡一并交回。 第一部分 听力(共两节,满分30分) 做题时,先将答案标在试卷上。录音内容结束后,你将有两分钟的时间将试卷上的答案转涂到答题卡上。 第一节 (共5小题;每小题l.5分,满分7.5分) 听下面5段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 1. What does the man suggest the woman do? A. Quit her job. B. Find another restaurant to work in. C. Work three nights a week. 2. What are the speakers doing? A. Cooking. B. Having a meal at home. C. Eating in a restaurant. 3. What car does the man have? A. An Audi. B. A Ford. C. A Ferrari. 4. Who will begin the lecture now? A. Dr. White. B. Prof. Brookings. C. Dr. Mildens. 5. What are the speakers discussing? A. Animal fur. B. Some coats. C. A free diamond. 第二节 (共15小题; 每小题1.5分,满分22.5分) 听下面5段对话。每段对话后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听每段对话前,你将有时间阅读各个小题,每小题5秒钟; 听完后,各小题给出5秒钟的作答时间。每段对话读两遍。 听第6段材料,回答第6,7题。 - 2 - 6. What’s wrong with the sweater the woman bought? A. It’s too small. B. It’s not the right style. C. It’s the wrong color. 7. How does the woman probably feel about the man’ response? A. Satisfied. B. Surprised. C. Disappointed. 听第7段材料,回答第8至10题。 8. What is the relationship between the speakers? A. Gardener and client. B. Old friends. C. Doctor and patient. 9. Why is the man doing the gardening for the woman? A. She dislikes working in the garden. B. She is not feeling very well. C. She hired the man to work for her. 10. What will the woman do next? A. Have some coffee with the man. B. Make a chocolate cake for the man. C. Give the man some money. 听第8段材料,回答第11至13题。 11. What did the man plan to do next Saturday? A. Play sports. B. Have a party with his friends. C. See the house with the woman. 12. What does the woman think of the man at first? A. He is lazy. B. He is selfish. C. He is a workaholic. 13. What does the man find surprising? A. The woman wants to move early in the morning. B. The woman wants to borrow his car. C. The woman wants to work on Saturday. 听第9段材料, 回答第14至16题。 14. What will the woman be for Halloween this year? A. A rabbit. B. A zombie bride. C. A bunch of grapes. 15. Why did the woman’s mother always make the costumes? A. They were original. B. To save money. C. Her children asked her to do so. 16. What does Halloween mean to the man? A. Good memories. B. Making new friends. C. Playing with his kids. 听第10段材料,回答第17至20题。 17. What do we know about the speaker? A. He will be turning 27. B. He has been studying photography. C. He has lived in London for many years. 18. Where is the Rasa Restaurant located? A. On Stoke Newington High Street. B. On Brick Lane. C. On Church Street. - 3 - 19. Which bus should people take to get to Larry’s bar? A. Bus 253 from the west. B. Bus 112 heading north. C. Bus 341 heading south. 20. Why can the speaker get special treat at the bar? A. The owner is his friend. B. He has a VIP card. C. He works part-time there. 第二部分 阅读理解(共两节,满分40分) 第一节 (共15小题;每小题2分,满分30分) 阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中选出最佳选项,并在答题卡上将该项涂黑。 A Haunted Ghost Tours Hearse Ghost Tours Cruise over Savannah’s cemeteries and through the beautiful streets of the Historic and Victorian districts in real hearses(灵车), which carry the coffin from church to cemeteries and were in service for over a decade with actual funeral parlors. Daily, 7:30pm-9pm | $10-$17 Ghosts & Folklore Tour Explore the haunts of Savannah on foot with this candlelit tour where you’ll find out about the city’s most notorious ghosts and haunted tales. Daily, 7pm-9pm | $15-$25 Savannah Ghost Tours Begin your exploration at the historically haunted Sorrel-Weed House, where you’ll find out about mysterious deaths that haunt the mansion to this day. Featured on SyFy and Travel Channel! Daily, 7:30pm-8:30pm | $28-$38 Ghosts & Gravestones Tour Climb aboard the Trolley of the Doomed for a chilling experience on this Savannah haunted tour, complete with stops at some of Savannah’s most haunted homes and cemeteries. Daily, 7pm-10:45pm | $11.68-$30.50 21. If you take a hearse ghost tour, __________________. A. you can walk through the cemeteries B. the hearse you take are still used today C. you can start your tour at 8:30 pm D. you may travel in the car shaped like a hearse. 22. How much do you pay, if you want to take a Savannah Ghost Tour with your wife? A. $28. B. $38. C. $30. D. $56. 23. What does this passage probably come from? A. A textbook. B. A travel guide. C. A news report. D. A notice. B Many of you may want to study abroad after graduating from high school because we tend to think overseas universities are better than domestic (国内的) ones. But at the same time, more and more international students are coming to study in China. A record-breaking 397,635
2021年四川成都锦江区九年级适应性专项监测二诊英语试题
2021年四川省成都市锦江区九年级适应性专项监测(二诊)
英语试题
学校:姓名:班级:考号:
一、单选题
1. We need some color pencils tomorrow's art class,
A, on B. for C. with
2. — Hey, Tom. Is that your English book on the table?
—No,is on the sofa
A. mine B・ yours C. liis
3. Youll fbiget the diawing skills easily you practice them often.
A. if B. when C. unless
4. I want to keep my old thmgs because they bring back sweet.
A, explanations B. memories C. changes
5. In America, most families have gaidens. Ifs for teenagers to do a family's
vaidwork.
J
A, normal B. difficult C. amazing
6. Helen, lefs go to the new cinema tonight. You can sit there in tills city.
A. comfortably B. more comfortably C . the most comfortably
7. During the fight against the COVID-19, some farmers from Sichuan tons of
vegetables to Wuhan.
A, gave away B. gave out C. gave up
四川省成都市2021届(2018级)高中毕业班第二次诊断性检测英语试题精校版(含答案)
1 四川省成都市2018级高中毕业班第二次诊断性检测 英语
本试卷分选择题和非选择题两部分。第I卷(选择题)1至8页,第II卷(非选择题)9至10页,共10页,满分150分,考试时间120分钟。 注意事项: 1.答题前,务必将自己的姓名、考籍号填写在答题卡规定的位置上。 2.答选择题时,必须使用2B铅笔将答题卡上对应题目的答案标号涂黑,如需改动,用橡 皮擦擦干净后,再选涂其它答案标号。 3.答非选择题时,必须使用0.5毫米黑色笔迹的签字笔,将答案书写在答题卡规定的位置上。 4.所有题目必须在答题卡上作答,在试题卷上答题无效。 5.考试结束后,只将答题卡交回。 第I卷 (100分) 第一部分 听力(共两节,满分30分) 做题时,先将答案标在试卷上。录音内容结束后,你将有两分钟的时间将试卷上的答案转 涂到答题卡上。 第一节(共5小题;每小题1.5分,满分7.5分) 听下面5段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 1. What will the man do probably? A. Prepare a presentation. B.Camp outdoors. C. Watch a movie. 2. When did the woman start to read the book? A. At6:30PM. B.At 8:30PM C. At 8:35 PM. 3. Where are most probably the two speakers? A. At home. B.In the dormitory. C. In a store. 4. What's the possible relationship between the speakers? A. Classmates. B. Teacher and student. C. Family members. 5. How does the woman usually go to work? A. On foot. B. By subway. C. By car. 2 第二节(共15小题;每小题1.5分,满分22.5分) 听下面5段对话或独白。每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟。听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 听第6段材料,回答第6至7题。 6. What position will Mr.Smith possibly be promoted to? A. News reporter. B. Advertising agent. C. Sales manager. 7. What does the man think of Mr. Smith? A. He is familiar with different positions. B. He isn't qualified for the new position. C. He has a good relationship with colleagues. 听第7段材料,回答第8至9题。 8. How much should the man pay for the commitment? A. $400. B.$2400. C. $2800. 9. When does the man plan to visit the apartment? A. That morning. B. That afternoon C. The next morning. 听第8段材料,回答第10至12题。 10. What do we know about Tom? A. He is on holiday. B. He is busy with a paper. C. He is accompanying his parents. 11. What makes it hard for the woman to go to the man's house? A. Heavy traffic. B. Poor driving skill. C. Unfamiliar transportation 12. What will the woman most probably take to the man's house? A. Main dishes. B. A side dish. C. Soft drinks. 听第9段材料,回答第13至16题。 13. What does the man think of the movie? A. Absurd B. Fantastic C.Realistic. 14. Which role does the woman like most? A. The captain. B. The ship's doctor. C. The officer. 15. What do the two speakers agree on? 3 A. The officer is strange. B.The plot is wonderful C. The photography is fake. 16. What type of movie are the speakers talking about? A. A crime film. B. A comedy film. C. A science fiction film. 听第10段材料,回答第17至20题。 17. What activity will be held at the first week of the football season? A. A picnic. B. A dinner. C. A special presentation. 18. What will stay the same for the junior competition? A. The number of teams. B.The place for maths. C.The color players wear. 19. When will the games for senior competition be held? A. On Wednesday afternoons. B. On Saturday afternoons. C.On Sunday afternoons. 20. What's the purpose of the talk? A.To introduce an arrangement. B. To advertise a football season. C. To reach an agreement with parents. 第二部分 阅读理解(共两节,满分40分) 第一节(共15小题;每小题2分,满分30分)阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。 A Training for Saving First Aid at Work 3 days £279 Suitable for people aged 16+ who might need to provide first aid by responding to a wide range of accidents, injuries and illnesses that they could encounter in their workplace. Ideal for organizations whose needs assessment has identified a requirement for additional first aid training, especially, having employees with a disability or a medical condition. Lunch break. Classroom setting. Certificate to issue. AED with Life Support 2 days £107 Right choice for people, over 16, who want to learn how to use an automated external defibrillator (AED). First aid for unresponsive adults in addition. Currently available at our London, Edinburgh and Reading venues; however, you can organize a training session for a 4 group of up to 15 people at your workplace by requesting a group booking. Certificate valid for three years. First Aid for Teachers Training 1 day £50 Specially designed for those working in a school environment and wishing to have the first aid skills to act in an emergency. Ideal for teachers and other school staff over 16. First aid skills to help a child who is unresponsive and breathing or not breathing, choking, having an allergic reaction or a head injury. Not qualify the learner to act as a first aider. Fire Marshal Training 4 days £364 Take this if you are over 16 and responsible for fire safety or appointed fire marshals in the workplace. Come to understand how a fire starts and spreads; how to assess and manage these risks; and how to use firefighting equipment. You must be physically able to carry out the practical elements of the course. Role play. Classroom environment. Certificate. 21. What can be learnt in the course AED with Life Support? A. Steps to deal with massive injuries. B. Process of preventing a terrible fire. C. Operation of certain medical equipment. D. Treatment for an adult's mental problems. 22. Which course costs the most per day? A. First Aid at Work. B. AED with Life Support. C. First Aid for Teachers Training. D. Fire Marshal Training. 23. What do the four courses have in common? A. Providing certificates for trainees. B. Having the same requirement for age. C.Offering discount for group booking. D. Taking more than one day to complete. B North Americans value independence, and Europeans value togetherness. I never fully understood that stereotype until two months ago, when I left Canada for a 4-month period in a lab in France. On my first day, Pierre, a Ph.D. student, tapped me on my shoulder and asked:
2020-2021学年成都市第二十中学高三英语第二次联考试题及参考答案
2020-2021学年成都市第二十中学高三英语第二次联考试题及参考答案
第一部分 阅读(共两节,满分40分)
第一节(共15小题;每小题2分,满分30分)
阅读下列短文,从每题所给的A、B、C、D四个选项中选出最佳选项
A
What to Eat—and What to Skip—When It Comes to Takeout Food
If the burden on your wallet doesn't bother you much, the effect your takeout habit can have on your
waistline just might arouse your attention. Here's the best and worst of the lot for your belly.
Steamed Vegetable Dumplings: Order This.
When she orders Chinese, registered dietitian nutritionist Elisa Zied gets an order of steamed vegetable
dumplings. "I often pair them with either chicken and broccoli in brown sauce(I ask for a little saucemade without
sugar)or steamed shrimp dumplings," she tells us.
Crab Wontons: Not That!
When you deconstruct crab wontons, it's easy to see why they're a "Not That!" The inside is filled with
crabmeat and cream cheese(which is just a fancy, spreadable fat).The wonton is made of refined flour, egg and
高2021届绵阳二诊 化学试题(含答案)
1 高2021届绵阳二诊
化学试题
选择题
2
3
4
5
6 参考答案
选择题: 7. D 8. B 9. D 10. B 11. C 12. A 13. C
非选择题
(一)必考题
26.(14分)
(1)球形冷凝管(1分)
(2)水(1分) 乙醇会被KMnO4氧化,并且生成的乙酸最后导致己二酸不纯(2分)
(3)3HSO-3+2MnO-4+OH-==3SO2-4 +2MnO2↓+2H2O(2分)
(4)避免降温时乙二酸钾结晶析出(2分) MnO2(1分)
作催化剂,作氧化剂,实验室制取氯气的原料等(1分)
(5)97.3%(2分) C(2分)
27.(14分)
(1)Bi2S3+6Fe3+==2Bi3++6Fe2++3S(2分)
(2)防止Bi3+水解(1分) SiO2(1分)
(3)Bi3+(1分) 盐酸(1分) 取洗涤液于试管中,滴加AgNO3溶液,如溶液不变浑浊,表明铋粉已洗净(或检验洗涤液中是否存在Fe2+,加入的试剂可以是用氯水和KSCN溶液检验,或铁氰化钾溶液)(2分)
(4)消耗的硝酸多,成本高,且产生有毒的NO2气体(2分)
(5)提高电极的导电性(1分) Li-e-==Li+ (1分)
2Bi+3Li2S-6e-==Bi2S3+6Li+(2分)
28.(15分)
(1)NaHS(2分) (2)+20.6(2分)
(3)Ⅱ(1分) BC(2分)
(4)① >(2分) S2(2分) ② 40%(2分) 7.4 kPa(2分)
(二)选考题
35. [化学—选修3:物质结构与性质](15分)
(1)[Ar]3d104s2或1s22s22p63s23p63d104s2(1分) 10(1分)
(2)>(1分) NaH、KH均为离子晶体,阳离子半径Na+<K+,晶格能NaH>KH(2分)
四川省成都市2020-2022届(三年)高三二诊英语试题汇编:短文改错
1
四川省成都市
2020-2022届(三年)高三二诊英语试题分类汇编
短文改错
四川省成都市2022届高三二诊英语试卷
第一节 短文改错(共10小题;每小题1分,满分10分)
假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加:在缺词处加一个漏字符号(), 并在其下面写出该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线,并在该词下面写出修改后的词。
注意:1. 每处错误及修改均仅限一词。
2. 只允许修改10处,多者(从第11处起)不计分。
On previous birthdays, my family would give me gifts but invite me to eat outside. I thought there would be no
different this year. I went home after school as usual. But when I stepped into the house, I was heard “Surprise!
Happy Birthday!” All of my family and friends were there. My mom brought a birthday cake making by herself. I
wouldn't forget that moments. I was extremely happily and almost cried. My father promised to take care the street
cat I had mentioned. It is the best birthday gift we have ever had. My father's birthday was coming. I'm planning to
高2021届成都“一诊”生物试题(word版含答案)
1 高2021届成都“一诊”
生物试题
一、选择题:本题共13个小题,每小题6分。
1.成人的身体大约由104个细胞组成,这些细胞的共性是
A.组成元素在无机自然界中都存在
B.系统内的物质和能量可自给自足
C.能够分裂增殖不断产生新的细胞
D.能独立完成人体的各项生命活动
2.细胞中有许多囊泡在繁忙地运输“货物”。下列与囊泡有关的叙述,错误的是
A.囊泡运输的物质不都是生物大分子
B.囊泡运输“货物”时需要消耗能量
C.只有内质网和高尔基体能产生囊泡
D.可利用囊泡包裹药物送入目标细胞
3.人体感染链球菌等细菌后,机体会发生免疫反应,产生抗原一抗体复合物,并出现蛋白尿。
下列叙述正确的是
A.B细胞在抗原和淋巴因子的作用下可以直接分泌抗体
B.患者的抗原一抗体复合物都在内环境中被溶菌酶水解
C.记忆T细胞可识别并密切接触链球菌导致其裂解死亡
D.患者出现蛋白尿会导致血浆和组织液的渗透压都降低
4.真核细胞内含有三种RNA聚合酶,RNA聚合酶I负责转录产生rRNA,RNA聚合酶II负
责转录产生mRNA,RNA聚合酶III可负责转录产生tRNA.这三种RNA聚合酶
A.都能催化脱氧核苷酸聚合形成长链
B.都能促进RNA中氢键的生成与断裂
C.发挥催化作用的场所都在细胞质中
D.活性发生改变都会影响染色体的复制
5.培育和改良自然界中野生香蕉的部分过程如图所示(图中 2
A.过程①和③可能由于低温使染色体数目加倍
B.过程②说明小果野蕉和野蕉属于同一个物种
C.长梗蕉个体内部分细胞可能含有44条染色体
D.FHIA-02蕉与野蕉杂交可以培育出三倍体香蕉
6. 某哺乳动物体内(染色体数2N=6),一个正在分裂的细胞中染色体及其携带的基因如图所
示。下列叙述正确的是
A.该细胞含有同源染色体说明其正在进行有丝分裂
B.该哺乳动物正常体细胞的基因型一定是AaBBDD
C.该细胞中同时发生了染色体结构变异和数目变异
四川省成都市锦江区2021年九年级下学期适应性专项监测英语试卷(区二诊)(文字版含答案)
锦江区2021年九年级下学期第二次诊断性测试题
注意事项:
1. 全卷分A卷和B卷, A卷满分100分, B卷满分50分;考试时间120分钟。
2. 作答前, 考生务必将自己的姓名、考号涂写在答题卡上。
3. 选择题部分请在答题卡使用2B铅笔填涂;非选择题部分请在答题卡使用0. 5毫米黑色的签字 笔书写, 字体工整、笔迹清楚。
4. 请按照题号在答题卡上各题目对应的答题区域内作答, 超出答题区域书写的答案无效;在草稿 纸、试卷上答题无效。
5. 保持答题卡面(机读卡加答题卷)清洁, 不得折叠、污染、破损等。
A卷(共100分)
第一部分 听力测试(共30小题, 计30分)
一、听句子, 根据所听到的内容选择正确答案。每小题念两遍。(共5小题, 每小题1分;计5 分)
1. A. It's 119. B. It's 0281-9176. C. Is this your number?
2. A. It's my ID card. B. I found a bank card.
C. You may go to the Lost and Found case.
3. A. Happy birthday! B. Happy May Day! C. How old are you?
4. A. Great! Can you draw? B. Great! What sports can you do?
C. Welcome! You can sing very well.
5. A. He fell down. B. I should get an X-ray. C.I hurt myself playing soccer.
二、听句子,选择与所听句子内容相符的图片,并将代表图片的字母填在答题卡的相应位置。每小题念两遍。 (共 5小题,每小题1分;计 5分)
6. ___________ 7. ___________ 8. ___________ 9. _____________ 10. _____________
