限时训练题十七
九年级英语限时训练(附参考答案)

九年级英语限时训练(附参考答案)一.根据句意及首字母和汉语提示完成句子。
1.The official newspaper c_________the news of Tiangong-I,for it took a big step forward into space.2.The idiom(成语):“Meng zi’s mother makes three moves”tells of a mother who did all she could to provide the best e_________for her child.3.The young lady w _______hair is blond comes from Australia.4.Sometimes, you won’t know the true value of a moment u_______it becomes a memory.5.Good _______(发音)will impress others and make yourself confident.二.完形填空(共10小题;每小题1分,满分10分)There was a garden full of plants. In the corner of the garden, a 6 rose grew. She was the most beautiful flower there. She was as white as snow, 7 the plants around her were shocked at her beauty. But the white rose couldn’t see 8 , so she didn’t know how beautiful she was.Sometimes, she was even a little envious (羡慕的) of the sunflowers around her. She hoped that she could be as 9 as them.One sunny day, a girl went into the 10 . She walked around and was amazed at the beauty of na ture. Suddenly, she saw the white rose. “It hasn’t rained for days,” said the girl. “And the weather report says it will continue to be 11 for a few days. If the rose stays here, it will 12 soon. I’ll take it home and put it in my beautiful vase(花瓶).”The white rose was put in a lovely vase by the window. From the reflection in the window, the white rose saw herself for the 13 time. “Is that me?” she was shocked. “Till now I didn’t 14 how beautiful I looked.”Sometimes, we think other people are very great and 15 know our own advantages. This makes us feel less confident of ourselves. Look into your heart, and you’ll find how great you are.6. A. white B. red C. blue7. A. or B. but C. and8. A. herself B. himself C. yourself9. A. quiet B. lovely C. lonely10. A. park B. corner C. garden11. A. rainy B. cloudy C. sunny12. A. leave B. die C. cancel13. A. first B. second C. third14. A. improve B. realize C. suppose15. A. always B. usually C. never三.综合填空(共10小题;每小题2分,满分20分)根据短文内容,用方框中所给词语的适当形式填空,使文章通顺、完整。
限时训练17

通州区金沙中学 2021 届高三寒假数学限时训练十七1. 已知集合 A = {x |1≤x ≤2}, B = {1, 2, 3, 4},则 A B = . 2. 已知复数 z 满足 z ⋅ i = 1 + i ( i 是虚数单位),则 z =.3.袋中有 2 个红球,2 个蓝球,1 个白球,从中一次取出 2 个球,则取出的球颜色相同的概率为 . 4. 平面α截半径为 2 的球O 所得的截面圆的面积为 π ,则球心O 到平面α的距离为 .5. 如图所示的流程图,输出 y 的值为 3,则输入 x 的值为.开始输入 xYNx>0y ←2x +1y ←2x +16.一组数据 2, x , 4, 6,10 的平均值是 5,则此组数据的标准差是.输出 y7. 在平面直角坐标系 xOy 中,曲线C 的离心率为 则曲线C 的标准方程为.,且过点(1, 2) ,结束(第 5 题)8. 已知函数 f (x ) 对任意的 x ∈ R 满足 f (-x ) = f (x ) ,且当 x ≥ 0 时, f (x ) = x 2 - ax + 1 .若 f (x ) 有 4 个零点,则实数 a 的取值范围是 .9. 已知正实数 x , y 满足(x -1)( y + 1) = 16 ,则 x + y 的最小值为.10. 在直角三角形 ABC 中,C =90°,AC = 6 ,BC = 4 .若点 D 满足 AD = -2DB ,则| CD |= .11.已知函数 f (x ) = sin(ωx + ϕ) 的图象如图所示,则 f (2) = .12.在平面直角坐标系xOy 中,圆C 的方程为x 2 + y 2 - 4x = 0 .若直线 y = k (x + 1) 上存在一点P ,使过 P 所作的圆的两条切线相互垂直,则实数 k 的取值范围是.13.如图,在五面体 ABCDEF 中,四边形 ABCD 是矩形,DE ⊥平面 ABCD .(1)求证:AB ∥EF ;(2)求证:平面 BCF ⊥平面 CDEF .A(第 13 题)2 E FD14.在△ABC 中,角 A ,B ,C 所对的边分别为 a ,b ,c .若b = 4 , BA ⋅ BC = 8 .(1)求 a 2 + c 2 的值;(2)求函数 f (B ) = 3 sin B cos B + cos 2 B 的值域.理科加试15.在平面直角坐标系 xOy 中,已知定点 F (1,0),点 P 在 y 轴上运动,点 M 在 x 轴上,点 N为平面内的动点,且满足 PM ⋅ PF = 0 , PM + PN = 0 .(1)求动点 N 的轨迹C 的方程;(2)设点Q 是直线l : x = -1上任意一点,过点Q 作轨迹C 的两条切线QS , QT ,切点分别为 S , T ,设切线QS , QT 的斜率分别为 k 1 , k 2 ,直线QF 的斜率为 k 0 ,求证: k 1 + k 2 = 2k 0 .2 参考答案1. 已知集合 A = {x |1≤x ≤2}, B = {1, 2, 3, 4},则 A B = ▲ .【答案】{1, 2}2. 已知复数 z 满足 z ⋅ i = 1 + i ( i 是虚数单位),则 z = ▲.【答案】1 - i3. 袋中有 2 个红球,2 个蓝球,1 个白球,从中一次取出 2 个球,则取出的球颜色相同的概率为 ▲ . 【答案】 154. 平面α截半径为 2 的球O 所得的截面圆的面积为 π ,则球心O 到平面α的距离为 ▲ . 【答案】 5. 如图所示的流程图,输出 y 的值为 3,则输入 x 的值为 ▲ .【答案】16. 一组数据 2, x , 4, 6,10 的平均值是 5,则此组数据的标准差是 ▲ .【答案】 27. 在平面直角坐标系 xOy 中,曲线C 的离心率为 ,且过点(1, 2) ,则曲线C 的标准方程为 ▲ .【答案】 y 2 - x 2 = 18. 已知函数 f (x ) 对任意的 x ∈ R 满足 f (-x ) = f (x ) ,且当 x ≥ 0 时, f (x ) = x 2 - ax + 1 .若 f (x ) 有 4 个零点,则实数 a 的取值范围是 ▲ .【答案】(2, +∞)9. 已知正实数 x , y 满足(x -1)( y + 1) = 16 ,则 x + y 的最小值为 ▲ .【答案】810. 在直角三角形 ABC 中, C =90°, AC = 6 , BC = 4 .若点 D 满足 AD = -2DB ,则| CD |= ▲ .【答案】1011.已知函数 f (x ) = sin(ωx + ϕ) 的图象如图所示,则 f (2) = ▲ .【答案】 - 2232y1 O -11·3x(第 11 题)⎣ ⎦12.在平面直角坐标系xOy 中,圆C 的方程为x 2 + y 2 - 4x = 0 .若直线 y = k (x + 1) 上存在一点P ,使过 P 所作的圆的两条切线相互垂直,则实数 k 的取值范围是 ▲ .【答案】 ⎡-2 2, 2 2 ⎤二、解答题:本大题共 6 小题,共 90 分.请在答.题.卡.指.定.区.域.内作答. 解答时应写出文字说明、证明过程或演算步骤.13.如图,在五面体 ABCDEF 中,四边形 ABCD 是矩形,DE ⊥平面 ABCD .(1)求证:AB ∥EF ;(2)求证:平面 BCF ⊥平面 CDEF .【证】(1)因为四边形 ABCD 是矩形,所以 AB ∥CD , 因为 AB ⊄ 平面 CDEF , CD ⊂ 平面 CDEF , 所以 AB ∥平面 CDEF .……………………… 4 分因为 AB ⊂ 平面 ABFE ,平面 ABFE 平面CDEF = EF ,(第 15 题)所以 AB ∥EF .…………………………… 7 分(2)因为 DE ⊥平面 ABCD , BC ⊂ 平面 ABCD , 所以 DE ⊥BC .…………………………… 9 分因为 BC ⊥CD , CD DE = D , CD , DE ⊂ 平面 CDEF , 所以 BC ⊥平面 CDEF .…………………………… 12 分因为 B C ⊂ 平面 BCF ,平面 BCF ⊥平面 CDEF .…………………………… 14 分14.在△ABC 中,角 A ,B ,C 所对的边分别为 a ,b ,c .若b = 4 , BA ⋅ BC = 8 .(1)求 a 2 + c 2 的值;(2)求函数 f (B ) = 3 sin B cos B + cos 2 B 的值域.【解】(1)因为 BA ⋅ BC = 8 ,所以 ac cos B = 8 .…………………………… 3 分由余弦定理得b 2 = a 2 + c 2 - 2ac cos B = a 2 + c 2 - 16 , 因为b = 4 ,所以 a 2 + c 2 = 32 . …………………………… 6 分 (2)因为 a 2 + c 2 ≥ 2ac ,所以 ac ≤16 , …………………………… 8 分所以cos B = 8 ≥1 . ac 2因为 B ∈ (0, π),所以0 < B ≤ π.…………………………… 10 分3 因为 f (B ) = 3 sin B cos B + cos 2 B =3 sin 2B + 1(1 + cos 2B ) = sin(2B + π) + 1 ,…… 12 分 2 2 6 2EFD⎪ ⎩由于 π < 2B + π ≤ 5π,所以sin(2B + π) ∈ ⎡ 1 ,1⎤ ,6 6 66 ⎢⎣ 2 ⎥⎦ 所以 f (B ) 的值域为⎡1, 3 ⎤ . …………………………… 14 分⎣⎢ 2 ⎥⎦15.在平面直角坐标系 xOy 中,已知定点 F (1,0),点 P 在 y 轴上运动,点 M 在 x 轴上,点 N为平面内的动点,且满足 PM ⋅ PF = 0 , PM + PN = 0 .(1)求动点 N 的轨迹C 的方程;(2)设点Q 是直线l : x = -1上任意一点,过点Q 作轨迹C 的两条切线QS , QT ,切点分别为 S , T ,设切线QS , QT 的斜率分别为 k 1 , k 2 ,直线QF 的斜率为 k 0 ,求证: k 1 + k 2 = 2k 0 .【解】(1)设点 N (x , y ), M (a , 0) , P (0,b ) .由 PM + PN = 0 可知,点 P 是 MN 的中点,⎧ a + x = 0, ⎧a = -x , 所以 ⎪ 2 即⎪ y 所以点 M (-x , 0), P ⎛ 0, y ⎫⎪ .⎨0 + y = b , ⎨b = , ⎩ 2 ⎝ 2 ⎭ ⎩⎪ 2 所以 = ⎛ -x , - y ⎫ , = ⎛1, - y ⎫ . …………3 分PM 2 ⎪ PF 2 ⎪ ⎝ ⎭ ⎝ ⎭ y 22由 PM ⋅ PF = 0 ,可得 -x +4= 0 ,即 y = 4x .所以动点 N 的轨迹C 的方程为 y 2 = 4x .……………5 分(2)设点Q (-1, t ),由于过点Q 的直线 y - t = k (x + 1)与轨迹C : y 2 = 4x 相切,⎧⎪ y 2 = 4x 联立方程 ⎨⎪ y - t = k (x + 1) ,整理得 k 2 x 2 + 2(k 2+ kt - 2)x + (k + t )2 = 0 .…………7 分则∆ = 4 (k 2 + kt - 2 )2- 4k 2 (k + t )2= 0 ,化简得 k 2 + tk - 1 = 0 .显然, k , k 是关于 k 的方程 k 2 + tk - 1 = 0 的两个根,所以 k + k = -t .1212又 k = - t ,故 k + k = 2k .0 2 1 2 0所以命题得证.……………………………10 分⎪。
小题抓分天天练 第17天

解析
答案
饮 马(yǐn) . D.掾 吏(yuàn) 模 样(mú ) . . 侪 辈(chái) 缄 默无言(jiān) . .
小题抓分天天练 第17天
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1.下列词语中,加点的字读音全都正确 的一组是 A.远岫 (xiù ) . 垣 墙(yuán) . B.笃 信(dǔ) . 落 枕(lào) . C.拓 本(tà) . ( 木讷 (nà) . 自怨自艾 (yì ) . 悭 吝(jiān) . 人影幢 幢(chuánɡ) . 枇杷 (pá) . 不容置喙 (huì ) . )
答案
A 项纯—莼。 B 项玲—铃。 D 项经—禁。
小题抓分天天练 第17天
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4.下列各句中,标点符号使用不符合规范的一项是 ( ) A.为了探讨“《辛亥革命》在文化艺术界和普通观众及众多 网友中引发热议”的现象, 某电视栏目邀请了著名文艺评 论家仲呈祥做客节目现场。 B.莫言的作品《蛙》(曾获第八届茅盾文学奖)没有回避我们 民族在伟大的生存斗争中必然要经历的困难, 它直面现实, 发人深思。 C. 朱自清的 《背影》 由开明书店出版后, 有个读者写信说 “蝉 子夜晚是不叫的。 ”为此,朱自清专门在夜晚去听蝉声, 证实了蝉在夜晚会叫。 D.中华红丝带基金自成立以来,已在河南、云南、四川等地 实施的公益项目有“中华红丝带家园” 、 “全国艾滋患儿营 养资助计划”等。
小题抓分天天练 第17天
1 2 3 4 5 6 7 8 9
小题抓分天天练 第17天
1 2 3 4 5 6 7 8 9
1.下列词语中,加点的字读音全都正确 的一组是 A.远岫 (xiù ) . 垣 墙(yuán) . B.笃 信(dǔ) . 落 枕(lào) . C.拓 本(tà) . ( 木讷 (nà) . 自怨自艾 (yì ) . 悭 吝(jiān) . 人影幢 幢(chuánɡ) . 枇杷 (pá) . 不容置喙 (huì ) . )
江苏省新课标数学限时训练17(必修2).doc

第17练 班级 姓名
1.在△ABC 中,已知030,35,5===A c b ,则面积S 为 .
2.已知点),2,5(),2,2(-N M 且点A 在x 轴上,,90
=∠MAN 则点A 的坐标为 .
3.在等差数列{n a }中, 已知3a +4a +5a +6a +7a =450,则=9S .
4.能表示图中阴影部分的不等式组为 .
5.已知圆()2222210x y ax y a +--+-=(0<a <1),则原点O 与圆的位置关系为 .
6. 如图,矩形''''C B A O 是水平放置的一个平面图形的直观图''C O =2,则原
图形的面积为 .
7.已知2s i n (3)πθπθ+=+,则222sin 3sin cos cos θθθθ+-的值为 .
8.直线l :3x -y +m =0与圆C :x 2+y 2-2x -2=0相切,则直线l 在x 轴上的截距是 .
9.正四棱台上,下底面边长为a ,b ,侧棱长为c ,求它的高和斜高.
x ' y '
10.已知曲线22:2(410)10200C x y kx k y k ++++++=,其中1k ≠-;
(1)求证:曲线C 都是圆,并且圆心在同一条直线上;
(2)证明:曲线C 过定点;(3)若曲线C 与x 轴相切,求k 的值;。
中考英语课时训练17Units5_6九全习题人教新目标版

课时训练(十七) Units 5-6(九全)(限时:30分钟)Ⅰ.单项选择1.[2017·东营] Nowadays some made in China are both good and inexpensive, such as Xiaomi mobile phones, Haier fridges and Lenovo computers.A.toolsB.productsC.materialsD.instruments2.[2019·原创]It’s a pity that I hadn’t watched The Readers you told me last week.A.thoughB.untilC.ifD.unless3.[2018·随州]—I’m worried about tomorrow’s talent show.—Be confident! If you don’t believe in yourself, will.A.nobodyB.anybodyC.everybodyD.somebody4.[2017·重庆] There are so many fish swimming in the pool. They very happy.A.tasteB.smellC.soundD.look5.[2018·常州]—Your father has passed the driving test?—Yes. my father my mother has.A.Not only; but alsoB.Neither; norC.Either; orD.Both; and6.[2017·河南] The plane on the ground for two more hours because of the bad weather.A.ranB.movedC.shookD.remained7.[2018·襄阳]—Excuse me, sir. Are you sure the umbrella in your hand belongs to you?—Oh, sorry. I took it . Mine is over there under the chair.A.at onceB.on timeC.by mistakeD.in all8.—Why do you Yao Ming?—Because he is a great player.A.look likeB.look downC.look overD.look up to9.[2017·临沂] I met Lucy on the way home yesterday, and we had a happy chat.A.by mistakeB.by acci dentC.by turnsD.by land10.[2018·菏泽改编] It is believed that tea to Korea and Japan from China during 6th and 7th centuries.A.broughtB.was broughtC.is broughtD.has broughtⅡ.[2018·青海]阅读理解The well-known “new great inventions” o f modern China have made our daily lives more convenient.High-speed trainsChina created its first high-speed railway line in 2008. Since then, the number of passenger trips has grown by over 30 percent every year. By 2016, more than 5 billion trips had been taken on the trains. By 2020, one-fifth of the country’s 150,000-km railway network will be used by the trains. This network will link more than 80 percent of major cities across China.Mobile paymentMobile payment is turning China into a “cashless society”. Instead of paying by cash(现金), customers now pay for their goods and some kinds of bills simply by typing a short password into the Alipay or WeChat app on their mobile phones.Shared bikesChina has surprised the world with how quickly shared bikes are widely used. Nowadays, bike users can simply pick up or park the bike on the street through GPS and smartphone apps. China’s two leading bike-sharing companies, Mobike and Ofo, have been opening their overseas markets in Singapore, the UK and the United States.Online shoppingWith around 751 million Internet users, China has been the world’s largest and fastest-growing online shopping market. Because of lower costs and fewer licensing requirements(执照要求), it’s easier for sellers to open an online shop in China. In 2016, more than 20 million jobs of rural areas were created.11.What’s the passage mainly about?A.The fast-developing technology.B.Modern China.C.China’s new great inventions.D.Convenient daily lives in China.12.By 2020, of major cities across China will be linked by high-speed trains network.A.30%B.One-fifthC.80%D.20%13.Mobile payment makes shopping more convenient in China because customers .A.can go shopping without mobile phonesB.needn’t take cashC.don’t have to use a passwordD.needn’t pay for the bills14.Shared bikes can be picked up or parked .A.on the streetB.in Mobike and OfoC.in parksD.in markets15. can make online shopping develop so fast in China.A.Lower costsB.Fewer licensing requirementsC.More job chancesD.A, B & CⅢ.[2019·原创]任务型阅读阅读短文,并按要求完成16~20题。
限时训练

• 3、①面对选择,他放弃在美国工作,要求回国助 力激光器产业的发展,对他来说是一个挑战;② 他担任教授,注重学生实践操作能力,对他是一 次挑战;③他把生活中的每一件事当做挑战,就 如他平常钓鱼,他得收获便是成就;④所以,闫 大鹏一直把有挑战才有成就作为人生信条,他喜 欢收获成果的乐趣。(师昱辉) • 4、①他敢于挑战困难,回国助力激光产业的发展, 扭转国内受制外国技术封锁、价格垄断的困局; ②挑战学术,先后获四项发明专利;③挑战就得 教育模式,教导学生多动手,多操作,并培育大 量人才;④挑战自我,和年轻人打成一片,接送 女儿,享受钓鱼的乐趣。(王宁)
Байду номын сангаас溪沙
——纳兰性德
• 13、词的上片借助 “残雪”、“画屏”、 “落梅”、“横笛等意象,营造出了清冷凄 凉的意境;“冷”“已”“更”等词语,传 达出作者的孤独寂寞。 • 作用:奠定全词情感基调,为下片抒写身世 感慨做铺垫。 • 14、“断肠声里忆平生”以景结情,令人回 味无穷;“断肠”二字折射出作者饱含伤痛 的内心世界;“忆平生”则表达出作者怀才 不遇,平生抱负无处施展的无奈与悲凉。
梁应花
• 身无长物:除自身外再没有多余的东西。 形容贫穷。 • 哀鸿遍野:哀鸿:哀鸣的鸿雁。比喻啼饥 号寒的灾民。比喻在天灾人祸中到处都是 流离失所、呻吟呼号的饥民。 • 刚柔相济 :刚强的和柔和的相互补充,使 恰到好处。
• 1、①华工科技求贤若渴,接纳闫大鹏并一起成立 公司;②有华工科技提供光、机、电、方面的技 术团队的支持;③有副总裁闵大勇负责管理和营 销,为不擅经营解决后顾之忧。(王倩) • 2、 ①有很好的技术手段; ②有专业技术团队的 支持。(薛静洁) • 3、 ①闫大鹏在美国做光纤激光器,而国内的光 纤激光器研究和落后;②有华工科技提供的技术 团队的支持;③闫大鹏希望回国并收到华工科技 科技的邀请。(徐浩臻) • 4、 ①面对外国的技术封锁时,他深深的爱国心 被触动,决心用自己的技术帮助国家; ② 他高超 的技术,全新投入激光研发; ③有负责管理和营 销的坚强后盾;④有华工科技提供光、机、电、 方面的技术团队的支持。(白瑞红)
数学下册课本练习十七

02
易错点二
概念混淆。对于相似或相近的概念,容易混淆导致解题错误。为了解
决这个问题,需要对相关概念进行深入理解和比较,明确它们之间的区
别和联系。
03
易错点三
逻辑错误。在解题过程中,由于逻辑推理不严密或不正确,导致解题
思路出现偏差。为了避免这种错误,需要加强逻辑推理的训练,并仔细
审查解题思路的严密性和正确性。
详细描述
题目一是一道简单的数学运算题,主要考察学生的加减乘除基础运算能力。通 过解答这道题,学生可以巩固基础知识,提高运算的准确性和速度。
题目二解析
总结词
应用题解析
详细描述
题目二是一道应用题,涉及到生活中的实际问题。这道题要求学生理解题意,根 据已知条件建立数学模型,并求解未知数。通过解答这道题,学生可以培养解决 实际问题的能力,提高数学应用意识。
学习收获三
通过易错点分析,我意识到了自己在解题过程中容易犯的错误和不足之处。这让我更加 注重细节和严谨性,有助于培养良好的学习习惯和思维方式。同时,我也学会了如何针对 自己的不足进行改进和提升。
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感谢您的观看
题目三解析
总结词
逻辑思维题
详细描述
题目三是一道逻辑思维题,主要考察学生的推理能力和分析问题的能力。这道题需要学生仔细审题,理清思路, 通过逐步推理找到答案。通过解答这道题,学生可以培养逻辑思维能力,提高分析问题和解决问题的能力。
03 练习十七答案与解析
题目一答案与解析
答案:B
解析:根据题目给出的条件,我们可以列出方程式:$x + y = 10$ 和 $2x + y = 14$。解这个方程组,我们可以得到 $x = 4$ 和 $y = 6$。因此,正确答案是 B 。
限时训练参考答案

限时训练参考答案限时训练参考答案在现代社会中,时间成为了一种宝贵的资源。
我们总是不断地追求高效率和快速完成任务的能力。
为了应对这种需求,限时训练应运而生。
限时训练是一种通过在规定的时间内完成任务来提高工作效率和学习能力的方法。
在这篇文章中,我们将探讨限时训练的意义和一些参考答案。
限时训练的意义在于它可以帮助我们培养时间管理和压力应对能力。
在限时训练中,我们必须在规定的时间内完成任务,这迫使我们学会合理安排时间和高效利用时间。
这种训练不仅可以提高我们的工作效率,还可以培养我们的冷静和应对压力的能力。
当我们在紧迫的时间限制下工作时,我们需要保持冷静并集中注意力,这对我们的工作和学习都非常重要。
在进行限时训练时,我们需要有一些参考答案来帮助我们评估自己的表现。
这些参考答案可以是标准答案、模板或者是其他人的答案。
通过参考答案,我们可以了解到自己在时间管理、任务完成和问题解决等方面的表现如何。
同时,参考答案也可以帮助我们发现自己的不足之处,并进行针对性的改进。
然而,我们需要明确的是,参考答案只是一种参考,我们并不需要完全照搬,而是应该根据自己的实际情况进行调整和改进。
在限时训练中,我们可以运用参考答案的方法和思路,但是我们需要注意避免机械地套用答案。
每个人都有自己的思维方式和解决问题的方法,因此我们需要根据自己的特点和优势来进行答题。
参考答案只是给我们提供一种思路和方法的参考,而不是唯一的正确答案。
我们需要根据自己的理解和思考来进行创新和发展。
限时训练不仅可以应用于学习和工作,也可以应用于日常生活中的各个方面。
比如,我们可以设定一个时间限制来完成家务,这样不仅可以提高效率,还可以让我们有更多的时间去做其他喜欢的事情。
又比如,我们可以设定一个时间限制来锻炼身体,这样不仅可以提高身体素质,还可以节约时间。
限时训练可以应用于各个领域,它可以帮助我们更好地管理时间,提高效率。
综上所述,限时训练是一种提高工作效率和学习能力的方法。
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限时训练题十七语法填空I fin ally took part in my first local Walk for Hope eve nt, which is a race to raise money for breast can cer research.People usually give $30 at the least to walk a 4-mile (6.4km) roun dtrip course in the neighborhood. After finishing, they are greeted with tents and free food 1 the start ing point.I ___ 2 ______ (pla n) to do the Walk every year since the sixth grade, but fateseemed to have not wan ted it. This year, I cleared my schedule weeks in adva nee, and eve nwent to bed before 10 pm to make sure I _________ 3__ make it._______ 4_______ (fortun ate), I was early eno ugh to see the mayor cut the ribbon , marking the start of the walk.The n, the race bega n.I felt pretty good at first. However, about a mile (1.6km) down the course, I bega n to tire.My frie nd Dave, who was at first a half-step __5 _______________ me, was nowhalf a block ahead. I was embarrassed and hated the fact ____ 6____ I could n't keepup with him.At the half-way point I decided to get a head start back to the start ing point with one of mygirlfrie nds, Alyna. She had bee n wait ing for me there. Alyna and I man aged to jog 7 wholeway back to the starti ng point, although at a slower pace tha nDave and I had done before. Just _____ 8 ____ (th in k)of all the free food that waswait ing for me made me want to get back faster.It was already noon by the time the last walkers arrived at the finish line, and my friends andI had already had ____________ 9_____ b it of food and en terta inmen t. I was sweaty,smelly, and exhausted, ___ 10 ____ I was glad I was able to con tribute to a great causeexercise with my friends and eat free food, all at the same time.完型填空When I entered Berkeley, I hoped to earn a scholarship. Having been a Straight-A student, I believed I take tough subjects and really lear n somethi ng. One such course was World Literature given by Professor Jayne. I was extremely interested in the ideas heA in class.When I took the first exam, I was shocked to find a 77, C-plus, on my test paper, forEnglish was my best subject. I went to Professor Jayne, who listened to my argume nts butrema in ed_ 2 .I decided to try harder, although I did n ow whatthatimea nt because school had alwaysbeen easy for me. I read the books more carefully, but got another 77. Aga in, I 3 with Professort cha ng Jayne. Agai n, he liste ned patie ntly but would nhis mi nd .One more test before the final exam. One more cha nce to improve my grade. So Iredoubled my efforts and, for the first time. 4 The meaning of the word“ thorough ” . Buteffort did no good and everyth in g 5 as before.The last hurdle(障碍) was the fin al. No matter what grade I got, it would n ' t can cel threeC-pluses. I might as well kiss the 6 goodbye.I stopped working head. I felt I knew the course material as well as I ever would.The ni ght before the fin al, I eve n 7 myself to a movie. The n ext day I decided for once I ' d have with a test.A week later, I was surprised to find I got an A. I hurried into professor Jayne office. He 9 to be expecting me. “If I gave yoAstyou 10 , you wouldn ' tcontinue to work as hard. ”I stared at him, realizing that his analysis and strategy(策略) were correct. I had worked my head off, as I had n ever done before.I was speechless whe n my course grade arrived: A-plus. It was the only A-plus given. The next year I received my scholarship. I ' valways remembered Professor Jayne' s less on: you alone must set your own sta ndard of excelle nee.1. A. sought B. prese nted C. exchanged D. obta ined2. A.unchanged B. un pleasa nt C. unfrien dly D. unm oved3. A. quarreled B. reas oned C. barga ined D. chatted4. A. memorized B. con sidered C. accepted D. lear ned5. A. stayed B. went C. worked D. changed6. A. scholarship B. course C. degree D. subject7. A. helped B. favored C. treated D. relaxed8. A. fun B. luck C. problems D. tricks.9. A.happened B. proved C. prete nded D. seemed10. A. valued B. imagined C. expected D. welcomed阅读理解ATwenty years ago, I drove a taxi for a living. One night I went to pick up a passe nger at 2:30 AM. Whe n I arrived to collect, I found the build ing was dark except for a sin gle light in a ground floor win dow.I walked to the door and knocked, “Juste minute, ”nswered a weak, elderly voice.After a long pause, the door ope ned. A small woma n in her eighties stood before me. By her side was a small suitcase.I took the suitcase to the car, and then returned to help the woman. She took my arm and we walked slowly toward the car.She kept thanking me for my kindness. “It nothing, ” told her. “just try to treat my passe ngers the way I would want my mother treated. ”“ Oh, you ' re such a good man. ” She said. When we got into the taxi, she gave me an address, and the n asked, “ Could you drive through dow ntow n? ”“It ' s not the shortest way, ” I answered quickly.“Oh, I ' m in no hurry, ”she said. “I ' m on my wa终t医院hospic^ ' t have any family left. The doctor says I don ' t have very long. ”I quietly reached over and shut off the mete计价器).For the n ext two hours, we drove through the city. She showed me the build ing where she had once worked, the n eighborhood where she had lived, and the furn iture shop that had once bee n a ballroom where she had gone dancing as a girl.Sometimes she ' d ask me to slow down in front of a particular building and would sit stari ng into the dark ness, say ing nothing.At dawn, she suddenly said, ” I 'm tired. Let 's go now. ”We drove in silence to the address she had given me.“How much do I owe you? ” she asked.“ Nothing. ” I said.“You have to make a living, ” she answered. ar“e Oot h,etrhpearessengers, ” I answered.Almost without thinking, I bent and gave her a hug. She held onto me tightly. Our hug ended with her remark, “You gave an old woman a little moment of joy.11. The old woman chose to ride through the city in order to _____ .A. show she was familiar with the cityB. see some places for the last timeC. let the driver earn more moneyD. reach the destination on time12. The taxi driver did not charge the old woman because he ____ .A. wanted to do her a favorB. shut off the meter by mistakeC. had received her payment in advanceD. was in a hurry to take other passengers13. What can we learn from the story?A. Giving is always a pleasure.B. People should respect each other.C. An act of kindness can bring people great joy.D. People should learn to appreciate others ' concern.BDomestic (驯养的) horses now pull ploughs, race in the Kentucky Derby, and carry police. But early horses were n 驯'服的m e nOugh to perform these kindsof tasks. Scientists think the first interactions humans had with horses were far different from those today.Thousands of years ago, people killed the wild horses that lived around them for food. Over time, people began to catch the animals and raise them. This was the first step in domestication.As people began to tame and ride horses, they chose to keep those animals that had more desirable characteristics. For example, people may have chosen to keep horses that had a gentle personality so they could be ridden more easily. People who used horses to pull heavy loads would have chosen to keep stronger animals. Characteristics like strength are partly controlled by the animals 'genes. So as the domesticated horses reproduced, they passed the characteristics on to their young. Each new generation of houses would show more of these chosen characteristics.Modern day horse breeds come in a wide variety of shapes and sizes. This variety didn 't exist in the horse population before domestication. The Shetland horse is one of the smallest breeds—typically reaching only one meter tall. With short, strong legs, the animals were bred to pull coal out of mine shafts (矿井) with low ceilings. Huge horses like the Clydesdale came on the scene around 1700. People bred these heavy, tall horses to pull large vehicles used for carrying heavy loads.The domestication of horses has had great effects on societies. For example, horses were important tools in the advancement of modern agriculture. Using them to pull ploughs and carry heavy loads allowed people to farm more efficiently. Before they were able to ride horses, humans had to cross land on foot. Riding horses allowed people to travel far greater distanee in much less time. That encouraged populatio ns livi ng in differe nt areas to in teract with one ano ther. The new from of rapid tran sportatio n helped cultures spread around the world.14. Before domesticati on horses were _____ .A. caught for sportsB. hun ted for foodC. made to pull ploughsD. used to carry people15. The author uses the Shetla nd horse as an example to show ____ .A. it is smaller tha n the Clydesdale horseB. horse used to have gen tle pers on alitiesC. some horses have better shaped tha n othersD. horses were of less variety before domesticatio n16. Horses con tributed to the spread of culture by _____ .A. carry ing heavy loadsB. cha nging farming methodsC. serv ing as a means of tran sportD. adva ncing agriculture in differe nt areas17. The passage is mainly about _______ .A. why huma ns domesticated horsesB. how huma ns and horses n eeded each otherC. why horses came in differe nt shapes and sizesD. how huma n societies and horses in flue need each otherCDear Hamilt on.We are fortun ate that in such a large, high-pressure office we all get along so well. You are one of the people who keep the social temperature at such a comfortable sett in g. I don ' t know anyone in the office who is better liked tha n you.You can perhaps help with this. The collectio n of con tributi ons towards gifts for employeesp ersona-life events is becoming a little troubling. Certainly, the group sending of a gift is reas on able now and the n. In the past mon th, however, there have bee n collecti ons for two baby shower gifts, one wedd ing shower gift, two wedd ing gifts, one fun eral remembra nee, four birthday gifts, and three graduati on gifts.It ' s n o tily the collected-from who are growing uncomfortable (and poor), but the collected-for feel uneasy receiving gifts from people who don' know them outside the office, who wouldn ' teven recognize their graduating children, their marrying daughters and sons, or their dead relatives.This is basically a kind gesture (and one that people thi nk well of you for), but the practice seems to have become too wide-ranging and feels improper in today ' s office sett ing.Tha nk you for un dersta nding.18. The underlined word “ contributions ” probably means ________________ .A. moneyB. suggesti onsC. reportsD. un dersta nding19. Hamilt on is expected to _____ .A. show more kindn ess.B. disc on ti nue the prese nt practiceC. quit being the orga ni zer for gift givingD. know more about co-workers ' families20. This is basically a letter of ________ .A. apologyB. sympathyC. appreciati onD. dissatisfact ionDWhen it comes to frie nds, I desire those who will share my happ in ess, who possess wings oftheir own and who will fly with me. I seek friends whose qualities illuminate (照亮)me and train me up for love. It is for these people that I reserve the glow ing hours, too good not to share.When I was in the eighth grade, I had a frie nd. We were shy and “ too seriousabout our studies when it was beco ming fashi on able with our classmatesto learn acceptable social behaviors. We said little at school, but she would come to my house and we would sit down with pencils and paper, and one of us would say: “ Let ' s stwit h a train whistle today. ” We would sit quietly together and write separate poems or stories that grew out of a train whistle. Then we would read them aloud. At the end of that school year, we, too, were changing into social creatures and the stories and poems stopped.When I lived for a time in London, I had a friend. He was in despair(失望)and I was in despair. But our frie ndship was based on the idea in each of us that we would be sorry later if we did not explore this great city because we had felt bad at the time. We met every Sun day for five weeks and found many excelle nt thin gs. We walked un til our despairs disappeared and the n we parted. We gave London to each other.For almost four years I have had remarkable friend whose imagination illuminates mine. We write long letters in which we often discover our strangest selves. Each of us appears, sometimes in a funny way, in the other ' s dreams. She agree that, at certa in times, we seem to be parts of the same mi nd. In my most interesting moments I often think: “ Yes, I must tell ….” We have never met.It is such comforting companions I wish to keep. One bright hour with their kind is worth more to me than the lifetime services of a psychologist心理学家),who will only fill up the healing (愈合的)silence necessary to those darkest moments in which I would rather be my own best frie nd.21. In the eighth grade, what the author did before develop ing proper social behaviorwas to ______ .A. become serious about her studyB. go to her friend ' s house regularlyC. learn from her classmates at schoolD. share poems and stories with her friend22. In Paragraph 3, “We gave London to each other ” probably means ________ .A. our exploration of London was a memorable gift to both of usB. we were un willi ng to tear ourselves away from LondonC. our un pleasa nt feeli ng about London disappearedD. we parted with each other in London23. Accord ing to Paragraph 4, the author and her frie nd _____ .A. call each other regularlyB. have similar personalitiesC. enjoy writing to each otherD. dream of meeting each other24 .In the darkest mome nts, the author would prefer to _____ .A. seek professi onal helpB. be left aloneC. stay with her best friendD. break the silenee25. What is the best title for the passage?A. Un forgettable Experie ncesB. Remarkable Imagi nati onC. Life long Frie ndshipD. Noble Compa nionsEThe Diet Zone: A Dan gerous PlaceDiet Coke, diet Pepsi, diet pills, no- fat diet, vegetable diet … We are surroundedby the word “ diet ” everywhere weiitabtesten. We have so easily been attracted by the promise and pote ntial of diet products that we have stopped thi nking about what diet products are doing to us. We are paying for products that harm us psychologically and physically.Diet products sig nifica ntly weake n us psychologically. On one level, we are not allow ing our brain to admit that our weight problems lie not in actually los ing the weight, but in controlling the consumption of fatty, high-calorie, unhealthy foods. Diet products allow us to jump over the thi nking stage and go straight for the scalein food (秤)in stead. All we have to do is to swallow or recog nize the word“ diet ”labels.On ano ther level, diet products have greater psychological effects. Every time we have a zero-calorie drink, we are telling ourselves without our awarenessthat we don' t have to work to get results. Diet products make people believe thagtain comes without pain, and that life can be without resista nee and struggle.The dan ger of diet products lies not only in the psychological effects they have on us, but also in the physical harm that they cause. Diet foods can in directly harm our bodies because consuming them in stead of healthy foods means we are preve nti ng our bodies from having basic nutrients(营养成分).Diet foods and diet pills contain zero calorie only because the diet in dustry has created chemicals to produce these won der products. Diet products may not be nu triti on al, and the chemical that go into diet products are pote ntially dan gerous.Now that we are aware of the effects that diet products have on us, it is time to seriously think about buying them. Los ing weight lies in the power of min ds, not in the power of chemicals. Once we realize this, we will be much better able to resist diet products, and therefore prevent the psychological harm that comes from using them.26. From Paragraph 1, we lear n that _______ .A. diet products fail to bring out people ' s potentialB. people have difficulty in choos ing diet productsC. diet products are misleadi ng peopleD. people are fed up with diet products27. One psychological effect of diet products is that people tend to _____ .A. try out a variety of diet foodsB. hesitate before they enjoy diet foodsC. pay atte nti on to their own eat ing habitsD. watch their weight rather tha n their diet28. In Paragraph 3, “gain comes without pain ” probably means __________A. losi ng weight is effortlessB. it costs a lot to lose weightC. diet products bring no painD. diet products are free from calories29. Diet products in directly harm people physically because such products _____ .A. are over-c on sumedB. lack basic nu trie ntsC. are short of chemicalsD. provide too much en ergy30. Which of the followi ng shows the structure of the passage?C, D-CP: Central Poim P: Poini Sp; Subpoint C; CdnclusiiMi基础写作在一次英语演讲比赛中,评委向你展示下列图画:【写作内容】请根据以上图片,写一篇发言稿,向评委陈述对此副画的理解。