状语从句练习题
1. —What was the party like? —Wonderful. It’s years __________I enjoyed myself so much. A. after B. before C. when D. since 2. Mother was worried because little Alice was ill, especially _______Father was away in France. A. as B. that C. during D. if 3. Why do you want a new job __________you got such a good one already? A. that B. where C. which D. when 4. After the war, a new school building was put up ___________there had once been a theatre. A. that B. where C. which D. when 5. You will be late ______________you leave immediately. A. unless B. until C. if D. or 6. ___________, Mother will wait for him to have dinner together. A. However late is he B. However he is late C. However is he late D. However late he is 7. If we work with a strong will, we can overcome any difficulty, ______________great it is. A. what B. how C. however D. whatever 8. We won’t give up ______________we should fail ten times. A. even if B. since C. whether D. until 9. She doesn’t speak ____________her friend, but her writ ten work is excellent. A. as well as B. so often as C. so much as D. as good as 10. He’ll be happy ____________he may be. A. when B. if C. because D. wherever 11. The new secretary is supposed to report to the manager as soon as she ______________. A. will arrive B. arrives C. is arriving D. is going to arrive 12. The volleyball match will be put off if it _______________. A. will rain B. rains C. rained D. is raining 13. Remember to send me a photo of your son next time you ____________to me. A. write B. will write C. are writing D. would write 14. If city noises __________from increasing, people ___________shout to be heard even at the dinner table in 20 years from now. A. are not kept; will have to B. are not kept; have to C. do not deep; will have to D. do not deep; have to 15. I need one more stamp before my collection ____________. A. has completed B. completes C. has been completed D. is completed 16. As she _________the newspaper, Granny _________asleep. A. read, was falling B. was reading, fell C. was reading, was falling D. read, fell 17. If it __________for the snow, we ___________the mountain yesterday. A. were not; could have climbed B. were not; could climb C. had not been; could have climbed D. had not been; could climb 18. —If he _________, he ___________tat food. —Luckily he was sent to the hospital immediately. A. was warned; would not take B. had been warned; would not have taken
状语从句解题技巧及练习测试题
状语从句解题技巧及练习测试题 一、初中英语状语从句 1.--Peter, please send us postcards we’ll know where you have visited. --No problem. A.but B.or C.for D.so 【答案】D 【解析】 句意:——彼得,请给我们及明星片,这样我们将会知道你参观过哪里。——没问题。but 但是,表示转折关系;or或者,表示选择;for为了,表示原因;so所以,表示结果。结合句意,前半句让彼得给我们及明信片,后半句知道彼得到哪里参观了,后一句是前一句的结果,故用连词so。故选D。 2.—I’m going to the post office. —________you are there, can you get me some stamps? A.When B.While C.Because D.If 【答案】B 【解析】 试题分析:A. As 一边…一边,作为 B. While当…时候 C. Because 因为 D. lf假如;句意:我将要去邮局。你去那里的时候,能不能给我带一些邮票呢?故选B 考点:连词 点评:连词在中考中涉及到的很多,尤其在宾语从句、状语从句、定语从句中连词是必考点。平时学习过程中,掌握连词的意思,及所表示的关系是至关重要的,这种关系的判断可以通过句子意思的理解来选择恰到的连词。 3.—Leonardo didn't win an Oscar he acted in The Revenant(荒野求生). 一Yeah. It was hard for him to realize this dream, but he never gave up. A.after B.since C.when D.until 【答案】D 【解析】句意:——列奥纳多直到他在《荒野求生》中才获得奥斯卡奖。——是的。对他来说很难实现这个梦想,但他从不放弃。考查连词辨析题。A. after在……以后;B. since自从……;C. when当……时候;D. until直到……才,多和not连用。本句是时间状语从句,四个选项都可做引导词;根据Leonardo didn't win an Oscar和答语中的but he never gave up.,结合句意结构和语境,可知until符合句意,故选D。 4. 一Last night I went to a concert of Chinese folk music. Erquan Yingyue was so sad but beautiful that I sensed a strong sadness and pain under the beauty. 一So it was. The musician who played it last night to play the erhu since he very young.
数列单元测试题(职业高中)
第六章数列测试题 一,选择题 1,气象站一天各时刻测得的气温排成的一列数( ) A 不是数列B 是数列C 是无序数列D 是有序数但不是数列 2,已知数列{ a n }的通项公式为a n = n 2 +3n+2,以下四个数中,是数列{ a . }中 的一项是() A 18 3 ?数列 B54 1 22 1 32 C 102 D 156 —,二^ …的一个通项公式是( ) 1 4 1 A , a . 1 n 2 1 an =TTE a n = n(n 2) D 以上都不对 4. A C 下列各数列中, 0,1,0,1,0,1,? -1,1,-1,1, 是等差数列的是( B 0.3, 0.33, 0.333, D 8,8,8,8, 、5 —与另一个数的等差中项,则另一个数( ) 、3 ?、 5 6. 在等差数列 {a n }中,若 a 4 a 6 10,则 a 2 a 3 a 4 a 6 a ? 等于 9, 已知x,2x+2,3x+2是一个等比数列的前3项,贝U 等比数列的第4项是() A -27 B 12 C -13.5 D 13.5 10. 设等比数列的首项与第2项的和为30, a s a 4 120,则a s +a 6=() A 120 B 240 C 480 D 600 二,填空题 1. 数列 a n = (n+1) (n+2)的第 ___ 项为 110。 1 1 2 3 4 2. 数列--,0,-,-,-,-,…的一个通项公式为 ________________________ 2 4 5 6 7 3. 等差数列的第2项为-5,第6项与第4项之差为6,那么这个数列的首项是— 75 3 4. 已知 住公,?成等差数列,那么x= ______ 8 2 5. 等差数列的前4项之和为30,公差是3,则a s = ___________ 6. 在等比数列{ a n }中Q=9, a 6=243,则S 6= ____________ 3n 7. ___________________________________ 已知等比数列中,a n =一,则 a 1 = , q= ___________________________________ 6 1 8. 已知等比数列中,q=--,a * =1,S n =-20,则a 1 _________________________ 3 9. 110是通项公式为的a n n 1 n 2数列的第 _________________ 项 10. _________________________________________________ 首项为5,末项为 27,公差为2的等差数列共有 ________________________________ 项 三,解答题 1,已知成等差数列的三个正数的和等于 15,并且这三个数分别加上1, 3, 9后 得到的三个数成等比数列,求这三个数。 10 B 35 C 40 D 65 7, 等比数列前3项依次为、2,3.2,6 2,则第4项是() A 1 B 1212 C 9 12 D 3 2 8 .在0与16之间插入两个数,使前三个数成等差数列,后三个数成等比数列, 则这两个数的和等于() A 8 B 10 C12 D 16 2.已知数列{ a n }的通项公式为a n = (-1) 2n 1 n ---------- 求此数列的第 5 项。
最新 状语从句测试题及答案经典
最新状语从句测试题及答案经典 一、初中英语状语从句 1.--Where is the comic book? --I brought it to you ________you were in the reading room yesterday. A.when B.if C.because D.before 【答案】A 【解析】 句意:-漫画书在哪里?-昨天当你在阅览室的时候我就拿给你了。when当…时候;if如果,引导条件状语从句;because因为,引导原因状语从句;before在…之前,引导时间状语从句。根据句意可知,这里表示“当你在阅览室的时候”,故应选A。 2.I will go to the English club tomorrow I am too busy. A.since B.if C.unless D.until 【答案】C 【解析】 【详解】 句意:明天我将会去英语俱乐部,除非我太忙。since自从;if如果;unless除非,如果不;until直到…时候。根据句意可知,这里表示的意思是“如果我不忙,我会…”,故应选C。 3.I enjoy fresh air so always sleep with the window open ______ it is really cold.A.unless B.when C.if D.Since 【答案】A 【解析】 【分析】 【详解】 句意:我喜欢新鲜空气,因此我总是让窗户开着,除非真的很冷。考查连词辨析。A.Unless除非,相当于if not,表条件;B.When当……的时候;C.If如果,表条件;D.Since自从。根据I enjoy fresh air so always sleep with the window open 可知除非真的很冷否则总是让窗户开着,unless符合题意,故选A。 4.—It’s reported that the plastic pollution is harming the ocean. — I saw the report in the newspaper at breakfast. It will be worse _________ stronger laws are made. A.since B.after C.until D.unless 【答案】D 【解析】
状语从句练习题经典
$ 状语从句练习题经典 一、初中英语状语从句 1.We’ll go to the farm and help the farmers with the apple-picking if it ______tomorrow. A.isn’t rain B.will be rainy C.doesn’t rain D.is raining 【答案】C 【解析】 【详解】 # 句意:如果明天不下雨我们将会去农场帮农民摘苹果。考查条件状语从句。根据题干We’ll go to the farm and help t he farmers with the apple-picking if it ______tomorrow.可知,if引导的条件状语从句,主句用将来时,从句需用一般现在时,句意是“明天不下雨”,rain是实意动词,主语是it,变否定用助动词doesn’t。故选C。 【点睛】 主将从现是指在时间状语从句和条件状语从句中,如果主句是一般将来时,从句用一般现在时替代一般将来时。 常见的有以下四种情况: 一、条件状语从句的主句是一般将来时,那么从句常常用一般现在时 如: When I grow up, I’ll be a nurse and look after patients 我长大后要当一名护士,照顾病人 二、如果主句是祈使句,那么从句通常要用一般现在时 ) 如:Don’t laugh at me when I make a mistake. 我犯错误的时候不要笑话我。 三、如果主句是含有情态动词的一般现在时,根据需要从句多用一般现在时 如:You should be quiet when you are in the reading room 在阅览室时应保持安静 四. 如果if的条件状语从句遇到变换间接和直接时 , 祈使句应用not to.... 如; She said not to close the window 常见的时间状语从句的连词有:as soon as,when,while ,as,until等 ~ 2.Tony has had to cook by himself ________ his mother went on business to Guangzhou. A.since B.after C.during D.when 【答案】A 【解析】 【详解】 句意:自从妈妈去广州出差以来,托尼不得不自己做饭。A. since从……以来;B. after
中职数学试卷:数列(带答案)
数学单元试卷(数列) 时间:90分钟 满分:100分 一、 选择题(每题3分,共30分) 1.数列-1,1,-1,1,…的一个通项公式是( ). (A )n n a )1(-= (B )1 )1(+-=n n a (C )n n a )1(--= (D )2sin π n a n = 2.已知数列{}n a 的首项为1,以后各项由公式 给出, 则这个数列的一个通项公式是( ).
(A)(B) (C) (D) 3.已知等差数列1,-1,-3,-5,…,则-89是它的第()项;
(A)92 (B)47 (C)46 (D)45 ,则这个数列() 4.数列{}n a的通项公式5 a =n 2+ n (A)是公差为2的等差数列(B)是公差为5的等差数列 (C)是首项为5的等差数列(D)是首项为n的等差数列 5.在等比数列{}n a中,1a =5,1= S=(). q,则 6 (A)5 (B)0 (C)不存在(D) 30 6.已知在等差数列{}n a中,=3, =35,则公差d=().(A)0 (B)?2 (C)2 (D) 4 7.一个等比数列的第3项是45,第4项是-135,它的公比是().
(A )3 (B )5 (C ) -3 (D )-5 8.已知三个数 -80,G ,-45成等比数列,则G=( ) (A )60 (B )-60 (C )3600 (D ) ±60 9.等比数列的首项是-5,公比是-2,则它的第6项是( ) (A ) -160 (B )160 (C )90 (D ) 10 10.已知等比数列,8 5,45,25…,则其前10项的和=10S ( ) (A ) )211(4510- (B ))211(511- (C ))211(59- (D ))2 11(510- 二、填空题(每空2分,共30分) 11.数列2,-4,6,-8,10,…,的通项公式=n a 12.等差数列3,8,13,…的公差d= ,通项公式=n a ___________,8a = . 13.观察下面数列的特点,填空: -1,21, ,41,51-,6 1, ,…,=n a _________。 14.已知等差数列=n a 5n-2,则=+85a a ,=+103a a ,=+94a a . 15.数列{}n a 是等比数列, ,3,11==q a 则=5a . 16.一个数列的通项公式是 ),1(-=n n a n 则=11a ,56是这个数列的第 项. 17. 已知三个数13,,13-+A 成等差数列,则A = 。 18.等差数列{}n a 中,,2,1001-==d a 则=50S . 三、解答题(每题10分,共40分) 19.等差数列{}n a 中,64=a ,484=S ,求1a .
状语从句测试题及答案
状语从句测试题及答案 一、初中英语状语从句 1.We’ll go to the farm and help the farmers with the apple-picking if it ______tomorrow. A.isn’t rain B.will be rainy C.doesn’t rain D.is raining 【答案】C 【解析】 【详解】 句意:如果明天不下雨我们将会去农场帮农民摘苹果。考查条件状语从句。根据题干We’ll go to the farm and help the farmers with the apple-picking if it ______tomorrow.可知,if引导的条件状语从句,主句用将来时,从句需用一般现在时,句意是“明天不下雨”,rain是实意动词,主语是it,变否定用助动词doesn’t。故选C。 【点睛】 主将从现是指在时间状语从句和条件状语从句中,如果主句是一般将来时,从句用一般现在时替代一般将来时。 常见的有以下四种情况: 一、条件状语从句的主句是一般将来时,那么从句常常用一般现在时 如:When I grow up, I’ll be a nurse and look after patients 我长大后要当一名护士,照顾病人 二、如果主句是祈使句,那么从句通常要用一般现在时 如:Don’t laugh at me when I make a mistake. 我犯错误的时候不要笑话我。 三、如果主句是含有情态动词的一般现在时,根据需要从句多用一般现在时 如:You should be quiet when you are in the reading room 在阅览室时应保持安静 四. 如果if的条件状语从句遇到变换间接和直接时 , 祈使句应用not to.... 如; She said not to close the window 常见的时间状语从句的连词有:as soon as,when,while ,as,until等 2.The Italian woman didn’t feel a culture shock____it was her first time to Shanghai. A.though B.since C.if D.when 【答案】A 【解析】 句意:这个意大利妇女没有感到一种文化冲击,尽管她是第一次来上海。A. though尽管; B. since自从; C. if 是否,如果; D. when当---时候;根据The Italian woman didn’t feel a culture shock这个意大利妇女没有感到一种文化冲击,和it was her first time to Shanghai.她是第一次来上海之间用though 引导让步关系状语从句;故选A 3.----Did you call Sara back ? ----I didn’t need to ,_____ we’ll have a meeting together tonight.
第二章数列单元综合测试
第二章数列单元综合测试 一、选择题(每小题5分,共60分) 1.数列{2n +1}的第40项a 40等 于( ) A .9 B .10 C .40 D .41 2.等差数列{2-3n }中,公差d 等于( ) A .2 B .3 C .-1 D .-3 3.数列{a n }的通项公式是a n =2n ,S n 是数列{a n }的前n 项和,则S 10等 于( ) A .10 B .210 C .210-2 D .211-2 4.在等差数列{a n }中,前n 项和为S n ,若a 7=5,S 7=21,那么S 10等 于( ) A .55 B .40 C .35 D .70 5.等比数列{a n }的前n 项和为S n ,且4a 1,2a 2,a 3成等差数列.若a 1=1,则S 4等于( ) A .7 B .8 C .15 D .16 6.等差数列{a n }的前n 项和为S n, 若a 3+a 17= 10,则S 19的 值是( ) A .55 B .95 C .100 D .不确定 7.设{a n }是公差为正数的等差数列,若a 1+a 2+a 3=15,a 1a 2a 3=80,则a 11+a 12+a 13 =( ) A .120 B .105 C .90 D .75 8.一个只有有限项的等差数列,它前5项的和为34,最后5项的和为146,所有项的和为234,则它的第7项等于( ) A .22 B .21 C .19 D .18 9.三个不同的实数a ,b ,c 成等差数列,又a ,c ,b 成等比数列,则a b 等于( ) A .-2 B .2 C .-4 D .4 10.已知等比数列{a n }满足a n >0,n =1,2,…,且a 5·a 2n -5= 22n (n ≥3),则当n ≥1时,log 2a 1+log 2a 3+…+log 2a 2n -1等 于( ) A .n (2n -1) B .(n +1)2 C .n 2 D .(n -1)2 11.在一直线上共插有13面小旗,相邻两面小旗之间距离为10 m ,在第一面小旗处有一个人,把小旗全部集中到一面小旗的位置上,每次只能拿一面小旗,要使他走的路程最短,应集中到哪一面小旗的位置上( ) A .7 B .6 C .5 D .4 12.若数列{a n }是等差数列,首项a 1>0,a 2007+a 2008>0,a 2007·a 2008<0,则使前n 项和S n >0成立的最大自然数n 是( ) A .4013 B .4014 C .4015 D .4016
状语从句练习题及答案)
状语从句练习题 1.I’ll let you know ____ he comes back. A. before B. because C. as soon as D. although 2. She will sing a song ____ she is asked. A. if B. unless C. for D. since 3. We will work ____ we are needed. A. whenever B. because C. since D. wherever 4. Read it aloud _____ the class can hear you. A. so that B. if C. when D. although 5._____ you go, don't forget your people. A. Whenever B. However C. Wherever D. Whichever 6. It is about ten years _____ I met you last. A. since B. for C. when D. as 7. They will never succeed, _____ hard they try. A. because B. however C. when D. since 8. _____ still half drunk, he made his way home. A. When B. Because C. Though D. As 9. _____ she was very tired, she went on working. A. As B. Although C. Even D. In spite of 10. Busy _____ he was, he tried his best to help you. A. as B. when C. since D. for 11. I learned a little Russian _____ I was at middle school. A. though B. although C. as if D. when 12. _____ we got to the station, the train had left already. A. If B. Unless C. Since D. When 13. _____ the rain stops, we' 11 set off for the station. A. Before B. Unless C. As soon as D. Though 14. She was _____ tired _____ she could not move an inch. A. so, that B. such, that C. very, that D. so, as 15. We didn’t go home _____ we finished the work. A. since B. until C. because D. though 16. I'll stay here _____ everyone else comes back. A. even if B. as though C. because D. until 17. Although it's raining, _____ are still working in the field. A. they B. but they C. and they D. so they 18. Speak to him slowly _____ he may understand you better. A. since B. so that C. for D. because 19. You'll miss the train ______ you hurry up. A. unless B. as C. if D. until 20. When you read the book, you' d better make a mark _____ you have any questions. A. at which B. at where C. the place D. where 21. We'd better hurry ______ it is getting dark. A. and B. but C. as D. unless