历年中考易错题(单选 )
历年中考易错题（单选）
选择。
1.We will go shopping as soon as your homework ______________.
A. finishes
B. will be finished
C. has finished
D. is finished
2.– Do you think it is ________ to rain? -Yes. Look at the dark clouds in the east.
A. like
B. alike
C. dislike
D. likely
3.–What were you talking about over there?—We were talking about a novel we
____________ two months before.
A. have been read
B. had read
C. read
D. has read
4. When shall we go to the zoo, this Saturday or next Sunday? —____ is OK. I’m free these days.
A. Both
B. All
C. Either
D. None
5. Don’t play football on the street, _____________?
A. do you
B. don’t you
C. will you
D. won’t you
6. I don’t think it will rain, ______________?
A. do you
B. don’t you
C. will it
D. won’t it
7. Let’s go to a Chinese restaurant, _____________?
A. do you
B. will you
C. will it
D. shall we
8. _______ of the land in that district __________ covered with trees and grass.
A. Two fifths, is
B. Two fifth, are
C. Two fifth, is
D. Two fifths, are
9. There is __________ “h” in the word “honest”, but _______ “h” doesn’t make a sound.
A. a, a
B. a, the
C. the, an
D. an, the
10. —Our holiday in Hainan cost lots of money.
—Did it? Well, it doesn’t matter _________ you had a nice time there.
A. unless
B. since
C. while
D. so
11. Jiangsu is _______ the east of China, but Japan is ___________ the east of China.
A. to, in
B. in, to
C. on, to
D. to, on
12. —Who is knocking at the door?
—It ___________ my our PE teacher. He said he would come.
A. may be
B. maybe
C. must be
D. could be
13. Yao Ming’ achievements in the basketball field have ___________ him much money.
A. made
B. got
C. taken
D. earned
14. By the end of next year, he ____________ to Nanjing with his parents.
A. moved
B. had moved
C. moves
D. will move
15. ________ now, I’ve known nothing about it at all.
A. Before
B. Until
C. After
D. as
16. —Has the film you are talking about come out yet?—Not yet. We have to wait for ________.
A. more two
B. other two
C. two more
D. two another
17. There ___________________________ in that museum.
A. is many furnitures
B. is a lot of furniture
C. are many furnitures
D. are a lot of furniture
18. My hobby is collecting stamps. I need ____________ before I have 3,000 stamps.
A. more one
B. any more
C. more than
D. one more
19. Nobody is in the classroom, ________________?
A. is nobody
B. isn’t he
C. are they
D. aren’t they
来看这些历年中考数学易错题你能都做对吗
来看这些历年中考数学易错题你能都做对吗？（附答案） 作者：学大教育编辑整理 来源：网络 一、选择题 1、A 、B 是数轴上原点两旁的点，则它们表示的两个有理数是（ ） A 、互为相反数 B 、绝对值相等 C 、是符号不同的数 D 、都是负数 2、有理数a 、b 在数轴上的位置如图所示，则化简|a-b|-|a+b|的结果是（ ） A 、2a B 、2b C 、2a-2b D 、2a+b 3、轮船顺流航行时m 千米/小时，逆流航行时(m-6)千米/小时，则水流速度（ ） A 、2千米/小时 B 、3千米/小时 C 、6千米/小时 D 、不能确定 4、方程2x+3y=20的正整数解有（ ） A 、1个 B 、3个 C 、4个 D 、无数个 5、下列说法错误的是（ ） A 、两点确定一条直线 B 、线段是直线的一部分 C 、一条直线是一个平角 D 、把线段向两边延长即是直线 6、函数y=(m 2-1)x 2-(3m-1)x+2的图象与x 轴的交点情况是 ( ) A 、当m ≠3时，有一个交点 B 、1±≠m 时，有两个交 C 、当1±=m 时，有一个交点 D 、不论m 为何值，均无交点 7、如果两圆的半径分别为R 和r （R>r ），圆心距为d ，且(d-r)2=R 2，则两圆的位置关系是（ ） A 、内切 B 、外切 C 、内切或外切 D 、不能确定 8、在数轴上表示有理数a 、b 、c 的小点分别是A 、B 、C 且b 九年级单项选择专练 C1. --- ____ do you study for a test? --- I study by listening to tapes. A. What B. Which C. How D. Where B2. I _____ really quiet. Now I’m very outgoing. A. use to be B. used to be C. use to D. used to A3. Ann ____ to choose her own clothes, but she isn’t allowed to get her ear pierced穿耳洞yet. A. is allowed B. allow C. allowed D. is allowing D4. ---What ___ you do if you had a million dollars? --- I’d give it to charity. A. will B. did C. were D. Would ①提出将来会发生的事：主句：主语＋would/should/might/could＋动词原形 从句：if+should＋动词原形/were to＋动词原形 eg. If he should go to Harvard University, he would make full use of his time. 如果他要上哈佛大学的话，他就会充分利用他的时间了。 ②提出现在的条件：主句：主语＋would/should/might/could＋动词原形 从句：if+动词过去式 eg. If he studied at this school, he would know the enviornment around the school very much. 如果他在这所学校学习的话，他会很了解周边环境。 ③提出过去的未发生的条件：主句：主语＋would/should/might/could have＋动词过去分词 从句：if+had＋动词过去分词 A5. --- Have you ever ____ another country? ---- Yes, I have. A. been to B. gone to C. be to D. went to B6. --- _____ would you like to go ? --- I’d like to go somewhere warm. A. Which B. where C. What D. How B7. He looks sad. Let’s ____ . A. to cheer him up B. cheer him up C. to cheer up him D. cheer up him C8. ----Jack,you look tired today. What’s wrong? 【英语】中考英语语法填空易错题经典 一、初三中考语法填空（含答案详细解析） 1．阅读下面短文，在空格处填入一个适当的词或使用括号中词语的正确形式填空。 Strangely enough, some inventions are lost ________ people can't imagine their ________ （valuable）. A use may need to be "invented" along with the invention. An example is the fax machine. The technology for faxing ________ （invent）in the 1800s. It took more than one hundred years, however, for the fax to be seen as useful. In 1843 Alexander Bain invented a machine to ________ （electrical）transmit（传输）writing. At first, it was considered ________ （use）since few people thought there was ________ need for transmitting writing over ________ （wire）. Eventually the value of the invention was realized, and it was improved ________ office use. By the 1980s, the fax machine became a piece of standard ________ （equip）in offices. The reason is ________it can very quickly transmit written documents. Who knows how many other inventions just need to be recognized as valuable? 【答案】because；value；was invented；electrically；useless；a/any；wires；for；equipment；that 【解析】【分析】主要讲了一些发明因为人们不能想象它们的价值而失去，列举传真机器的发明来说明这点。 （1）句意：足够奇怪的是，因为人们不能想象它们的价值，所以一些发明消失了。后句表示原因，所以用because；形容词修物主代词修饰名词，their它们的，形容词修物主代词，所以后面用形容词valuable的名词value，不可数名词，故填because，value。 （2）句意：传真的科技在19世纪被发明。invent发明，实义动词，主语technology是动作invent的承受者，时态是一般过去时，所以用一般过去时的被动语态，结构是was/were+动词过去分词，主语technology是不可数名词，所以用was，invent的过去分词是invented，故填was invented。 （3）句意：1843年，亚历山大贝恩发明了一种电子传输文字的机器。electrical电子的，形容词，副词修饰实义动词，transmit传输，实义动词，所以用副词electrically，电子地，故填electrically。 （4）句意：起初，它被认为是无用的，因为很少有人认为有必要通过电线传输文字。be considere形容词，表示被认为怎么样，固定搭配，根据后文可知传真的作用后来才被认可，所以起初被认为是无用的，use使用，实义动词，其形容词是useless，无用的；原因是很少人认为有必要，few表示否定，所以用a/any；wire，电线，可数名词，前面没有表示单数的a或者one，所以用复数wires，故填useless；a/any；wires。 （5）句意：最终，这项发明的价值得以实现，并被改进为办公用途。为了办公用途才被改进，所以用for，为了，故填for。 （6）句意：到了20世纪80年代，传真机已成为办公室的标准设备。equip，装备，实义动词，形容词修饰名词，standard，标准的，形容词，所以用equip的名词equipment，设备，不可数名词，故填equipment。 （7）句意：原因是它能很快地传送书面文件。the reason is that...，原因是……，固定搭 一、中考初中化学推断题 1．A、B、C、D、E是初中化学中常见的五种无色气体，其中C容易与血红蛋白结合而引起中毒，D是最轻的气体，E是天然气的主要成分。它们之间的转化关系如下图所示（反应的其他产物已略去）。请回等下列问题： （1）写出下列物质的化学式： A______B______ C______D______E______ （2）氧化铜与D反应的化学方程式为________________________，反应的基本类型为______。 【答案】O2 CO2 CO H2 CH4 CuO+H2Δ Cu+H2O 置换反应 【解析】 【详解】 （1）A、B、C、D、E是初中化学中常见的5种无色气体，气体E为天然气的主要成分，所以E为甲烷，C容易与血红蛋白结合而引起中毒，所以C是一氧化碳，D是最轻的气体，D 是氢气，氧化铜和一氧化碳反应会生成B，所以B是二氧化碳；气体A和一氧化碳反应会生成二氧化碳，可以知道A就是氧气，氧气和氢气反应生成水，氧气和甲烷反应生成水和二氧化碳，经过验证，推导正确，所以A是O2，B是CO2，C是CO，D是H2，E是CH4，故填：O2，CO2，CO，H2，CH4； （2）氧化铜与D的反应是氢气和氧化铜加热的条件下生成铜和水，化学方程式为： CuO+H2Δ Cu+H2O，反应基本类型属于置换反应，故填：CuO+H2 Δ Cu+H2O 置换反应。 2．A，B，C，D，E五种物质之间的转化关系如图所示，其中A，B，C三种物质中都含有同一种元素，A是非金属单质，A的原子核外有6个电子，B，C是氧化物，D是目前世界年产量最高的金属，E为磁铁矿的主要成分，试回答： （1）写出下列物质的化学式：B：_________ E：____________； 中考英语单选各种难题易错题 A. What fine weather B. What a fine weather C. How a fine weather D. How fine a weather 解析：选A. 此题容易误选B. weather是不可数名词，前面不能有不定冠词。英语中经常考查的不可数名词有work, news, adivice, information等。 ( ) 2. Which is the way to the __________? A. shoe factory B. shoes factory C. shoe’s factory D. shoes’ factory 解析：选A. 此题极易误选B, C, D. 英语中名词单数可以修饰名词，如： an apple tree →two apple trees. 但注意 a man teacher→two men teachers。 ( ) 3. This class ________ now. Miss Gao teaches them。 A. are studying B. is studying C. be studying D. studying 解析：选A. 此题容易误选B. class, family, team等单词如果表示整体谓语就用单数，表示个体就用复数，从语境及其后面的代词them可以看出，class表示个体，故选择A。 ( ) 4. We will have a _________ holiday after the exam。 A. two month B. two-month C. two month’s D. two-months 解析：选择B 此题容易误选C, D. 在英语中数词中间用连字符号加名词单数，构成符合名词，在句中只能作定语，如果选择C, 需要把逗号放s后面。 ( ) 5. There is no enough ________ on the corner to put the table。 A. place B. room C. floor D. ground 解析：选B. 此题最容易误选A.。 room在句中是空间而非房间。句意：角落里没有摆桌子的空间了。 ( ) 6. We can have _____ blue sky if we create _____ less polluted world。(苏州2010) A. a; a B. a; the C. the; a D. the; the 解析：选A. 此题容易误选C, D. 根据句意：如果我们创造一个没有污染的世界，那么我们就用一个蓝色的天空。 初中英语中考英语语法填空易错题精选经典 一、初三中考语法填空（含答案详细解析） 1．He was ________ （mention） in the letter. 【答案】 mentioned 【解析】【分析】句意：他在这封信里被提到了。mention是及物动词，根据句子机构可知是被动语态，be已经给出，行为动词使用过去分词mentioned，故答案是mentioned。【点评】考查一般过去时，注意动词过去式的变化规则。 2．阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。 An old man went to India. When he got there, he saw some fruit for sale, but most of it was very cheap. The ________ （cheap） thing has a basket of red fruit. "How much per kilo?" the old man ________ （ask）. "Two rupees （卢比）," the shopkeeper answered. Two rupees in India is almost nothing, ________ the old man bought a whole kilogram and started eating it. However, as soon as he started eating, his mouth began ________ （burn）, his eyes began to water, and his whole face became as red ________ the fruit. As he coughed and struggled to breathe, he jumped up and ________, screaming: "Ah! Ah! Ah!" And yet he continued to eat the fruit. Some people who were looking at him shook their ________ （head） and said, "You are crazy! Those are chili peppers （辣椒）!You can't just eat them by the handful!" The old man said to ________ （he）,"I paid for them, so I must eat them." This old man seemed pretty stupid. But are we so much smarter? All of us have ________ （spend）money and time on something-maybe a relationship, or a business, or a job-and sometimes, even if we know there's no hope that things will change, we still continue with it. What we can learn ________ the old man is this: if you've lost a lot over something that doesn't work, let it go and move on. It's better than continuing to lose. 【答案】cheapest；asked；so；to burn /burning；as；down；heads；himself；spent；from 【解析】【分析】文章大意：这篇短文主要讲述了一个人因为贪便宜，买了一些根本不能作为水果的辣椒。结果因为舍不得自己花的那些钱，坚持把它们吃完的故事。从而告诉我们放弃某些东西比继续损失要好。 （1）句意：最便宜的东西有一篮子红水果。cheap，便宜。根据上文语句but most of it was very cheap. 提示可知，此句应该用最高级，故填cheapest。 （2）句意：“每公斤多少钱？”老人问。ask，询问，由语句 An old man went to India. 提示可知此句要用一般过去时，故填asked。 （3）句意：所以这位老人买了整整一公斤，开始吃。语句the old man bought a whole kilogram and started eating it.是Two rupees in India is almost nothing, 的结果，故填so。（4）句意：然而，他一开始吃东西，嘴巴就开始燃烧。burn，燃烧；固定结构begin to do sth，开始做某事，故填to burn/burning。 中考英语单项选择易错题精选 1.What do you think ______solve the problem ? A .you can do B.can you do C .you can do to D.can you do to 2 .In the past he often made his sister____, but now he is often made ___by his sister. A. to cry; to cry B. cry; cry C .to cry; cry D .cry; to cry 3 .The teacher told us that the sun ____in the east. A .rises B .rose C .raises D .raised 4 .He lives in a village _____there are a lot of trees. A. there B. where C .that D .which 5. He _________ Alice for ten years. A. married to B .has married to C. has married D.has been married to 6 .We need fifteen more people _____our team to do the job. A .but B .except C. as well D .besides 7 .They won`t allow us ________ at this beach. A .swimming B. to swim C .swam D .swim 8 .Is this factory ______you visited last week? A. that B. where C .the one D. in which 9 .The reason ____he was absent from the meeting was ____his car broke down on the way. A .that; because B .why; that C. that; that D. for; that 10 .Is the river_____ through that town very large? A .which flows B. flows C. that flowing D.whose flows 11 .The teacher told me that the students I wanted to see were seen___ football on the playground just now. A .playing B. to be playing C .play D .to play 12. The red rose is the only one _____I real like. A. which B .who C .that D. whom 13 .All the apples _____ fell down were eaten by the pigs. A .those B. which C. what D. that 14 .Don`t forget the day ______you were received into the Youth League. A .when B .that C .at which D .where 中考英语精选单选题错题100题 1 What do you think _____ solve the problem 2 In the past he ofte n made his sister __ , but now he is ofte n made __ by his sister. 3 The teacher told us that the sun ___ in the east. A rises B rose C raises 4 He lives in a village ___ there are a lot of trees. A there B where C that 5 He________ Alice for ten years. A married to B has married to C has married D has bee n married to 6 We n eed fiftee n more people ____ our team to do the job. A but B except C as well D besides 7 They won't allow us _______ at this beach. A swimmi ng B to swim C swam D swim 8 Is this factory _____ you visited last week? A that B where C the one D in which 9 The reas on ___ he was abse nt from the meeti ng was __ h is car broke dow n on the way. A that; because B why; that C that; that D for; that 10 Is the river ____ through that tow n very large? A which flows B flows C that flow ing D whose flows 11 The teacher told me that the stude nts I wan ted to see were seen football on the playgro und just now. A playi ng B to be playi ng C play D to play 12 The red rose is the only one _____ I real like. A which B who C that D whom 13 All the apples ____ fell dow n were eate n by the pigs. A those B which C what D that 14 Don't forget the day ____ you were received into the Youth League. A whe n B that C at which D where 15 I prefer ______ at home to ______ outside. A stay ing, play ing B to stay, play C stay ing, play D to stay, play ing 16 The box is ____ what I saw in the shop. A same as B the same like C the same that D the same as 17 The pen _____ she writes letters is broke n. A which B that C with which D by which 18 Would you like to ____ us in our discussi on. A take part in B join C tak ing part in D joi ning A you can do B can you do C you can do to D can you do to A to cry; to cry B cry; cry C to cry; cry D cry; to cry D raised D which 中考英语易错题集锦 一、名词、冠词 1.– What can I do for you? -- I’d like two _______. A. box of apple B. boxes of apples C. box of apples D. boxes of apple 答案: B. (选择其它三项的同学要注意仔细看题.不要马虎, 这里box 和apple都是可数名词) 2.Help yourself to _________. A. some chickens B. a chicken C. some chicken D. any chicken 答案: C (选择A的同学要注意chicken当鸡肉讲时不可数) 3..________ it is today! A. What fine weather B. What a fine weather C. How a fine weather D. How fine a weather 答案: A. (选择B的同学要注意weather不可数. 选择C和D的同学要注意weather是名词, 要用what来感叹.) 4.Which is the way to the __________? A. shoe factory B. shoes factory C. shoe’s factory D. shoes’ factory 答案: A. (选择D的同学注意这里不是指名词所有格, 而是名词作形容词的用法.类似的用法如: pencil box; school bag等.) 5.This class ________ now. Miss Gao teaches them. A. are studying B. is studying C. be studying D. studying 答案: A. (选择B的同学要注意, 当这种概念名词当“人”讲的时候要做复数处理.类似的还有: the police are running after the thief等) 6.We will have a _________ holiday after the exam. A. two month B. two-month C. two mo nth’s D. two-months 一、初中物理热学问题求解方法 1．物理兴趣小组的同学在研究“沙子和水谁的吸热本领大”时，选用了两只完全相同的酒精灯分别给质量都是200g 的沙子和水加热。他们绘制出沙子与水的温度随加热时间变化的图像如图所示。已知水的比热容是4.2×103J/(kg·℃)，问： (1)图a 、b 中，哪个是沙子吸热升温的图像？ (2)加热2min ，水吸收了多少热量？ (3)试求出沙子的比热容。 【答案】(1)图a ；(1)4.2×104J ；(1)0.9×103J/(kg·℃)。 【解析】 【分析】 (1)用两只完全相同的酒精灯，分别给水和沙子加热，这样做的目的是使水和沙子在相同时间吸收相同的热量，再利用公式Q t cm ?= 进行分析； (2)从图像可知，加热满2min ，水的温度从20℃上升到70℃，从而可知和水的温度变化，已知水的质量和比热容，可利用公式Q cm t =?吸计算水吸收的热量； (3)相同时间内酒精灯燃烧放出相同的热量，所以2min 水和沙子吸收的热量也相同，由图a 得出沙子温度的变化量，再根据Q c m t =?计算沙子的比热容。 【详解】 (1)由题知，沙子和水的质量相等，且沙子的比热容比水小，吸收相同热量时（加热相同时间），由公式Q t cm ?=可知，沙子升高的温度多，所以图a 表示的是沙子吸热升温的过程； (2)由b 图像可知，加热满2min 时，水的温度从20℃上升到70℃，则加热满2min 时水吸收的热量： ()()344.210J/kg 0.2kg 7020 4.210J Q c m t =?=????-=?水吸水水水℃℃℃； (3)相同时间内酒精灯燃烧放出相同的热量，在2分钟的时间内,沙子吸收的热量： 44.210J Q Q ==?沙吸水吸， 因加热2min ，沙子的温度从20℃上升到250℃，由Q cm t =?吸可得，沙子的比热容： 最新中考英语语法单项选择易错题精选20题 （附解析） 1.____is well-known that Taiwan is part of China. A. It B. That C. What D. As 2.____ is clear to us all, students should obey the school’s rules. A. As B. What C. Which D. It 3.____ is known to all is that China is a developing country. A. What B. As C. Which D. It 4.Mao Zedong was born in Shaoshan, ____ now is a place of interest. A. which B. as C. it D. that 5.He spent as much time as he could ____ the experiment. A. do B. to do C. did D. doing 6.He did what he could ____ his mother do some housework. A. to do B. do C. did D.doing 7.Stay ____ you are. I’ll be back soon. A. in which B. where C. there D.at the place which 8.He came to the second storey window, ____he could see what was happening across the rive. A. from which B. from it C. which D. from where 9.She is alone at home, so she has no one ____she can turn for help. A. whom B. / C. to who D.to whom 10.____advice will you fellow? A. Whose else B.Who’s else C. Who else’s D. Who’s else’s 11.He came to the shop,_____was tightly closed. A. who’s door B. which door C. its door D. the door of which 12.He was praised____what he did. A. because B. be came of C. for the reason D. as 13.The reason ____he was turned down is ____he had no money. A. why;that B. why;because C. that;why D. that;because 14.He found ____honor to be invited to give a talk here. A. that it an B. that an C. it a D. it was an 单项选择 ( )1. old lady in red is university professor. A. An; a B. An; / C. The; a D.The; an ( )2.--- Mom, could you buy me a dress like this? --- Certainly, we can buy one than this, but this. A. a worse; as good as B. a better; better than C. a more important; not as good as D. a cheaper; as good as ( )3.Could you tell me ? A. what she had done with the newspaper B. what the matter is with him C. which is the way to the nearest hospital D. which gate I should go ( )4.--- Who will send you to the new school, your mom, your dad or your uncle? --- . I’ll go there by myself. A. All B. Either C. Neither D. None ( )5. I can still remember the sitting-room my mother and I in the evening. A. which; used to sit B. /; used to sit in C. that; used to sitting in D. /; are used to sitting ( )6. Everyone went to the movies me last night. I had to do my homework. A. by B. except C. including D. besides ( )7. he doesn’t hurt his leg, Jim will win the race. A. Although B. Since C. When D. If ( )8. I have just my book but I can’t find my notes in it. A. looked for B. looked after C. looked up D. looked through ( )9. ---Could you tell me ? --- Walk along the street and turn left at the first crossing. A. how I could get to the bank B. how can I get to the bank C. how to reach to the bank D. the direction of the bank ( )10. I was so busy with my schoolwork that I had time to play with my friends in those days. A. little B. a little C. few D. a few ( )11. ---How big is your office? --- Well, the of the office is 35 square meters. A. place B. area C. space D. room ( )12. ---Would you like to go to Mount Qian with me ? --- A. Not at all. B. Yes, I had love to. C. Yes, I’d love. D. Why not? ( )13. ---Have you ever visited the Maldives, Mr Hanson? --- Yes, I there with my wife last summer. A. have visited B. visited C. would visit D. visit ( )14. My grandma is so kind that she always does what she can people. A. help B. helps C. to help D. helping ( )15. fresh air! The haze has gone and the sky is clear. A. What B. How C. What a D. How a 中考英语典型易错题精选 1、It is _______ outside、Let’s put on our raincoats and go out, Tom、 A、 cold B、 hot C、 sunny D、 rainy 【解析】 此题易误为A。因为这里有个put on短语，如果不注意raincoats这个词那就很可能草率地选择A。raincoats是“雨衣”的意思，而不是一般的衣服，那么不是因为外面“冷”，而是因为“下雨”才穿“雨衣”。正确答案为D。 2、 The flowers and the green trees、 A、 How, like B、 How, think C、 What, think D、 What, like 【解析】 此题陷阱选项为A或B或C。这是由于忽略语境造成的。由答语The flowers and the green trees、可知，所问的是“你喜欢春天的什么?”而不是“你觉得春天怎么样?”。正确答案为D。 3、 _______、 A、 She is a worker B、 She likes pears C、 She is very thin D、 She is like her father 【解析】 此题陷阱选项为B或D。有很多考生一看题干中的like一词就会想当然地选择B或D。其实，问句的意思是“你姐姐长得怎么样?”因此，正确答案为C。What’s … like? 这个句型常常用来询问某人的长相或某事的情况(包括天气情况)。 4、 _______、 Please do it now、 A、 to open, OK B、 opening, Certainly not C、 opening, Of course D、 to open, Good idea 【解析】 此题陷阱选项为A。一方面是由于不了解mind的用法，另一方面的由于忽略造成的。mind后面接动词时要用其ing形式。由答语中的Please do it now、可知“不介意”。正确答案为B。 5、 _______、 A、 I am glad to hear that B、 I will、 thank you very much、 历年中考数学易错题汇编 一、选择题 1、A 、B 是数轴上原点两旁的点，则它们表示的两个有理数是（ ） A 、互为相反数 B 、绝对值相等 C 、是符号不同的数 D 、都是负数 2、有理数a 、b 在数轴上的位置如图所示，则化简|a-b|-|a+b|的结果是（ ） A 、2a B 、2b C 、2a-2b D 、2a+b 3、轮船顺流航行时m 千米/小时，逆流航行时(m-6)千米/小时，则水流速度（ ） A 、2千米/小时 B 、3千米/小时 C 、6千米/小时 D 、不能确定 4、方程2x+3y=20的正整数解有（ ） A 、1个 B 、3个 C 、4个 D 、无数个 5、下列说法错误的是（ ） A 、两点确定一条直线 B 、线段是直线的一部分 C 、一条直线是一个平角 D 、把线段向两边延长即是直线 6、函数y=(m 2-1)x 2-(3m-1)x+2的图象与x 轴的交点情况是 ( ) A 、当m ≠3时，有一个交点 B 、1±≠m 时，有两个交 C 、当1±=m 时，有一个交点 D 、不论m 为何值，均无交点 7、如果两圆的半径分别为R 和r （R>r ），圆心距为d ，且(d-r)2=R 2，则两圆的位置关系是（ ） A 、内切 B 、外切 C 、内切或外切 D 、不能确定 8、在数轴上表示有理数a 、b 、c 的小点分别是A 、B 、C 且b中考英语单选易错题(教师版)
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