Unit 4错题卷葛忠熠
一、单项选择
()1、Excuse me,where is the hospital,please? (u4B卷)--- the hospital,turn right when you come to the first crossing.
A. Get to
B. Get
C. To get to
D. To get
()2、The little elephant is afraid to walk alone. He always walks his mother. (u4 随)
A. beside
B. besides
C. below
D. under
()3、Do we need more milk? —No,there is in the fridge. (u4 B卷)
A. plenty
B. a plenty
C. plenty of
D. a plenty of
()4、Go this street and take the second the right. (u4 随)
A. down;turning in
B. along;turn on
C. down;turning on
D. along;turn in
()5 We can get fresh water from rain,from rivers,or from the ground. (u4 随堂)
A. over
B. above
C. off
D. under
()6.He finds wallet on the floor. There is “s”on the corner of wallet.(u4 随)
A. a;an; the
B. a;a; the
C. an:an;an
D. the;a; a
二、单项填空
1Which turning do you need to ? (u4A卷)
三、完成句子
1.你打算为你的旅行准备些什么?(u4B卷)
2.记住在课上不要因其他同学发笑(u4B卷)
3.前方无路了,我们只好从这里下去。(u4 A卷)
4.我们在出口处还是电影院集合?(u4 A)
5.格林一家正在为晚餐准备食物和饮料(u4A)
七下英语易错题分析 1. She stayed at home and ______ an interesting movie. A. watch B. saw C. looked at D. see look, look at, see, watch 都有"看"的意思,但用法不同。 look为不及物动词,后面不能带宾语,常单独使用,以引起对方注意。如:look! There is a map on the wall. look at是由动词look 与介词at组成的词组,相当于及物动词,后面可以带宾语,侧重"看"的动作。例如:Look at the blackboard, please.请看黑板。 see为及物动词,意思是"看见",侧重"看"的结果。也可用于看电影,如:see a movie. watch 是及物动词,意思是"观看、注视",用来指注视移动着的物体,如看电 视、看球赛、看戏等。Watch TV watch a game 2. Linda, stop ________please! Your mother is sleeping A. to talk B. talking C. to talking D. talks stop to do sth. 停止,中断做某事后去做另一件事。stop doing sth. 停止正在做的事。 3. I ______ the art club in 2005. A. join B. joins C. joined D. joining 本题的时间状语是2005是过去时。所以谓语动词应该用一般过去时。 4. It’s time ______ dinner. A. to B. for C. of D. with it's time to do sth 到该做某事的时间了。(有强迫性的意思)而且to后跟的是动词原形:It's time to have lunch. 过去时:It was time to do. It's time for doing sth是做某事的时候了 for后跟的是名词或动词的ing形式:It's time for lunch It's time for having lunch 5. She’d like _______ this evening. A. going to the movies B. go to the movies C. to go to the movies D.to going the movies Sb. Would like to do sth. 某人想要做某事。如:He’d like to go with you. Would like sb. to do sth. 想要某人做某事如:I’d like you to go to the movies. 6. She is good-looking _______long black hair. She is _____a red hat. A. with; on B. has; wears C. with; wearing D. with; wears 7.My friend _______ a pair of sunglasses but I am _____a pair of dark glasses. A. with, wear B. wear, with C. wears, wear D. wears, with be with= wear 穿戴;留有。或者用be wearing ;用了be 动词就不能再用wear/ wears. 8. Henry goes shopping every week, but nobody _____ him. A. know B. knowing C. knows D. knows nobody; anybody; everybody; someone; each; every one等不定代词; 不可数名词,Ving形式做主语时,如果在一般现在时中,动词都用三单形式。 9.Old Henry _______ his loved dog last night, but he didn’t ______ it. A. looked for, find B. found, looked for C. found, find D. looked for, look for Look for 强调寻找的过程,find指寻找的结果。类似的listen to 强调听的过程,hear强调听的结果。 10. I had a busy weekend, I saw an interesting talk show and ______ a book about history. A. read B. reads C. reading D. to read
七年级下学期英语试卷 第四单元错题汇总 一、单项选择。 ()1.There isn’t _______ bread at home . A.a B.an C.some D.any ()2. ________ will he stay in this city ?Two months. A. How long B. How many C. How much D. How far ()3. Hurry up, ________ You’ll be late. A. and B. so C. or D. if ()4. That boy is simon,and the girl next to________ is Amy . A. he B. his C. him D. she ()5. Is there a new book on the table . ________. A. Yes,it is B. No,it isn’t C. Yes,there is D.No,there isn’t ()6. ________ the second turning on the right . A.Turn B. Take C. Go D.Walk ()7.What do you think of________ film about Zhan Tianyou ? It’s ________good film. A.the;the B. a;the C. the;a D. a;a 二、填空。 1.The students stopped (laugh)when the came into the class. 2.The police (抓住)the robbers yesterday. 3. Li Le,our (班长)helped the police catch the robber. 4. Take the second __________(拐弯) on the left. 5.There is less t__________ in this area than in Nanjing. 6.There is a hospital (cross) the street. 7.Several men are standing at the c ,talking to some police officers. 三、句型转换。 1.All of us are teachers.(否定句) _________ _________ of us are teachers? 2.Is that their car?(同义句)
7 Series FPGAs Overview 参考ds180_7Series_Overview.pdf。 1.General Description 7系列包括Artix 7、Kintex 7和Virtex 7。其中Artix 7面向较低端应用,功耗低,价格低,封装小;Kintex 7面向中端应用,性价比更高,性能约比Artix 7提高2倍;Virtex 7面向高端应用。 采用28nm工艺。 2.Summary of 7 Series FPGA Features ●Real 6-input look-up table(LUT) technology configurable as distributed memory. ●SelectIO technology with support for DDR3 interfaces up to 1866Mb/s. ●600Mb/s to 6.6Gb/s up to 28.05Gb/s. ●包括一个用户可配置的ADC(双12位,1MSPS的ADC),芯片内部集成热和电源传感器。 ●DSP slices with 25×18 multiplier, 48-bit accumulator, and pre-adder.
●Powerful clock management tiles(CMT), combining phase-locked loop(PLL) and mixed-mode clock manager(MMCM) blocks for high precision and low jitter. ●支持PCIe的endpoint和root port,支持gen3。 ● 1.0V核电压,当需要达到更低的功耗时,可配置0.9V核电压。 3.CLBs, Slices, and LUTs 7系列的FPGA可将任意一个查找表配置为6输入查找表(64bit ROM),或配置为2个5输入查找表(32bit ROM)。这两个5输入查找表共享地址和逻辑输入,每个查找表的输出有一个可选寄存器。 4个6输入LUT,8个寄存器以及相应的乘法器、算数进位逻辑组成一个slice,2个slice
七年级英语下册易错题分析附答案
七下英语易错题分析 1. She stayed at home and ______ an interesting movie. A. watch B. saw C. looked at D. see look, look at, see, watch 都有"看"的意思,但用法不同。 look为不及物动词,后面不能带宾语,常单独使用,以引起对方注意。如:look! There is a map on the wall. look at是由动词look 与介词at组成的词组,相当于及物动词,后面可以带宾语,侧重"看"的动作。例如: Look at the blackboard, please.请看黑板。 see为及物动词,意思是"看见",侧重"看"的结果。也可用于看电影,如:see a movie. watch 是及物动词,意思是"观看、注视",用来指注视移动着的物体,如看电 视、看球赛、看戏等。Watch TV watch a game 2. Linda, stop ________please! Your mother is sleeping A. to talk B. talking C. to talking D. talks stop to do sth. 停止,中断做某事后去做另一件事。stop doing sth. 停止正在做的事。 3. I ______ the art club in 2005. A. join B. joins C. joined D. joining 本题的时间状语是2005是过去时。所以谓语动词应该用一般过去时。 4. It’s time ______ dinner. A. to B. for C. of D. with it's time to do sth 到该做某事的时间了。(有强迫性的意思)而且to后跟的是动词原形:It's time to have lunch. 过去时:It was time to do. It's time for doing sth是做某事的时候了 for后跟的是名词或动词的ing形式:It's time for lunch It's time for having lunch 5. She’d like _______ this evening. A. going to the movies B. go to the movies C. to go to the movies D.to going the movies Sb. Would like to do sth. 某人想要做某事。如:He’d like to go with you. Would like sb. to do sth. 想要某人做某事如:I’d like you to go to the movies. 6. She is good-looking _______long black hair. She is _____a red hat. A. with; on B. has; wears C. with; wearing D. with; wears
七年级下学期错题集(6) 词汇语法部分 ( )1.Shanghai is one of ______ in the world https://www.wendangku.net/doc/2311506531.html,rgest city B.the largest cities https://www.wendangku.net/doc/2311506531.html,rgest cities D. the large city ( )2.Shenzheng is ______ its beautiful views. A.known as B.famous for C.know as D.knew as ( )3.Tom never goes to the cinema on Sunday,_____? A.does he B.doesn’t he C.isn’t he D.is he ( )4.A:I’d like to see “Police Story”.I like action films B:______ A.So do I B.Neither do I C.So am I D.Neither am I ( )5.A:Where is Tom? B:He______ to the teachers’ office. A.have gone to B.has been to C.went to D.has gone ( )6.My brother has _______ books than I. A.fewer B.few C.little D.less ( )7The boy was born____ the afternoon of July 5th. A.in B.on C.at D.for ( )8.___do you _____the visit to the Bund? --It’s is wonderful. A.What like B.What think of C.How think of D.How think ( )9.Alice is good at_____.She wants _____ a singer in the future. A.singbe B.sing to be C.singing be D.singing to be ( )10.we______ anything there A.needn’t B.needn’t to buy C.don’t need buy D.don’t need to buy ( )11.It took him_____ to finish the hard job. A.two and a half days B.a half and two days C.two day and a half D.two and half days. ( )12.He_____ here since last year. A.has been in B.has been to C.was D.has been ( )13..The teacher told his students _______ because it was bad for their health A.didn’t smoke B.to not smoke C.not to smoke D.not smoke ( )14I don’t know if it will come back tomorrow。If he___ tomorrow. I____you. https://www.wendangku.net/doc/2311506531.html,es will call B.will come will call https://www.wendangku.net/doc/2311506531.html,es call D.will come call ( )15.What will you do if it_____ tomorrow. A.doesn’t rain B. not rain C.don’t rain D.not rains ( )16.How are you ______your tour guide? A.get on B.get on with C.getting on with D.getting on ( )17.____great fun it is to have a picnic in spring! A.How B.What C.What a D.How a ( )18.She usually prepares lessons very late_______ midnight A.at B.after C.before D.until ( )19._____ beautiful the flowers are! A.What B.What a C.How D.How a ( )20.Hiow much did every child ___________ for a film ticket? A. cost B.pay for C.paid D.spend ( )21.Take your glasses with you,_____you won’t enjoy the play. A.so B.or C.and D.therefore ( )22.Peter decides____to Beijing with his sister. A.go B.to go C.gone D.going ( )23.It’s fun____ a bicycle with my father in the park. A.to ride B.riding C.rides D. ride
Unit 5 why do you like pandas? Section A 1. Let’s see the pandas first. Let’s = Let us (1)祈使句句型Let sb. do sth. 让某人做某事。表示说话人的建议。 (2)肯定回答: OK / All right / Yes, let’s… / Good idea. 否定回答: Sorry, I… Let’s go to the zoo to see the animals. 让我们去动物园看动物吧。 Sorry. I have no time. 对不起,我没时间。All right. I like animals. 好的,我喜欢动物。 (3)其他提建议的句型 a.Shall we do...? 我们做...好吗? b.Why don’t you do ...?=Why not do ...? 为什么不做某事呢? c.What/How about doing sth? 做某事怎么样? (4)让某人做某事:let sb do sth 2.favorite=like best What’s one’s favorite...?=What ...does/do sb like best? 3. Why do you want to see the lions? Because they’re cute. (1)由why提问的问句,要用because来回答 (2) because 不能和so同时出现 (3)why=what...for...? (4)Why do/does 主语+do+其他? 4.want v (1) want sb to do something 想让某人做某事(2)want to do sth 想做某事 (3) want to be ... 想成为(4)want sth 想要某物 5.kind (1) n 种类,类型,类别 a kind of 一种all kinds of = different kinds of各种各样的 Bamboo is a kind of grass. 竹子是一种草。 There are all/different kinds of fruits in that store. (2)adj 和蔼的,亲切的be kind to sb 对...好 (3)in kind 用实物(支付) Farmers often like to pay their bills in kind.农民往往愿用实物抵账。 (4)kind of = a little = a bit 有点,稍微, 有几分(修饰adj或adv),kind of 作状语 I think pandas are kind of lazy.(修饰adj)我觉得熊猫有点懒。 This math problem is kind of / a little / a bit difficult to him. (修饰adj)这个数学题对他来说有点难。He speaks kind of / a little / a bit fast.他说话有点快。(修饰adv) (5)It’s kind of sb to do sth 某人做某事真是太好了 6.like (1)v 喜欢 A.like+名词/代词喜欢某人或某物 Tom likes fish very much.汤姆非常喜欢鱼。 Mr Wang is a good teacher.We all like him. 王老师是个好老师,我们都喜欢他。 B. like to do sth. (偶尔或具体地)喜欢做某事偶尔一次的爱好=want I like to swim with you today.今天我喜欢和你一起去游泳。 C. like doing sth. (经常或习惯地)喜欢做某事长期性的爱好. He likes singing.他喜欢唱歌。 D. like sb. to do sth.喜欢某人做某事 She likes them to ask questions like this. 她喜欢他们像这样问问题。 E.would like to do sth. (=want to do sth.) 想要做某事 I'd like to go shopping with you.我想要和你一起去买东西。 F.would like sb. to do sth.想要某人做某事
新版7B英语易错题整理 一、根据中文或者首字母提示写单词 1.Nine and eleven is t________. 2.We use k_______ to cut things. 3.I want to buy a new washing m__________. 4.That R_________ girl is his cousin. 5.Plants can’t grow w______ sunshine. 6.People are s____ the forest for the lost child. 7.She was sad because he f____in her English exam. 8.The baby panda w_______ about 35 kilograms 二、选择题. 1、——Can you find ________ to help us ? ——Yes, Jim is coming. A. someone B. anyone C. no one D. everyone 2、When your father ________ here tomorrow, I _______ you. A. will come; will tell B. comes; tell C. comes; will tell D. will comes; tell 3、_______ his brother, Jim ________ watching TV too. A. Liking; likes B. Like; likes C. Liking; is like D. Like;liking. 4、You look worried! Is ______ all right? A. everything B. something C. anything D. nothing 5、——Do you need my help, Mary? ——__________. A. Yes,please. B. I’d love to C. Never mind D. Well done 6、——What will you do if it ________ tomorrow? ——We have to carry it on, since we’ve got everything ready. A. is raining B. rains C. will rain D. rain 7、My trousers _____ too cold. I want to buy a new ______. A. is, trousers B. is , pair C. are ,pair D. are, it 8、I need a chair ________. A. sit B. to sit C. sitting D. to sit on 9、The book will make you ____________ A. interested B. interest C. interesting D. to interest 10、You’d better speak in a low________. A. sound B. noise C. voice D. whisper 11、He has only ______ friends, so he often plays with himself. A. a few B. a little C. few D. little
苏教版初一下学期英语错题集(二2) 2011.04.17 一、翻译词组(或写出单词)。 1. 许多不同的中餐馆 2. 运动中心 3. 很少的空气污染 4. 西餐馆 5. 像这样的高楼 6. 其他的什么 7.在……旁边 8. 了解不同国家的家 9. : the place you usually eat meals in (根据英文解释写相应英文单词) 10.获得第一 二、根据汉语提示完成下列句子。 1. 上个星期那些孩子在公园里玩得很开心。 Last week ,the children in the park. 2. 其他房间在底低楼和一楼。 The other rooms are . 3. 长途火车旅行之后他一定很累。 He after . 4. 你今天想去书店吗? you go to the bookshop today? 5. 二楼没有其他的房间。 There are on the floor. 6. 西蒙在三楼有一个电脑房。 Simon a computer room the floor. 7. 我理想的房子有60米长,40米宽。 My long and wide. 8. 一半以上的成员反对这个计划。 of the members are against the plane. 三、根据句意,首字母或中文提示完成单词。 1. Elephants are the biggest animals on l .
2. Are there any s for my uncle on the table? 3. We all like to go for a picnic in the open a . 4. I traveled in Beijing and bought many s . 5. There are two big s in the town. You can go shopping until ten o’clock at night. 6. The plane (离开) at 12:30. 7. Mr. Smith t us Maths last term. 8. John liked to w his hair very long. Some of his friends t it looked Like a girl’s hair. 9. The room is too small. We even don’t have enough space for a f . 四、用适当的介词或介词短语补全下面的句子。 1. Amy and I always walk home together because her home is mine. 2. It’s cold but warm in winter in Liaoning. 3. the car, there is a man lying on the road, so it can’t move. 4. — Can I take a message you? — Sure. 五、单项选择。 ()1. I’m sorry I can’t your name. A. think about B. think out C. think over D. think of ()2. Tony got up early get the first bus. A. so as that B. in order to C. in order that D. that ()3. — go fishing after we finish our homework? — Good idea. A. Why not you B. Why not to C. Why not we D. Why not ()4. The tunnel is already open to traffic, so it will take us time to go to Pudong International Airport. A. less B. a few C. a little D. fewer ()5. Last night, there was a food accident. Ten were ill but no were lost. A. children; lives B. children; life C. child; lives D. child; life
Unit 2 Neighbours 一、根据中英文释义或首字母写出单词。 1.Amy lives next to me. We are n . 2.There are many interesting places in my hometown. Many v come here every year. 3.My mother (担心) about her granny’s health very much. 4.We often look for some (信息) on the Internet. 5.Which colour do you like b , blue or yellow? 6.You will feel (生病的) after having too much sea food with beer. 7.--How long does it take G44 to get to Xuzhou from Nanjing? --Let’s c it on the Internet. 8.Thousands of (游客) come to the Palace Museum every day. 9.There are a lot of (公司) in Sunshine Town. 10.I think different people have different (the ability to do something well). 11.The volunteers are going to work in two (社区) this Sunday. 12.Be careful! The window glass is (损坏的). 13.Jack has a dog just (像) yours. 14.There are supermarkets, r and a hospital around my school. 15.Is there any p talking in the house? Do you hear the voice? 二、选词填空。 1.--Does your father go to work by car? --No. He wants to live green life and always go to work on bus. (a, /) 2.The song great, let’s to it, can you it? (hear ,sound ,listen)
Unit 5 Why do you like pandas? 本单元重点短语 kind of 有点,稍微 a kind of 一种 want sb to do sth 想要某人做某事want sth 想要某物 let sb do sth 让某人做某事like to do sth 喜欢做某事 play with 与....一起have a look it ...看.... every day 每天(be) made of 由....制成的 cut down 砍倒be quiet 安静 get lost 迷路be in (great)danger 处于(极大)危险中 本单元日常用语归纳 1.--Why do you like pandas? 你为什么喜欢熊猫? ---Because they’re very cute.因为它们非常可爱。 2.--What animal do you like ?你喜欢什么动物? --I like elephants. 单元语言知识精讲 1.kind of 有点,稍微,用来修饰形容词。 Why do you like pandas? --Because they are kind of interesting.因为它们有点儿有趣。 辨析:kind of a kind of all kinds of ①kind of “有点,稍微”与a little 同义 The monkey is kind of smart.这只猴子有点聪明。 ②a kind of “一种....” This is a kind of pen.这是一种钢笔 ③all kinds of “各式各样的” I like all kinds of flowers. 我喜欢各式各样的花。 考考你: 用kind of a kind of all kinds of 1.The pig is _______animal. 2.We have ______beautiful flowers in our school. 3.Koala are _____shy. 2.interesting 和interested 的用法区别 ①interesting 用来表示“使人感兴趣的”,所修饰或说明的对象是物(sth) Panda is a kind of interesting animal. The movie is very interesting. ②.interested 用来表示对某事物的的兴趣。主语通常为人, 通常与in连用,构成短语be interested in ....对...感兴趣。 He is interested in math.他对数学感兴趣。
八年级下册英语 易错题答案 一、选择题 1、Did you go to Zhou Jielun’s concert last night? Yes . The concert was wonderful and it A a beautiful song. (end wiht …以……结尾,且本题应使用一般过去时) A.ended with B. ends with C. ends of D. ended of 2、When we feel disappointed, Mr. Ye can always B . Yeah, he’s really cool! A. cheers us up B. cheer us up C. cheers up us D. cheer up us (cheer up 使振作起来,代词作宾语时,置于cheer up中间,且情态动词can后接动词原形) 3、Kangkang failed B last math exam because he was careless. A. pass B. to pass C. finish D. to finish (fail to do sth. 没能做某事;pass the exam 考试及格) 4、The girl is still crying A her father gives her lots of toys and chocolate. A. even though (即使) B. because C. but also D. if 5、Is that your best friend Sally?No, it B be her. She flew to Hong Kong yesterday. A. mustn’t B. can’t (表示否定的推测) C. may not D. must 6、I will never forget the accident C it happened five years ago. A. only if B. only when C. even though (even if 即使的意思,即使那个可怕的事故发生在很久以前了,我仍然忘不掉它) 7、People there have heart trouble and other kinds of health problems D this month. A. On B. At C.In D. During (只有during可跟时间段) 8、How many people are there in the school? C.They all went to the theater. A、Nobody B、No one C、None (nobldy“没有人”,相当于no one,可回答who引导的问句。none“没有人或物”,指三个或三个以上数量的人或物,可回答how many/how much引导的问句。由句意和all可推断选none。) 9、It rang and rang. Her mother heard the C . “Why don’t you answer the telephone, Sue?” she asked. A、voice(嗓音) B、cry(哭声) C、sound (声音,电话声音用sound)
Unit5名词: panda 熊猫zoo 动物园tiger 老虎elephant 大象lion 狮子giraffe 长颈鹿animal 动物 kind 种类 Australia 澳大利亚 Africa 非洲 pet 宠物 leg 腿 cat 猫 flag 旗;旗帜 place 地点;位置 water 水 danger 危险 tree 树 动词: save 救forget 忘记cut 砍;切kill 杀死 形容词: cute 可爱的;机灵的lazy 懒散的;懒惰的smart 聪明的 beautiful 美丽的;美好的 friendly 友好的 shy 害羞的;腼腆的 介词: over 超过;多于;在……正上方 兼类词: south adj 南方的;n 南;南方sleep v&n 睡觉down adv (坐、躺、倒)下;prep 向下;沿着 短语: kind of 稍微;有点儿South Africa 南非get lost 迷路cut down 砍倒 be in(great)danger 处于(极大)危险之中(be)made of 由……制成的 知识点: 1、Let's do sth 让我们做某事吧!Let's = Let us Let's not do sth 让我们不要做某事! Let's go swimming!咱们去游泳吧! Let's play soccer!咱们去踢足球吧! Let's not tell him. 咱们不要告诉他。
Let's not play volleyball. 咱们不要打排球。 Let's go shopping!咱们去购物吧! 答语:接受建议:Good idea./Sure./OK. 不接受建议:Sorry, I…… 2、favorite adj. 最喜爱的;特别喜爱的 n. 最喜欢的人或事物 What's your favorite + 名词?=What + 名词+ do you like best?你最喜欢的……是什么? My favorite + 名词+ is/are……我最喜爱的……是…… 名词+ is/are my favorite. ……是我最喜爱的。 What's your favorite food ?=What food do you like best?你最喜欢的食物是什么? What's your favorite animal?=What animal do you like best?你最喜欢的动物是什么? My favorite food is apple. 我最喜欢的食物是苹果。 My favorite animal are pandas. 我最喜爱的动物是熊猫。 Ice cream is my favorite. 冰淇淋是我的最爱。 3、Why引导的特殊疑问句,用来询问原因 问:Why + 一般疑问句? 答:Because + 原因。 Why do + I/you/we/they/复数+ 动词原形+ 其他?为什么我/你/我们/他们/复数……? Why does + he/she/it/单数+ 动词原形+ 其他?为什么他/她/它/单数……? Why don't + you/we/they/复数+ 动词原形+ 其他?为什么我/你/我们/他们不……? Why doesn't + he/she/it/单数+ 动词原形+ 其他?为什么他/她/它/单数不……? —Why do you like P.E.?—Because it is interesting. —为什么你喜欢体育?—因为它令人兴奋。 —Why does she like pandas?—Because they are cute.—为什么她喜欢熊猫?—因为它们很可爱。 —Why don't they like the movie?—Because it's boring.—为什么他们不喜欢这不电影?—因为它很无聊。—Why doesn't he play tennis?—Because it's difficult.—为什么他不打网球?—因为它太难了。 4、because表述原因 I like elephants because they are clever. 我喜欢大象,因为它们很聪明。 I don't like this movie because it's boring. 我不喜欢这个电影,因为它太无聊了。 注意:because和so不能同时出现在一个句子里。 Because the sweater is too expensive, so I don't want to buy it. (×) I don't want to buy the sweater because it is expensive. 我不想买这件毛衣,因为它太贵了。