高考英语二轮复习 专题12 特殊句式(含解析)
应对区爱护学校高考英语二轮复习 语法猜题专练特殊句式(祈使句感叹句略句)高三全册英语试题
应对区爱护学校特殊句式（祈使句、感叹句、省略句）单句语法填空1、—I probably shouldn’t have any more cake.—Oh, __________(go) ahead. It won’t kill you.2、One more hour I’ll get the work finished.3、me tomorrow and I'll let you know the lab result.4、A bit more effort, I think, you will settle the problem.5、______ (make) what you’re doing today important, because you’re trading a day of your life for it.6、What__________shame! In the end, we couldn’t help collecting the rubbish before we left.7、__________ nice a day it is to go to swim!8、—I'm sorry to tell you that you made a mistake in your test.—How can that be? I did it as (tell) in class.9、The government recognizes the legality of the organizations and offers support and guidance when__________(request).10、If__________(ask) to look after luggage for someone else, inform the police at once.单句改错11、Listen carefully and you’ll miss something important._____________________________________________________________________12、Speaking clearly, or you will make yourself misunderstood._____________________________________________________________________13、Only a few days after I arrived in the UK did I realize what changeable the weather was.__________________________________________________________________________________________________________________________________________14、How fun it is to swim in the river._____________________________________________________________________15、When asking how he knew where they were, Henry laughed and pointed to a student who was wearing an MIT sweatshirt.__________________________________________________________________________________________________________________________________________16、Though face great pressure, the speakers bravely overcame it._____________________________________________________________________17、What he said made me recognize how silly mistakes I had made._____________________________________________________________________18、Follow these tips, your time spent doing research on the Internet will be much more worthwhile. __________________________________________________________________________________________________________________________________________19、Knocking at the door before you come in._____________________________________________________________________20、Take the chance and you will regret it._____________________________________________________________________单项选择21、______ the instructions on the packet when you take the drug, and the drug, I think, will work soon.A.FollowB.To followC.FollowingD.Followed22、—English has a large vocabulary, hasn’t it?—Yes. more words and expressions and you will find it easier to read and communicate.A.KnowB.KnowingC.To knowD.Known23、______ he had at the zoo yesterday!A.Such a wonderful timeB.So wonderful a timeC.What a wonderful timeD.How wonderful time24、I hope it will be fine this Sunday. __________,we’ll go for an outing.A.If notB.What ifC.Why notD.If so25、Generally speaking,____ according to the directions,the drug has no side effect.A.when takingB.when takenC.when to takeD.when to be taken语法填空26、If you feel stressed by responsibilities at work, you should take a step back and identify (识别) those of ①__________(great) and less importance. Then, handle the most important tasks first so you’ll feel a real sense of ②__________(achieve). Leaving the less important things until tomorrow ③__________(be) often acceptable.Most of us are more focused ④__________our tasks in the morning than we are later in the day. So, get an early start and try to be as productive ⑤__________possible before lunch. This will give you the confidence you need to get you through the afternoon and go home feeling accomplished.Recent ⑥__________(study) show that we are far more productive at work if we take short breaks ⑦__________(regular). Give your body and brain a rest by stepping outside for ⑧__________while, exercising, or dong something you enjoy.If you find something you love doing outside of the office, you’ll be less likely ⑨__________(bring) your work home. It could be anything-gardening, cooking, music, sports—but whatever it is, ⑩__________(m ake) sure it’s a relief from daily stress rather than another thing to worry about.短文改错27、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短文。
专题12 高考真题熟词生义+阅读完形高阶单词短语100例+定语从句微技能+读后续写“说”表达法背默+
43.taste熟义:vt.___________生义:n.___________
(2020•新高考卷•C)...on his way to Bukhara he gets atasteof police methods when suspected of drug dealing.当他在去布哈拉的路上被怀疑涉嫌贩毒时，他体验到了警察的办案方式。
既然你已经列出了自己的优点，那就列出你的缺点吧。
41.story熟义:n.___________生义:n.___________
(2020•全国Ⅲ卷•C)Storieslike that are more common in parts of the world where multigenerational living is more firmly rooted.
自1679年起就为Hasell家族所拥有，也是国际果酱节的发源地。
32.number熟义:n.___________生义:vi.___________
(2020•全国Ⅲ卷•D)The Bajau, as these people are known,numberin the hundreds of thousands in Indonesia, Malaysia and the Philippines.
像这样的新闻报道在世界上的一些地方更为常见，这些地方几世同堂生活在一起的想法根深蒂固。
42.style熟义:n.___________生义: n.___________
(2020•全国Ⅱ卷•C)Unusual fashion shows in New Orleans and Brooklyn have showcased nutria fur made into clothes in differentstyles.
高考英语-特殊句式-专题练习(十二)(含答案与解析)
高考英语专题练习（十二）特殊句式易错雷区1．Not until I returned ________ I realize that a quiet town life was the best for me.2．It took years of work ________(reduce) industrial pollution and clean the water.3．It asks you to act like water to be flexible as well ________ strong.4．The ________(hard) you try to beat him, the more likely you will get hit.5．Go to the village and buy some salt, but pay a fair price for it neither too much ________ too little.6．They will be as difficult and painful ________ holding a hot potato.7．He loved the 4th wife the most. He took great care of her and gave her nothing ________ the best.8．And I'd like to know why Chinese people use chopsticks. ________ not knives and forks, like Americans? 9．So long as we have some, that's enough. And we can learn ________ to spend money.10．Sometimes hunger hit me so severely ________ I regarded dried sweet potato slices as delicious snack.易错起源1．强调句的正确运用例1．It was when we were returning home ________ I realized what a good feeling it was to have helped someone in trouble.A.which B．that C．where D．how易错起源2．倒装句的正确运用例2．Only when Lily walked into the office ______ that she had left the contract at home.A．she realized B．has she realizedC．she has realized D．did she realize易错起源3．反意疑问句的用法例3．— I spent two weeks in London last summer.— Then you must have visited the British Museum during your stay._____ you?A．mustn’t B．haven’t C．didn’t D．hadn’t易错起源4．省略句的用法例4．________ the morning train, he would not have been late for the meeting.A．Did he catch B．should be catch C．has he caught D．Had he caught易错练兵1．Kate, run a bit faster, ______ you can catch up with all of your classmates.A．so B．andC．but D．or2．________, so he didn't come to school last week.A．Though he was ill B．Being illC．Having been ill D．He was ill3．He had to sell his luxury car, ________ his company was in debt.A．before B．untilC．while D．for4．________ for his action on the playing field, but he is also famous for the things that he does off the playing field.A．Not he is only known B．Not only is he knownC．Only is he known not D．He is only not known5．Relax yourself every day, ________ you'll be too tired to get good grades.A．and B．orC．for D．but6．Reality is not the way you wish things to be, nor the way they appear to be, ________ the way they actually are.A．as B．orC．but D．and7．No sooner ________ at the airport than she was surrounded by many reporters.A．has the star arrived B．the star has arrivedC．the star had arrived D．had the star arrived8．________, Guo Mingyi makes his effort to help those in poverty.A．Not rich although he is B．In spite of not richC．Though not rich D．As he is not rich9．The door opened and there________.A．entering our English teacher.B．entered our English teacherC．did our English teacher enterD．our English teacher entered10．Not until he failed in the last examination ________ he should have spent more time on study.A．did he realize B．he realizedC．did he not realize D．he didn't realize11．No. and that's not all. The bus was one hour late. Worse ________ it picked up passengers on the way to our destination.12．It's unnecessary and it's not important at all.We needn't care about it.It is one's inner beauty ________ matters.13．Yes, but it is not as easy ________ you imagine.14．Chopsticks may be made of any of the following materials: bamboo, wood, gold, silver, ivory, or plastic, and they may be ________ round or square.15．Radio has changed a lot since we were young. It used ________ be the major source of fun for the family.16．Tom: Yes. I think the underground is the most convenient way to travel in London.Mary: I think ________ too.17．Smoking not only does harm to their health ________ to others.18．Caroline: I think it was interesting. Joyce: ________ do I. I hear Mike is likely to win all the prizes in the exams this year.19．To be honest, I really can't understand how ________ people depend on that way to make friends. It's kind of risky.20．As far as I ________(concern),my suggestion is that we should always have a notebook and a Chinese-English dictionary within easy reach.特殊句式答案易错雷区1．did2．to reduce3．as4．harder5．nor6．as7．but8．why9．how10．that易错起源1．强调句的正确运用例1．B易错起源2．倒装句的正确运用例2．D易错起源3．反意疑问句的用法例3．C易错起源4．省略句的用法例4．D易错练兵1~5．BDDBB 6~10.CDCBA特殊句式解析1．考查倒装句.句意:直到回来,我才发现安静的小镇生活对我才是最好的.not until放在句首,后面的主句要倒装.因为谓语动词为实义动词realize,故要用助动词did并提到主语前面.2．考查固定表达.句意:减少工业污染和净化污水需要多年的工作.这里是固定句式It takes (sb)＋some time ＋to do sth做某事花费(某人)多长时间,故要用动词不定式to reduce.3．4．考查固定表达.句意:你越是努力击败他,就越可能被击败.此处为“the＋比较级＋主谓,the＋比较级＋主谓”的句型,表示“越……就越……”.5．考查固定表达.既不要太贵也不要太便宜.neither...nor既不……也不…….6．考查固定表达.他们将和拿着热土豆一样痛苦和困难.此处是“as＋形容词＋as”表示的同级比较句型. 7．考查固定表达.他悉心照顾她,只给她最好的.nothing but只,仅仅.8．考查固定表达.我想知道为什么中国人用筷子,为什么不像美国人一样用刀叉呢?固定表达why not...为什么不……呢?9．考查固定表达.我们能学会如何花钱.learn后面跟的是“疑问词＋to do”结构.10．考查固定表达.有时候饥饿感是如此强烈以至于我都把土豆片当作美味的点心.此处是结果状语从句,so... that...结构.易错起源1．强调句的正确运用例1．易错起源2．倒装句的正确运用例2．易错起源3．反意疑问句的用法例3．【解析】本题考察的反义疑问句中比较特殊的一种“情态动词+have done”的反义疑问句.当主句中“情态动词+have done”后面有过去时的时间状语,就对一般过去时反问;如果句子没有一般过去时的时间状语,就对现在完成时中的助动词have/has提问.句意:—去年夏天,我在伦敦两个星期.—你在那里的时候,一定去了大英博物馆吧,是吧?本句中有了during your stay你在那里的时候,这是一个一般过去时的时间状语,指去年在那里的时间.所以对一般过去时提问,句中是动词visit,所以使用didn’t.易错起源4．省略句的用法例4．易错练兵1.解析考查并列连词.祈使句＋and/or＋一般将来时.句意:凯特,再跑快一点儿,你就能够赶上你所有的同学了.and表顺承关系,而or表否则,由此可知B项.2．3．考查并列句的用法.句意:他不得不卖掉自己的豪华车,因为他的公司负债了.A(从属连词)在……之前;B(从属连词)直到;C(从属连词)当……时,尽管,(并列连词)然而;D(并列连词)因为,对前一分句起补充说明作用.此题前一分句说“他不得不卖掉自己的豪华车”,“后一分句补充说明他卖车的原因是他的公司负债”,故选D项.4．考查倒装句.句意:他不仅因为在球场的行动著名,还因为在球场以外的事情著名.可知句中使用了not only...but also连接两个句子. not only位于句首时, not only部分的主谓要进行部分倒装,故选B项.5．考查并列句的用法.本题中含有特殊句式:祈使句＋连词＋陈述句＝If引导的条件句＋主句.这个句型进一步转换成:名词短语＋连词＋陈述句.如果原句中的连词是and,那么可以转换成一个肯定的条件句;如果原句中的连词是or,可以转换成一个否定的祈使句.本句相当于:If you don't relax yourself every day, you'll be too tired to get good grades.故选B项.6．7．考查特殊句式中的倒装.no sooner... than...一……就……,引导时间状语从句, no sooner放句首,用部分倒装,排除B．C;根据was可知,用过去完成时,排除A．故选D项.8．考查状语从句的省略.句意:虽然不富有,但是郭明义努力帮助那些贫穷的人.A项错在although不能用于倒装句,B项错在in spite of后面接名词或动名词,D项错在as表示让步含义,需要用倒装句,C项是省略的表达,完整的是though he is not rich,主从句的主语一致的时候,可以省略从句的主语和be动词,选C项.9．10．考查倒装句.句意:直到他在最后一次考试中失利,他才意识到他应该在学习上多花些时间.not until引导时间状语从句置于句首,后面的主句用部分倒装,前面是not until,后面是肯定句,选A项.11．考查固定表达. worse still更糟糕的是.12．考查强调句型.重要的是内在美.根据结构可知此处是强调句型it is/was＋被强调部分＋that/who＋其他.此处强调的是主语one's inner beauty.13．考查固定表达. not as...as与……不一样.14．考查固定表达.……它们可能是圆形的也可能是方形的. either... or...或者……或者…….15．考查固定表达.used to do sth过去常常做某事.收音机过去是家庭获得乐趣的主要方式,但现在已经不是了.16．17．考查固定表达.抽烟不仅对自己的健康也对别人的健康有害.not only...but (also)...不仅……,而且…….18．19．考查固定表达.我不理解人们怎么依靠这种方式来交朋友.how come为什么,怎么会……(那样).20.考查固定表达.as far as...be concerned就……而言,根据主谓一致的原则可知要用am concerned.。
专题12特殊句式高中英语学业水平考试必备考点归纳与测试(新教材专用)
专题12 特殊句式(1)在There be/seem/appear/live/stand/lie/fly/exist/remain等存在句中。
Look，there’s that bookshop I was telling you about.(2)表示时间、地点和动作转移的副词如here，there，now，then，up，down，in，away，out等置于句首，主语是名词而不是代词时，用完全倒装。
此时，句子多用一般现在时或一般过去时。
There goes the phone.I’ll answer it.(3)such作表语置于句首时。
Such was Albert Einstein，a simple man but the 20th century’s greatest scientist.(4)直接引语的全部或部分位于句首时。
“If you die，who will get your money？” asked Holmes.(5)表示地点的介词短语位于句首时。
In the center of the square stands a monument.(6)为平衡句子结构，或使上下文衔接紧密，而将作表语的介词短语、形容词、副词或分词提到句首，引起倒装。
Gone forever are the days when the Chinese people had to use foreign oil.在下列几种情况下，只把助动词、系动词或情态动词放在主语之前，构成部分倒装。
(1)little，never，not，seldom，neither，nor，hardly，rarely，by no means，at no time，under no circumstances，in no case等表示否定意义的单词或短语位于句首时。
Little does he care about what others think.(2)在not...until...，no sooner...than...，scarcely/hardly...when...，not only...but also...，neither...nor...等句式中。
高考教案英语总总结复习之特殊句式
实用标准文案专题12 特殊句式考纲展示命题探究考点一强调句根底点强调句型强调句型的陈述句形式：Itis/was＋被强调局部＋that/who＋其他成分。
被强调局部为“人〞时可用who/that ，被强调局部是“事物〞时用that。
It_isIwho/thatamright.( 强调主语)It_washimthat/whowemetattheschoolgate.( 强调宾语)It_wasintheparkthatT omlosthiswatch.( 强调状语)特别提醒在强调句型中，要用that作连接词，而不能用which或其他词，且不能省略。
当被强调局部是人，且作主语时，引导词也可用who。
强调主语时，要注意引导词与其谓语的一致性。
It_isourteacherwho/that_helpsusmakegreatprogress. 正是我们的老师帮助我们取得了很大的进步。
当被强调局部是主语且为代词时，要用主格形式。
It_was_I_who_put_forwardthetheoryfirst. 是我最先提出这个理论的。
强调句型的一般疑问句形式：Is/Wasit＋被强调局部＋that/who＋其他成分。
Was_itin1939thattheSecondWorldWarbrokeout? 第二次世界大战是在1939年爆发的吗？Is_itProfessorWangwhoteachesyouEnglish? 教你们英语的是王教授吗？文档大全实用标准文案(3)强调句型的特殊疑问句形式：特殊疑问词＋is/wasitthat ＋其他成分。
Who_was_it_thatbrokethewindow? 打破窗户的是谁？When_was_it_thatyoucalledmeyesterday?你昨天给我打是什么时候？特别提醒如果由特殊疑问词引导的强调结构在句中作宾语从句时，从句必须使用陈述语序，不可用疑问语序。
Heaskedmewho_it_was_thattookhisumbrellabymistake.他问我是谁错拿了他的雨伞。
高考英语二轮复习专题12特殊句式教学案含解析word版本
专题 12 特别句式从近几年高考试题来看，特别句式主要观察倒装句、省略句和重申句的用法。
命题的着要点在以下几个方面：1．观察倒装句式，特别注意以下三种状况：(1)含有否认意义的词置于句首时，部分倒装。
(2)only位于句首修饰状语等，部分倒装。
(3)so/such...that句型中，so/such位于句首时，后边的主句倒装，that从句不倒装。
2．观察省略句的构成，特别是以下四种状况：(1)省略主语、主语和谓语、主语和谓语的一部分。
(2)状语从句省略为“连词＋非谓语动词”形式，务必需明确句子主语与非谓语动词的逻辑关系以及非谓语动词与谓语的时间关系。
(3)不定式的省略。
(4)not，so，neither，nor的“代替性”省略。
3．观察重申句型的构成和重申谓语的方法。
近几年高考更为侧重观察知识之间的交错现象，加大了综合观察语法知识的力度，以下几个方面要惹起高度重视：(1)重申句型的一般疑问句式和特别疑问句式的构成。
(2)重申 not...until...句型的特别构成方式。
(3)把重申句型与定语从句、省略句以及重申句型与时间状语从句、地址状语从句的观察等交融到一同观察学生综合掌握语法知识的能力。
一、倒装句( 一 ) 完好倒装 (Full Inversion)谓语动词完好放在主语从前的句子即是完好倒装句。
这种句型主要有：1．表示方式、方向的副词或介词短语，如here, there, up, down, in, away, off,out, in the room, on the wall等，置于句首，且主语是名词时。
如：In a lecture hall of a university in England sits a professor.在英格兰一所大学的课堂里坐着一位教授。
South of the river lies a small factory.一个小型工厂坐落在河的南岸。
Out rushed the children.孩子们冲了出去。
高考英语二轮复习 特殊句式(含详解)
语鹅市安置阳光实验学校特殊句式Ⅰ.单项填空1．—It's a pity that Andrew didn't want to go to the conference.—________ willing to go，we could have paid all his expenses.A．Had he been B．BeingC．Was he D．He had been解析考查虚拟语气与倒装。
根据第一句中的时态可知此处是对过去情况的虚拟，意思是“如果他愿意去，我们会支付他所有的费用”。
此处是省略了虚拟条件句中的if而引起的倒装，其正常语序应为“If he had been willing to go”。
答案A2．Everything，unless otherwise ________，will go on as planned.A．stating B．states C．to state D．stated解析考查省略。
句意：除非另有说明，否则一切按计划进行。
“unless otherwise stated”补充完整后为“unless it is otherwise stated”。
当主从句的主语一致时，且从句中含有be动词时，可以把从句中的主语和be动词一起省略，故选D项。
答案D 3．Seldom ________ TV when he studied in senior high school.A．he watches B．he watchedC．does he watch D．did he watch解析考查时态与倒装。
具有否定意义的副词seldom放在了句首，因此句子应用部分倒装结构，排除A和B；根据“when he studied”可知，应用一般过去时态。
故选D。
答案D4．—Mary，turn the heat down，________ burn.—OK.Mum.A．the cake will B．or the cake willC．will the cake D．and the cake will解析考查特殊句式。
高三英语二轮复习 专题12 正反解读特殊句式
正面解读
5. [2015·湖南卷变式] Always ________ (keep) in mind that your main task is to get this company running smoothly.
【答案】 keep 考查祈使句。这是一个完整的句子，而that引导的是宾语从句，因此只能是祈 使句。故用动词原形。句意：永远记住，你的主要任务就是让这个公司平稳运行。
规则6 在 so…that和such…that结构中，将“so＋adj./adv.”和 “such＋n.”提到句首时，主句部分用部分倒装。
So fast does light travel that we can hardly imagine its speed. 光速很快，我们几乎没法想象它的速度。
规则2 so/as/neither/nor 为标志词放在句首。 (1)表示前面所说的肯定情况也适合于另一人或物：so＋be/助动词/情态动词 ＋主语。 —I've got an enormous amount of work to do. —So have I. (2)表示前面所说的否定情况也适合于另一人或物：neither/nor＋be/助动词/ 情态动词＋主语。 If she doesn't agree to the plan, neither will Tom. 如果她不同意这个计划，汤姆也不会同意的。
2．部分倒装的使用规则 构成：将情态动词、助动词、be动词提到主语前。 规则1 含有否定意义的副词或短语放在句首时。few, little, never, not, no, not until..., nowhere, rarely, seldom, hardly/scarcely…when/before, no sooner…than… ， not only…but (also), at no time, by no means等。 He is active in personality, and seldom does he stay indoors. 他个性活跃，很少待在室内。
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2014年高考英语二轮复习精品资料（预测）专题12 特殊句式（含解析）1.—Why wasn't John hired for the job?—I don't know, but he ________.A．was B．had beenC．should have D．should have been2． It was today's activity ________ let me know the importance of teamwork.A．where B．whichC．that D．what3． There is no doubt that eating organic food will make you healthier, ________？A．will it B．does itC．is there D．is it4．Where do you think ________ we can buy that bestseller?A．it is that B．is it thatC．that D．it5． Who ________ that played a trick on the new English teacher?A．it was B．was itC．he was D．was him答案：B 考查强调句。
句意为：到底是谁捉弄了新来的英语老师？本题是强调句的特殊疑问句结构：疑问词＋is/was＋it＋that＋句子其他成分。
故选B。
6．—Where did you pick up the stamp?—It was at the post office ________ we worked in the summer vacation.A．that B．whereC．which D．when7． Unless ________ to answer questions, the pupils won't talk in Mrs Smith's class.A．asking B．askedC．being asked D．having asked8．—The old store enjoys a good reputation in this area.—Can't agree more. There are very few, ________， complaints about their service.A．if any B．if soC．if anything D．if ever9． Such an inspiring speech ________ at the graduation ceremony that every one of us was deeply moved and strongly encouraged.A．did he make B．he madeC．had he made D．he had made答案：A 考查倒装句。
句意为：他在毕业典礼上做了如此鼓舞人心的演讲，以至于我们每一个人都深受感动和鼓舞。
“such＋名词”或“so＋形容词/副词”位于句首时，主句应用部分倒装结构。
又根据语意和that从句中的时态可知，此处应用一般过去时。
故答案选A。
10．—Was it because of his shortsightedness ________ he was turned down by the company?—No, it was because of his poor performance.A．when B．thatC．what D．how11． As is shown in the movie, under no circumstances ________ faith and confidence.A．you should lose B．shouldn't you haveC．should you lose D．you shouldn't have12．—________ one and a half months enough for the project to be finished?—I am afraid not. The professor is ill and only after he recovers ________ go on with it.A．Is; he can B．Are; he canC．Is; can he D．Are; can he13．—________ no ad during TV plays.—Great move! I cannot tolerate those annoying ads appearing every several minutes.A．There is said to have B．It is said to haveC．There is said to be D．It is said to be答案：C 考查句式用法。
句意为：——据说电视剧中间不再插播广告了。
——好举措！我再也忍受不了每隔几分钟就出现的那些无聊的广告了。
have表示“某人/物有……”，there be表示“某处存在某物”，两者不能在同一句中同时使用，排除选项A；be said to 意为“据说……”，常作插入语，相当于“主语＋be said to...”。
该句可改成It is said that there will be no ad during TV plays.故C项正确。
14． ________， his idea was accepted by all the people at the meeting.A．Strange as might it soundB．As it might sound strangeC．As strange it might soundD．Strange as it might sound15．Only when he returned ________ that the war had ended and the army had come back.A．we tell B．we toldC．did we tell D．were we told答案：D 考查倒装句型。
Only放在句首时，句子要用倒装语序；根据句意“我们被告知”可知，此处要用were we told。
故答案选D。
16． A series of stimulus policies and supportive measures taken by the government ________ to promote change in the economic environment in this area.A．are expecting B．are expectedC．is expecting D．is expected17．Fighting an artificial greenhouse effect seems to be the greatest of environmental challenges, ________？A．isn't it B．does itC．doesn't it D．is it18． ________ about wild plants that they decided to make a trip to Madagascar for further research.A．So curious the couple wereB．So curious were the coupleC．How curious the couple wereD．The couple were such curious19．No sooner ________ down on bed ________ the telephone rang.A．had he lain; than B．had he lied; whenC．did he lie; than D．had he laid; before20． The drug used to treat this disease causes bad side effects, some of which ________ deadly.A．is B．areC．was D．were21．—Under no circumstances ________ the door to the Data Centre unlocked.—I promise I'll be more careful in future.A．you need to leave B．should you leaveC．need you leave D．you should leave答案：B 考查倒装句。
句意为：——你无论如何都不能不锁数据中心的门就走了。
——我答应你下次我会注意的。
under no circumstance相当于in no case/in no way/on no account/by no means/never，意为“决不”，置于句首时，句子要部分倒装，即：将助动词或情态动词放在主语之前。
若句中没有助动词或情态动词，则需添加助动词do，does或did，并将其置于主语前。
由语境可知，此处有责怪的意思，情态动词应用should。
故B项正确。
22． If a healthy environment is gone, ________ everything that our life depends on.A．so is B．nor isC．so does D．nor does23．Whatever happens, Tom, ________ drugs.A．doesn't take B．not takeC．not taking D．don't take24．Don't you recognize him? Just look up. On the opposite wall ________.A．does his photo hang B．hangs his photoC．is hanging his photo D．is his photo hanging25． On the small island, which is at the entrance to New York Harbor, ________.A．the Statue of Liberty standsB．stands the Statue of LibertyC．does the Statue of Liberty standD．does stand the Statue of Liberty26． How many countries ________ the European Union made up of, do you know?A．is B．areC．have D．has答案：A 考查主谓一致。