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–Wow, how amazing! A. fastest B. faster C. fast 【答案】C
【解析】句意：——据报道，复兴高速列车能以每小时350公里的速度行驶。——哇，太神奇了！考查同级比较。as+形容词或副词+as，是同级比较，表示“和……一样……”，可排除AB两项。go是动词，需用副词修饰。根据句意结构，可知选C。
5. –Why ______ we close that chemical factory?
–Because it has caused lots of pollution. We need better environment. A. must B. can C. may 【答案】A
【解析】句意：——我们为什么一定要关闭化工厂？——因为它造成了很多污染。我们需要更好的环境。考查情态动词辨析题。must必须，强调主观意愿；can能，表允许或有能力；may可以，表允许。本句是进行强调，根据句意语境，可知选A。
6. –Look, what an old bridge! It looks so special! –Yeah, it ______ nearly 500 years ago. A. was building B. was built C. has built 【答案】B
【解析】句意：——看，多么古老的桥啊！看起来很特别！——是啊，它是近500年前建造的。考查动词语态辨析题。it指的是上一句的bridge，是动词build的受动者，需用被动语态。500 years ago五百年前，用于一般过去时。根据句意结构和语境，可知选B。 7. –Julia, your mobile phone is ringing.
–Wait a minute. It’s dangerous ______ it while crossing the street. A. answering B. answer C. to answer 【答案】C
【解析】句意：——-朱丽亚，你的手机响了。——等一下。过马路时接电话是危险的。考查动词辨析题。It + be + adj. for (of) sb to do sth 某人做某事……，是固定句式，不定式结构做真正主语。根据句意结构，可知选C。
8. ______ exciting the news is! Beijing will hold 2022 Winter Olympic Games.
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A. How B. What a C. What 【答案】A
【解析】句意：多么令人兴奋的消息啊！北京将举办2022届冬季奥运会。考查感叹句。英语中感叹句有两种形式：1.what引导的感叹句，其构成：what+a/an+形容词+可数名词单数+主语+谓语!/ what +形容词+可数名词复数+主语+谓语!/ what +形容词+不可数名词+主语+谓语! 2. How引导的感叹句，其构成：how+形容词/副词+主语+谓语!本句exciting令人兴奋的，是形容词，需用“how+形容词/副词+主语+谓语!”结构；根据句意结构和语境，可知选A。
9. –There is someone knocking at the door.
–It must be the repairman. I ______ him to come to fix our fridge two hours ago. A. call B. have called C. called 【答案】C
【解析】句意：——有人敲门。——一定是修理工。两小时前我叫他来修冰箱。考查动词辨析题。two hours ago两小时前，用于一般过去时，可排除AB两项；根据句意语境，可知选C。 10. – Thank you for telling me so much knowledge about nature.
–Don’t mention it. ______ you have more questions, come to me any time. A. If B. Because C. Though 【答案】A
【解析】句意：——谢谢你告诉我这么多关于自然的知识。——别提了。如果你有更多的问题，随时找我。考查连词辨析题。本句是条件状语从句，需用if连接，而because表原因，though表让步，都可排除。根据句意结构和语境，可知选A。
11. –What do you think of the fish soup? –Well, it ______ a bit salty. A. looks B. smells C. tastes 【答案】C
【解析】句意：——你觉得鱼汤怎么样？——嗯，味道有点咸。考查连系动词辨析题。三个选项都是连系动词：look看起来，smell闻起来，taste尝起来，后面都接形容词。根据问句和语境，可知选C。 12. The program I’m a singer is quite popular ______ students these days. They often talk about it between classes.
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A. for B. with C. in 【答案】B
【解析】句意：我现在是个歌手，这个节目很受学生欢迎。他们经常在课堂上谈论它。考查介词辨析题。be popular with在…中有声望/受好评，固定短语。根据句意语境，可知选B。 13. –______ do you spend on Wechat every day, Lily? –About one and a half hours. A. How long B. How much C. How soon 【答案】A
【解析】句意：——莉莉，你每天花多长时间在微信上？——大约一个半小时。考查特殊疑问词辨析题。A. How long多长，问时间/长度，用于一般现在时或一般过去时；B. How much多少，问数量或价格；C. How soon多久，问时间，用于一般将来时，需用in+时间段作答。根据答语About one and a half hours.（是一段时间），结合句意语境，可知选A。
14. –The jeans are very nice. I’ll take them.
–You’d better ______ first. I’m afraid the size is a bit small for you. A. pay for them B. take them off C. try them on 【答案】C
【解析】句意：——这条牛仔裤很漂亮。我要买它们。——你最好先试穿一下。恐怕这个尺寸对你来说有点小。考查动词短语辨析题。pay for支付；take off脱掉；try on试穿。动词短语后跟代词做宾语，需将代词放在短语之间。根据答语I’m afraid the size is a bit small for you.，结合句意语境，可知本句是建议试穿，故选C。
15. –Could you please tell me ______? –Of course. About ten minutes’ ride. A. how far is it from the school B. how far it is from the school C. how often you go to the school 【答案】B
【解析】句意：——你能告诉我这里离学校有多远吗？——当然。大约十分钟的车程。考查宾语从句。宾语从句需用陈述句语序，A是疑问句语序，可排除。how often多久，问频率。根据答语About ten minutes’ ride. 大约十分钟的车程，可知问的是距离路程，需用how far提问，故选B。
第二节 完形填空
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阅读下列短文，掌握其大意，然后从 36~50 各题所给的三个或四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
A
Sometimes we wish we could stop time and go back in time. Well, twice a year, some countries actually decide to___16___the time.
As summer begins, some countries, like the US, UK and most of other countries in the EU, move the time forward one hour: 12 o’clock becomes 1 o’clock. This is to give people one more hour of ___17___. This is called “daylight saving time (夏令时时间)”.
But as winter arrives, you’ll notice the darkness stays with us___18___. The sun doesn’t enjoy being out as often as in the summer. To deal with this, these countries turn the clocks___19___one hour: 1 o’clock goes back to 12 o’clock.
Countries have done this for about 100 years. At some point, most of the world has tested with it. In fact, from 1986 to 1991, China used daylight saving time.
By having another hour of sunlight, you can save___20___by not needing to turn the lights on. Also, it can help the economy (经济), as people enjoy shopping when it is brighter. But people think it disrupts (打乱) sleeping habits. And because mornings are darker, the___21___of people getting to work and school is a problem. 16. A. change B. stop C. pass 17. A. sleep B. sports C. sunlight 18. A. shorter B. longer C. slower 19. A. back B. up C. forward 20. A. money B. energy C. time 21. A. life B. tradition C. safety
【答案】16. A 17. C 18. B 19. A 20. B 21. C
【解析】试题分析：这篇说明文介绍了夏时制的来历和它的优点，介绍了试用夏时制的几个国家。同时对夏时制将会导致的问题表示了担忧。
16. 句意：每年两次，一些国家实际上决定改变时间。考查动词辨析题。A. change改变；B. stop停止；C. pass超过。根据句意语境，可知BC都是不可能的，故选A。
17. 句意：这是为了给人们多一小时的阳光。考查名词辨析题。A. sleep睡眠；B. sports运动；C. sunlight阳光。根据move the time forward one hour: 12 o’clock becomes 1 o’clock.，联系后文By having another hour of sunlight,，可知选C。
18. 句意：但当冬天来临时，你会发现黑暗和我们在一起的时间更长。考查形容词比较级辨析题。A. shorter更短的；B. longer更长的；C. slower更慢的。根据生活实际，结合句意语境，可知AC两项意思都不合文意，故选B。
19. 句意：为了解决这个问题，这些国家把时钟拨回一个小时: 1点回到12点。考查副词辨析题。根据前
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