内容正文:
英语
九年级下册 RJ
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第一部分 教材同步分层练
Unit 13 We're trying to save the earth!
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课时同步训练
重点知识综合拔高练
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题组训练一 harmful的相关用法
1.【2023山东东营质检】Don't play games on the computer for too long. It's ___
to your eyes.
B
A.useful B.harmful C.thankful D.painful
【解析】useful意为“有用的”;harmful意为“有害的”;thankful意为“感激的”;painful意为“痛苦的”。根据前句“Don't play games on the computer for too long.”可知,此处表示对你的眼睛有害。
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2.Some of the germs (细菌) are__________ (harm) and they do not make
us sick.
harmless
【解析】 由they do not make us sick可知,一些细菌是无害的,故填harmless,意为“无害的”。
3.【2023甘肃平凉期中】Making a loud noise in public does harm to people's
hearing.(改为同义句)
_______________________________________________________________
Making a loud noise in public is harmful to people's hearing.
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题组训练二 afford的相关用法
4.【2023江西抚州一模·改编】—It is convenient for us to have a floor-cleaning
robot to clean the floor at home now. Do you want to buy one?
—I'd love to, but I can't ___ it. I don't have enough money.
D
A.recycle B.agree C.examine D.afford
【解析】recycle 意为“回收利用”;agree意为“同意”;examine意为“检查”;afford意为“买得起”。根据“I don't have enough money.”可知,此处指买不起。
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5.They walked home yesterday evening because they couldn't afford _________
(take) a taxi.
to take
【解析】 can't afford to do sth.为固定搭配,意为“负担不起做某事”,故填to take。
6.The poor family could not afford such an operation.(句意基本一致)
The poor family didn't ______ ________ _______ _____ such an operation.
have
enough
money
for
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题组训练三 辨析take/pay/spend/cost
7.【2023湖北十堰期末】Taking a taxi is also a good idea, but it may ___ you a
lot of money.
C
A.pay B.spend C.cost D.pay for
【解析】costsb.a lot of money 意为“花某人许多钱”,符合语境。故选C项。
易混辨析
cost表示某物值多少(价值或钱);take 一般用it作主语,用于it takes/took sb.some time to do sth.(结构);spend 一般是人作主语,常用句型为sb. spends… on sth./ spends… (in) doing sth.;pay一般是人作主语,pay for… 意为“为……而付款”。
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8.【2023四川成都质检】—Could you please tell me how you'll _______ (度过)
your summer vacation?
—Sure. I'm going to learn some life skills, like cooking.
spend
9.Th