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Lesson 3 Epidemics Explained
Part I Vocabulary & Grammar
1
在空白处填入1个适当的单词或括号内单词的正确形式。
1.Traditionally, Chinese languages _____________ (classify) into seven groups, including
Mandarin spoken in the north, central and western provinces.
are classified
解析 句意为:传统上,中国的语言分为七大类,包括北方、中西部省份说的普通话。此处陈述客观事实,应用一般现在时,且谓语动词和主语Chinese languages之间为被动关系,应用被动语态;主语为复数,故谓语动词用复数形式。故填are classified。
2.She is in a bad mood. We’d better talk about something less __________ (depress).
depressing
解析 句意为:她心情不好,我们最好谈论不那么令人沮丧的事情。根据空前的something less和句子语境可知,此处应用形容词depressing。
刷单句填空
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3.I hate to go to the beach at sunny weekends and see rubbish bags lying on the sand, cigarette
butts (烟头) _______ (bury) in the sand, and soda cans floating in the ocean.
buried
解析 句意为:我讨厌在阳光明媚的周末去海滩,看到垃圾袋在沙滩上、烟头埋在沙子里、汽水罐漂浮在海里。cigarette butts和bury之间是逻辑上的被动关系,设空处应用过去分词作宾语补足语,故填buried。
4.To get ________ those hard times, you will need all the courage you can muster (鼓起).
through
解析 句意为:为了熬过那些艰难的时刻,你需要鼓起所有的勇气。get through意为“熬过(困难时期)”。
5.When shopping, little Jack stopped and stared at a toy car, which obviously appealed ___ him.
to
解析 句意为:当小杰克购物的时候,他停下来盯着一辆玩具车,这辆车显然吸引着他。appeal to意为“吸引”。
刷单句填空
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6.Born into a family with three brothers, David was brought ____ to value the sense of sharing.
up
解析 句意为:戴维出生在一个有三个兄弟的家庭,被教育要重视分享的意识。bring up意为“抚养;教育”。
7.With money running ____, he couldn’t afford the round-trip tickets.
out
解析 句意为:由于钱用光了,他买不起往返票。run out意为“用光;耗尽”,为不及物动词短语。
8.The performance reviewed China’s ancient times, ________ (show) the country’s rich cultural
heritage and singing about the present, as well as the future that lies ahead.
showing
解析 句意为:该演出回顾了中国的古代,展示了中国丰富的文化遗产,歌颂了现在和不久的将来。根据语境可知,设空处与下文的singing并列作状语,应用现在分词形式,故填showing。
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9.Recent years ______________ (witness) a great improvement in the relations between the
two countries.
have witnessed
解析 句意为:近年来,两国关系有了很大的改善。根据Recent years可知,此处应用现在完成时,且主语为复数,故填have witnessed。
10.A study shows the students who are engaged in after-school activities are hap