英语短语用法复习知识点look about/look after/look at
look about 四处寻找，察看；考虑
例句The stranger looked about him with great interest.
那陌生人怀着极大的兴趣看着他的四周。
He said he would look about to see who might be able to help us.
他说，他要留心看看谁能帮我们的忙。
Look about and decide if you like the position.
你考虑一下，然后决定是否想要这个职位。
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look after 照管，照应
例句He needs to be properly looked after.
他需要被好好照顾。
He's good at looking after himself.他很会照顾自己。
Our neighbours are looking after the garden while we are away.
我们不在家的时候，由邻居照料花园。

look at 看，瞧；检查；考虑或研究
例句Look at the time!We should have been at the theatre ten minutes ago.
瞧，都什么时候了！十分钟前我们就该到戏院了。
I'm taking my car to the garage to be looked at.
我要把汽车送到修车厂去检修。
Looked at from that point of view, the job becomes easy.
从那个观点看，这工作就容易了。

阅读下面短文，根据短文内容填空。在未给提示词 空白处仅填写1个恰当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。
Polio is a scary disease ___14___(cause) children to lose the ability to move and walk. More than 60 years ago, it frightened parents everywhere. Tens of thousands of children ___15___(fall) to the disease. Today, we don’t really need to worry about polio. In the mid-1950s, scientists came up with a special treatment to decrease the chances of getting the disease. ___16___ (give) to millions of children around the world, the treatment saved them all and offered them a good chance at a ___17___(health) life.
【答案】
14. causing
15. fell
16. Given
17. healthy
【解析】
【导语】本文是一篇说明文。 文章主要介绍了小儿麻痹症。
【14题详解】
考查非谓语动词。句意：小儿麻痹症是一种可怕的疾病，会导致儿童失去移动和行走的能力。名词disease与cause之间为主动关系，所以用现在分词作后置定语。故填causing。
【15题详解】
考查时态。句意：成千上万的孩子染上了这种疾病。此处缺乏谓语，陈述过去事实，所以用一般过去时。故填fell。
【16题详解】
考查非谓语动词。句意：全世界数百万儿童接受了这种治疗，挽救了他们所有人的生命，并为他们提供了一个健康生活的好机会。逻辑主语the treatment与give之间为被动关系，所以用过去分词作状语，首字母大写。故填Given。
【17题详解】
考查形容词。句意：全世界数百万儿童接受了这种治疗，挽救了他们所有人的生命，并为他们提供了一个健康生活的好机会。修饰名词life，前用形容词形式作定语。故填healthy。

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