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【题目】阅读下列短文,根据短文内容填空,在未给提示词的空白处仅填写1个适当的单词,在给出提示词的空白处用括号内所给词的正确形式填空。

Billions of poor people around the world 1 (depend) on the use of wood for cooking. And as they take more and more firewood from wild areas, they are destroying habitats around the world. Wood collection is one reason why many animals have become endangered. This is 2 Dr. Metcalf spends each summer in Africa. He wants to teach women and children in villages how to cook with the sun. He helped create Solar Cookers International. It’s an organization 3 introduces solar cookers to developing countries as well as teaching people how to use them.

【答案】

1depend/are depending

2why

3that/which

【解析】

这是一篇说明文。由客观事实人们依赖木材来烹饪,引起动物栖息地的破坏,从而使许多动物变成濒危动物,说明Dr. Metcalf(梅特卡夫博士)建立Solar Cookers International(国际太阳能炊具公司)的原因:教会人们如何使用阳光来烹饪。

1考查时态。句意:全世界数十亿穷人依靠木材做饭。结合语境可知,这是一个事实情况。所以使用一般现在时表示客观事实。另外,使用现在进行时,可以表示逐渐变化的趋势。故填:depend /are depending。

2考查连接词。句意: 这是Dr. Metcalf(梅特卡夫博士)每年夏天都会去非洲的原因。分析句式可知,连同横线在内之后的内容在主句中做表语。引导表语从句表原因,故填why。

3考查关系代词。句意:这个组织向发展中国家介绍太阳能炊具,并教人们如何使用它们。句中organization为先行词,其后的句子为定语从句。先行词在定语从句中做主语,因为先行词organization指物,关系代词用which/that。故填which/that

解决复合句的关键在于:正确分析主句和从句。所以,掌握好简单句的句式对于分析句子起着至关重要的作用。第2 小题,主句是主(this)系(is)表结构,而表语是一个完整的句子,在意义上缺少原因状语,所以填写why。第3小题,主句:这是一个组织。为主系表结构,随后的句子是对organization做限定修饰,为定语从句。另外organization在定语从句中做主语,且指物,所以关系代词用which/that

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