答案: C
2.What can be inferred from the text?
A.All water shortages are due to human behavior.
B.It takes a lot of effort to meet our water needs.
C.There is much we can do to reduce family size.
D.The average family in America makes proper use of water.
解析: 推理判断题。根据第二段首句“Human activity is not responsible for all water shortages (短缺).”可排除A项。根据第三段最后一句“This shows how much we depend on water to live,but there’s a lot we can do to lower the number.”可知D项不正确。本文强调的是减少用水量,而不是家庭的人数,故C项错误。根据全文的内容可推知,水浪费、水污染和水需求不断增长,解决水短缺问题需要付出大量的努力。
答案: B
3.The last paragraph is intended to________.
A.show us how to fix leaks at home
B.tell us how to run a dishwasher
C.prove what drinking glass is best for usD.suggest what we do to save water at home
解析: 写作意图题。最后一段首句“You can take steps to save water in your home.”为主题句,接下来从四个方面就steps进行了展开,即四个方法或措施。显然,本段主要是讨论我们在家里如何节约用水。
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