10.As the air is being polluted,many kinds of wild animals are________. A.died
B.dying down C.dying out
D.death 解析: die为不及物动词,不能用被动语态,排除A项;death为名词“死亡”,不合题意。根据题意应为“灭绝”。 答案: C come into being形成;产生 教材原句P30:They lived on the earth tens of millions of years ago,long before humans came into being and their future seemed secure at that time.它们生活在亿万年前的地球上,比人类诞生早很多,而且那时它们的未来看似很安全。 ①When did the club first come into being? 俱乐部是什么时候成立的?
②The new tax regulations came into effect last month. 新税法是上个月生效的。 ③The present government came into power a year ago. 本届政府一年前开始执政的。 ④As you went on,a lake came into sight. 你向前走,一个湖就出现在了眼前。 come into effect生效 come into sight看得见 come into office就职 come into power当权;执政 come into use开始使用
11.(北京高考)Scientists have many theories about how the universe________into being. A.came
B.was coming C.had comeD.would come 解析: 句意为:关于宇宙是如何产生的,科学家们有很多理论。根据句意可知宇宙产生绝非将来要发生的事,所以先排除B、D两项,C项had come为过去的过去,因题中无过去时间作参照,故排除。宇宙产生发生在过去,故用一般过去时。 答案: A in danger在危险中,垂危 教材原句P25:Why are they in danger of disappearing? 它们为什么处于灭绝的危险中? ①We were warned that we were in danger. 有人警告我们有危险。 ②Another famous animal in danger is the giant panda,whose habitat is in China.另一种著名的濒临灭绝的动物是大熊猫,它们的栖息地在中国。
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