21.
But the real truth is that we dont know enough to relieve global warming, and without major technological breakthroughs we cant do much about it. (2008年6月)
【分析】本句为复合句,主干为the real truth is that。that从句为is的表语,在该表语从句有两个由and连接的简单句we dont knowwarming和we cant do much about it。两个破折号之间的内容是对we cant do much about it的原因解释。
【译文】但真相是,我们对缓解全球变暖知道的还不够多,并且没有较大的技术突破我们仍将束手无策。
22.
We need economic growth unless we condemn the worlds poor to their present poverty and freeze everyone elses living standards. (2008年6月)
【分析】本句为复合句,主句为We need economic growth,从句为unless引导的条件状语从句。在从句中,we有两个由and连接的谓宾:condemnpoverty和freezestandards。
【译文】我们需要经济增长,除非我们迫使世界上的穷人继续穷困潦倒,不提高他们的生活水平。
23.
The trouble with the global warming debate is that it has become a moral problem when its really an engineering one. (2008年6月)
【分析】本句为复合句,主干为The troubleis that。that引导的表语从句that it has becomeone作is的表语,该表语从句中又包括一个由when引导的时间状语从句when its really an engineering one。
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