Quasars are so distant that their light has taken billions of years to reach the Earth; consequently, we see them as they were during the formation of the universe.
Quasars are so distant that their light has taken billions of years to reach the Earth; consequently we see them as they were during the formation of the universe.
A. we see them as they were during B. we see them as they had been during C. we see them as if during D. they appear to us as they did in E. they appear to us as though in
b. had been不正确，这里只是在陈述一个过去的状态，不该用过去完成 c. 后面缺了主语，指代不明，as if (people/quasars) during，而且这里的during很奇怪 d. 这句话意思有误，可以理解成原来和现在quasers状态是一样的，而原题是想表达，我们观察到的是过去状态的quasers e. though用法不对（应该吧……这里）
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发表于 2010-6-19 17:20:12
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