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标题: PREP07SC1T95 [打印本页]

作者: 百小合 时间: 2012-4-6 00:13
标题: PREP07SC1T95
正确选项是：

Unlike frogs that metamorphose from tadpoles into adults within a one-year period, mountain yellow-legged frogs of the Sierra Nevada take three to four years to reach adulthood, and so they are restricted to deeper bodies of water that do not dry up in summer or freeze solid in winter.
但是and和so都是连词，两个连词不是不可以一起用么？

作者: 百小合 时间: 2012-4-6 00:30
自己顶一下~NN们帮忙回答下被~

作者: movcn 时间: 2012-4-6 00:40
两个都是连词，但是AND表示连接，SO表示因果，两者互为补充且不矛盾，所以可以一起用

作者: 百小合 时间: 2012-4-6 00:59
但是and应该要用来连接两个平行的东西么不是？
词句and前面是主句，后面的那个加了so就变成从句了呀？and怎么可以连接主句和从句呢？

哎呀总是你给我解答多谢多谢啦~

作者: 百小合 时间: 2012-4-6 01:01

两个都是连词，但是AND表示连接，SO表示因果，两者互为补充且不矛盾，所以可以一起用

-- by 会员 movcn (2012/4/6 0:40:27)

但是and应该要用来连接两个平行的东西么不是？
词句and前面是主句，后面的那个加了so就变成从句了呀？and怎么可以连接主句和从句呢？

哎呀总是你给我解答多谢多谢啦~

作者: movcn 时间: 2012-4-6 13:26
如果分成两个句子的话，我们把逗号改成句号并去掉AND.这段话就变成

Unlike frogs that metamorphose from tadpoles into adults within a one-year period, mountain yellow-legged frogs of the Sierra Nevada take three to four years to reach adulthood.
So they are restricted to deeper bodies of water that do not dry up in summer or freeze solid in winter.

这样就能看出来两个句子的关系，并非主从，而是因果。
验证一下，把 SO 换成 THAT'S WHY

Unlike frogs that metamorphose from tadpoles into adults within a one-year period, mountain yellow-legged frogs of the Sierra Nevada take three to four years to reach adulthood, AND THAT'S WHY they are restricted to deeper bodies of water that do not dry up in summer or freeze solid in winter.
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