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题库 / Prep2007E1-SC-95
Unlike frogs that metamorphose from tadpoles into adults within a one-year period, it takes three to four years for the mountain yellow-legged frog of the Sierra Nevada 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.
it takes three to four years for the mountain yellow-legged frog of the Sierra Nevada to reach adulthood, and so they are
it takes the mountain yellow-legged frog of the Sierra Nevada three to four years until it reaches adulthood, and therefore it is
in the Sierra Nevada, mountain yellow-legged tree frogs take three to four years to reach adulthood, thus being
mountain yellow-legged frogs of the Sierra Nevada take three to four years until they reach adulthood, thus
mountain yellow-legged frogs of the Sierra Nevada take three to four years to reach adulthood, and so they are
until表示动作的延续，即在某个时间段内一直持续这个动作，这边的意思变成了take years这个动作的持续，意思上是不对的
同时take和resisted是并列的，不能直接逗号后面跟restricted，变成了状语
D，restricted作伴随，但是两句间不存在逻辑关系，排除
E correct
另外take和be restricted to并列，应该用and连接
you can't say "you'll take X amount of time UNTIL..."
UNTIL is used after a description of an action: i will run until i become exhausted.
the correct idiomatic expression is "you'll take X amount of time to VERB," as used in the correct choice.
E，SN的黄脚蛙，ok
地点作主语/地点状语/定语的区别是常见考点。
表示某人做某件事花费多少时间用sb take some time to do sth, 而不用sb take some time until ....
另外选项D：restricted直接变成了状语，而在选项E：take和are restricted并列关系
不是因为花几个月成熟所以不让他们去deeper water，不是因果关系，而是花几个月成熟，这几个月不允许他们去deeper water，叙述关系，不是强因果，不能用thus
It take sb a period of time动作时take，不是take time这个动作持续到青蛙成年，是to reach adulthood take time
2、unlike/like的比较比较的内容相同或不同的部分，D，restricted to deeper bodies of water做状语，修饰黄脚蛙长大成年这个动作，属于比较的一部分，但前面被比较的内容并不包含被比较的蛙是不是被限制在更浅的水里了，比较内容不适当；E，and so是并列连词连接独立的句子，她与unlike是并列的，不会被包含进unlike的内容里面，E对
thusXXX表伴随，但其实没有伴随发生的意思。
It take sb a period of time动作时take，不是take time这个动作持续到青蛙成年，是to reach adulthood take time
2、unlike/like的比较比较的内容相同或不同的部分，D，restricted to deeper bodies of water做状语，修饰黄脚蛙长大成年这个动作，属于比较的一部分，但前面被比较的内容并不包含被比较的蛙是不是被限制在更浅的水里了，比较内容不适当；E，and so是并列连词连接独立的句子，她与unlike是并列的，不会被包含进unlike的内容里面，E对
D选项直接接restricted，是什么成分？
另外选项D：restricted直接变成了状语，而在选项E：take和are restricted并列关系