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GWD里有道题是这样的: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. (D) mountain yellow-legged frogs of the Sierra Nevada take three to four years until they reach adulthood, thus (E) mountain yellow-legged frogs of the Sierra Nevada take three to four years until they reach adulthood, and so they are 筒子们答案是 E。 为啥呢?表示不懂thus 和 and so 到底咋用???? 听说thus是副词所以thus前后不能都是句子。 求大牛童鞋指点迷津! |
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