题目内容
2．Shared-bikes are very popular in some big cities．（改为感叹句）How popular shared-bikes are in some big cities!
分析 --共享自行车在一些大城市很受欢迎．
--在一些大城市共享自行车是多么受欢迎啊！
解答 答案：How popular．考查感叹句．句意"--共享自行车在一些大城市很受欢迎．--在一些大城市共享自行车是多么受欢迎啊！"．感叹句可以用how+形容词+主语+谓语+其它，或What a/an+形容词+名词+主语+谓语+其它，来表示，这里用how，形容词用popular受欢迎的．答案是How popular．
点评 感叹句可以用how或what引导，两者有一定区别，要掌握该知识点，然后结合语境选择正确形式，完成试题．
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