题目

 Many Chinese students think science subjects are ______ foreign languages. A. more difficult as   B. less difficult than  C. much difficult than   D. so difficult as 答案：B 本题考查形容词的比较级的用法。A和D的结构不对应用as….as…的句型。C中much用来修饰比较级，不能用来构成比较级。故本题选B。

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