第4题: [单项选择]The vocabulary and grammatical differences between British and American English are so trivial and few as hardly A. noticed B. to be noticed C. being noticed D. to notice 参考答案:B 答案解析:[试题分析] 本题考查,so as to结构的用法。
[详细解答] so as to引导的不定式作结果状语。so as to或 in order to+不定式常作目的状语。本题中不定式与句子的主语之