1. It is not so easy to ______ the way of his walking and talking in the public.
A. witness B. imitate C. worship D. yield
2. He is a/an _______ man and can now make his own decision.
A. unexpected B. mature C. unfair D. unique
3. He has accepted a _____ approach to solve the crises.
A. moderate B.throughout C. tiny D. various
4. They continued to be ______ on the issue of women's liberation.
A. neutral B. vague C. universal D. tropical
答案与解析：
1.B
witness 目击；见证；imitate 模拟，模仿；worship 崇拜，敬仰；yield 出产；结出（果实）；产生（效果，收益等）；让于，给于；同意。
2.B
unexpected 意料之外的，出乎意料的；mature 成熟的；unfair 不公平的；unique 独一无二的。
3.A
moderate 中等的，适度的；throughout 完全的，彻底的；tiny 微小的；小的；various 多种多样的，不同的。
4.A
neutral 中立的；vague 含糊不清的；模糊不清的；universal 普遍的，通用的，宇宙的；tropical 热带的。