进行有效沟通除了要进行正确的引导、了解和说服外，还要()。
A、安排各种活动
B、换位思考
C、强调自己的要求
D、注意安全隐患
参考答案：B
She showed the visitors around the museum, the construction _____ had taken more than three years. [ ]
A. for which
B. with which
C. of which
D. to which
摄碘率升高，高峰提前（）
A.甲状腺功能亢进
B.地方性甲状腺肿
C.亚急性甲状腺炎
D.甲状腺癌
E.甲低症
