影响核武器杀伤作用的主要因素是()。
A、核武器的当量
B、核爆炸方式
C、人口密度和防护情况
D、自然条件
参考答案:A, B, C, D
— What did he say in________of his stupid behaviour?
— He admitted that he had made a serious mistake.[ ]
A.explanation
B.favour
C.fear
D.support
七情致病最先伤及的脏是()。
A.心
B.肺
C.肝
D.脾
E.肾