可导致心悸、惊恐不安的情志因素是()。
A.过度愤怒
B.喜乐过度
C.过度悲忧
D.突然受惊
E.思虑过度
参考答案:D
铅中毒时铅主要抑制
A.细胞呼吸酶活性 B.血红素合成酶活性 C.细胞色素氧化酶活性 D.胆碱酯酶活性 E.过氧化氢酶活性
Eventually, the President had to leave office_____ public pressure in order to ease the tension of the situation.
A.in favor of
B.in response to
C.in return for
D.in honour of