有机磷中毒死亡的主要原因（）
A.心力衰竭
B.肾功能衰竭
C.中枢抑制
D.呼吸衰竭
E.血压下降
参考答案：D
________for her, Chen Zhong, the last champion, had no chance to take part in the finals. [ ]
A. Luckily
B. Unfortunately
C. Obviously
D. Absolutely
商代史官的种类有（）
A.尹
B.乍（作）册
C.卜
D.多工
E.吏
