急性有机磷农药中毒可做哪项相关检查（）。
A.血液碳氧血红蛋白测定
B.全血胆碱酯酶活力测定
C.血乙醇浓度
D.血铅测定
E.以上都不对
参考答案：B
— Tom is always ___________ about his study.
— No wonder he has been doing so well in school. [ ]
A. interested
B. curious
C. serious
D. addicted
当车长一定，车辆在过曲线时，其外倚量随车辆定距增大而增大。
