有机磷农药中毒引起的迟发性神经病,多发生在急性中毒病情恢复后多长时间()
A.1年以后
B.2~3个月
C.2~3天
D.半年
E.2~3周
参考答案:E
She was happy because she _______ act in a Hollywood film.[ ]
A. chose to
B. was chosen
C. was chosen to
D. has chosen to
叙述独立点火式电子点火系的优点