急性职业中毒应在多长时间之内报告()
A.24小时之内
B.立即住院治疗
C.应立即向有关主管部门报告
D.每6~12个月
E.15天之内
参考答案:A
If you don’t study English all the time, you’ll have a difficult time ____ it in the future.
A.studying
B.to studying
C.studied
D.be studying
单斜舌插芯门锁