要加大对矿井防治水工作的监察力度,严格执行()的方针。
A、预测预报
B、预防为主
C、有疑必探
D、先探后掘
E、先治后采
参考答案:A, C, D, E
根据图画提示,完成句子,每空填一词。
1. The hippo _ _ than the monkey.
2. John _ every Sunday.
3. He _ yesterday.
4. Look, the girl now.
5. She is going to ____ tomorrow morning.
盛产于端午节前后的虾蟹类原料是______。
A.大闸蟹
B.对虾
C.虾蛄
D.青虾