物资验收有哪些要求？

小题1:Justin Young is a _______.

A．TV reporter

B．popular singer

C．song writer

D．radio reporter小题2: Which song does NOT change its place this week?

A．Are You There?

B．The Bees.

C．Say Cheese.

D．Perhaps.小题3: How many songs listed above are new this week?

A．One.

B．Two.

C．Three.

D．Four.小题4:Which of the following is NOT true according to the passage?

A．You can listen to Music Ground once a week.

B．Justin Young is talking about popular songs this week.

C．People can call in to listen to their favorite songs.

D．Stupid Machine is now in the radio station with OK Band.

容易引起副溶血性弧菌食物中毒的食品是（）

A.肉制品，剩米饭

B.鱼虾蟹贝类等

C.禽蛋类

D.面包、面条等食品

E.臭豆腐、豆酱等

压载水系统的管路上的阀门为止回阀。

钻开油气层前，应该做哪些井控工作？

带传动不宜使用的场合为（）。

A、潮湿

B、易燃烧

C、易爆炸

D、干燥