目前防爆摄像机的国际主流方式是（），其工作原理就是用防爆性的外壳隔开壳内通电等产生的

It was a chance of a lifetime to win the first               小题1:   

prize on the Story Writing Show. All I had to do                小题2:   

was to write a story or present it. My teachers                 小题3:   

have been telling me how great my writing was.                  小题4:   

So if they had said was true, I would have a chance              小题5:   

of winning the prize. What were better, I had useful            小题6:   

help. There was Uncle Chen, gentleman living                    小题7:    

near my house, who was a very much famous writer.               小题8:   

He agreed to reading my story and give me some                  小题9:   

advices on how to write like a real writer.                      小题10:   

两组对边分别平行的四边形是______．

船舶的重心的纵坐标随吃水的增加而（）。

A．增大

B．减小

C．不变

D．不确定

站用变器身检修时，温度应不低于周围环境温度，否则应采取对器身加热措施，如采用真空滤油机循环加热，使器身温度高于周围空气温度10℃以上。

默认（）会进行自动提现。

A.周一

B.周二

C.周三

D.周五