（）认为，自私是人的天性，它与生俱来，不可消弭。
参考答案："人性自私论"
We’ll have to work extra hours, for there are still some problems ____________ ．[ ]
A．remaining to settle
B．remained settling
C．remaining to be settled
D．remained to be settled
需实施某种卫生处理或离开本港后应继续接受某种卫生处理的船舶，卫生检疫师出具( )。
A．《船舶入境卫生检疫证》
B．《船舶入境检疫证》
C．《船舶入境检疫合格证》
D．《船舶入境卫生检疫结果单》
