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【单选题】
在C#语言中,下列异常处理结构中有错误的是()A.
catch{}finally{}
B.
try{}finally{}
C.
try{}catch{}finally{}
D.
try{}catch{}
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【单选题】下列说法中错误的是( )
A.
l决定原子轨道的形状
B.
l决定原子轨道在空间的伸展方向
C.
磁量子数m决定原子轨道在空间的伸展方向
D.
量子力学的一个原子轨道是指n、l、m三个量子数具有一定数值时的一个波函数
【单选题】The workers insisted that they _____ a free lunch every noon and the boss had to give in. [ ]
A.
be given
B.
being given
C.
will be to give
D.
would be giving
【单选题】________ was known to them that the boss had broken his promise ________ he would give them a rise.
A.
What; what
B.
It; which
C.
It; that
D.
As; that
【单选题】The boss promised to give reward to ________can work the problem out.
A.
anyone
B.
everyone
C.
whoever
D.
whomever
【单选题】The boss is going to give his employees a raise to improve his image.
A.
The boss wants his employees to like him.
B.
The boss wants his employees to work harder.
【单选题】废水的特殊处理只要针对( )
A.
残留的悬浮物和胶体、 BOD 和 COD ，氨氮、硝酸盐。磷酸盐
B.
不能自然沉淀分离的微细悬浮颗粒、乳化物，难于为生物降解的有机物和有毒有害的无机物
C.
水呈胶体和溶解状态的有机污染物
D.
水中呈悬浮状态的固体污染物
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