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【简答题】
在声明类时,在类名前( )修饰符,则声明的类只能作为其他类的基类,不能被实例化。
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举一反三
【单选题】I wonder ______, Mr.Smith. We're looking for him everywhere. [ ]
A.
where has your son been
B.
where your son has been
C.
where have you gone
D.
where your son has gone
【简答题】What will you do if you get five million(百万)? Different people give different answers. Sally If I get five million, I want to do business. I will do a lot of things for my family. For me nothing is ...
【单选题】有关楼梯设计的以下表述，哪条不恰当?
A.
楼梯段改变方向时，平台扶手处的宽度不应小于梯段净宽
B.
每个梯段的踏步不应超过20级，也不应少于3级.
C.
楼梯平台上部和下部过道处的净高不应小于2m，梯段净高不应小于2. 2m
D.
儿童经常使用的楼梯，梯井净宽不应大于200mm，栏杆垂直杆件的净距不应大于110mm
【简答题】If you take five eight, you get three.
【单选题】—Do you have any problems if you five minutes to read? —Well, I’m thinking about the new words. There are too many. [ ]
A.
give
B.
are given
C.
will be given
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