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【单选题】
假定 A 为一个类,则执行 A x[5]; 语句时将自动调用 A 类的 ____ 。
A.
有参构造函数
B.
无参构造函数
C.
拷贝构造函数
D.
赋值构造函数
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参考答案:
举一反三
【单选题】He got me ______ his parents when he joined the army.
A.
look after
B.
to look after
C.
look on
D.
to look on
【单选题】低频T5557卡常规写块串口命令中数据段大小为?
A.
5
B.
0
C.
1
D.
3
【单选题】听力原文:W: Look at that boy. He's in the tree, isn't he? M: Yes, I think so. How dangerous ! W: We had better tell him to get down. M: Quite right. But be sure not to frighten him. Who's in the tree?
A.
A man.
B.
A boy.
C.
A woman.
【单选题】微波线路传播的距离一般为
A.
10公里
B.
50公里
C.
100公里
D.
500公里
【多选题】关于截止阀以下哪些描述是正确的(   )
A.
适用于≤50mm管道上
B.
适用于水流双向流动
C.
关闭紧密,但水流阻力大
D.
适用于水流单向流动
【简答题】查找8位编码: 铜头铁钉(铁杆重量占 80% )( )
【单选题】He decided to ______ the matter himself.
A.
look through
B.
look into
C.
look after
D.
look for
【单选题】人说话的时候声带是什么样的状态?
A.
拉紧的
B.
放松的
【单选题】I’m surprised to see that he has an_____look on his face.
A.
absent
B.
absolute
C.
academic
D.
absorbent
【单选题】Why did tom look worried according to the conversation?
A.
Because he had an accident this morning in which a girl was badly hurt.
B.
Beeause he couldn't ride his bike to school this morning.
C.
Because the girl he loved was badly hurt by him this morning.
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