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【判断题】
C语言中,NULL是一个指针常量。A.
正确
B.
错误
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【单选题】Dear, you need to by next week, to go to university at home or to go abroad.You are going on eighteen. OK, Mum. I am considering it.
A.
make an appointment
B.
make a suggestion
C.
make a decision
【简答题】在三相五线制供电系统中,一根相线与另外一根相线之间的电压称为 ____ 。通常国内该电压为 ____ V。一根相线与零线之间的电压称为 ____ 。通常国内该电压为 ____ V。
【单选题】—Would you like me to go to the dentist with you? —No, you______with me.
A.
need not to go
B.
need not go
C.
do not need go
D.
not need go
【单选题】I want to go to the cinema, but you _____ with me.
A.
need not to go
B.
do not need go
C.
need not go
D.
need go not
【单选题】I want to go to the dentist, but you ______ with me.
A.
need not to go
B.
do not need go
C.
need not go
D.
need go not
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