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【单选题】
下列属于MRP的特点()。A.
非确定性
B.
简单性
C.
非相关性
D.
优越性
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反馈参考答案：
举一反三
【单选题】My mother hasn’t been to Beijing , my father .
A.
so ; has
B.
neither ; hasn’t
C.
nor ; hasn’t
D.
but ; has
【单选题】It ____________ whether he will go on with his study at the university.
A.
hasn't been decided
B.
isn't decided
C.
hasn't decided
D.
doesn't decide
【单选题】------ Smith hasn't come back, hasn't he ? ------ ______. He will return next week.
A.
Yes, he has
B.
Yes, he hasn't
C.
No, he hasn't
D.
No, he has
【单选题】There has been a positive response to the export promotion, ______? ( )
A.
hasn't it
B.
hasn't there
C.
doesn't it
D.
has there
【单选题】We can’t go on with the experiment because the computer_________.
A.
hasn’t been repaired
B.
hasn’t repaired
C.
is not repaired
D.
hadn’t been repaired
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