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【单选题】
假定一个循环队列的队头和队尾指针分别为P和q，则判断队空的条件为_________。A.
p==0
B.
p+1==q
C.
q+1==p
D.
p==q
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【单选题】—— Can’t you notice the person shaking hands with the leader? He is our classmate Tom! —— Oh, my God ! I ____________ him.
A.
don’t recognize
B.
didn’t know
C.
don’t know
D.
didn’t recognize
【单选题】— Have you finished your experiment report, Jane? — Oh, my god, I've _____ forgotten all about that. [ ]
A.
strongly
B.
extremely
C.
entirely
D.
freely
【单选题】—Why haven’t you bought any gifts for your grandparents? —Oh, my god! I ______ to , but I totally forgot all about it when shopping.
A.
liked
B.
wished
C.
meant
D.
expected
【简答题】水库遇下游保护对象的设计洪水时在坝前达到的最高水位称（ ）。
【单选题】— Oh my god! You ______ wear slippers to attend the conference. — I'm sorry I forgot there is a conference. [ ]
A.
must
B.
can
C.
should
D.
shall
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