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【判断题】
若逐期增长量每年相等，则其各年的环比发展速度一定是逐年下降的。A.
正确
B.
错误
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举一反三
【单选题】— Have you returned the book _______? — Yes, I've _______ returned it.
A.
already, already
B.
yet, yet
C.
yet, just
D.
just, already
【单选题】— _____ you _____ the book to the library yet? — Yes. I _____ it just now. [ ]
A.
Have, returned; returned
B.
Do, return; returned
C.
Will, return; have returned
D.
Did, return; returned
【单选题】指出下面关于n重贝努里试验的陈述中哪一个是错误的()
A.
一个试验只有两个可能结果，即“成功”和“失败”
B.
每次试验成功的概率p是相等的
C.
试验是相互独立的
D.
在n次试验中，“成功”的次数对应一个连续型随机变量
【单选题】Speaker A: I've just been reading through your last project. Speaker B: I hope you didn't find much wrong in it. Speaker A: ______, you've done a fantastic job.
A.
On the contrary
B.
On the other hand
C.
Don't forget
D.
Don't be silly
【单选题】— Have you returned the library book ? — Yes, I've returned it. [ ]
A.
already; already
B.
yet; yet
C.
already; yet
D.
yet; already
【简答题】中央军事委员会实行( )。对及其常委会负责。 A负责制 B民主集中制 C责任终身制 D负责制
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