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【单选题】
不存在趋势的序列称为( )A.
非平稳序列
B.
周期性序列
C.
平稳序列
D.
季节性序列
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【简答题】Complete the following sentences by choosing the correct word from those given in brackets. 22. We have done (many, much) work today.
【单选题】We______the last bus and didn't have any money
A.
22. We______the last bus and didn't have any money fortaxi, so we had to walk home. ( 全国 1) A. reached
B.
lost
C.
missed
D.
caught
【单选题】We are late. I expect the film____ by the time we get to the cinema.
A.
has started
B.
will have started
C.
will start
D.
may start
【单选题】—Have you heard today’s weather forecast?—Yes. Better weather is____. We can expect an outing. A．
A.
22.—Have you heard today’s weather forecast? —Yes. Better weather is____. We can expect an outing. A．in the way
B.
by the way
C.
in this way
D.
on the way
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