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【多选题】
编制时间数列可以A.
反映社会经济现象的发展变化状况
B.
反映社会经济现象的数量变化趋势
C.
计算社会经济现象的平均发展水平和平均发展速度
D.
测定社会经济现象的季节变动规律性
E.
为经济预测提供方法
手机使用
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反馈参考答案：
举一反三
【单选题】My father took the doctor 's advice ____ he shouldn't smoke.
A.
that
B.
/
C.
which
D.
why
【单选题】When the doctor1 took my temperature, it was three degree above______.
A.
average
B.
regular
C.
ordinary
D.
normal
【单选题】The doctor took my temperature and ________ to my heart.
A.
listens
B.
will listen
C.
has listened
D.
listened
【单选题】The doctor said there wasn't ______ wrong with my heart.
A.
something
B.
nothing
C.
anything
【简答题】旅游消费需求的类型和发展趋势
【简答题】阅读理解。 I took my dog, Phil, to the vet's (兽医诊所) yesterday. When the doctor came into the room, he was limping (跛行). 'What's wrong?' I said. 'Oh, it's my knee. They want me to really appreciate the oper...
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