【单选题】【消耗次数：1】
以下的方法哪项不属于抽样调查的方法（）
①
分层抽样
②
普查
③
分群抽样
④
简单随即抽样
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【判断题】
某次抽样中，从某市所有小学中用简单随机抽样的方法抽出40所学校，然后分别在这40所学校中用简单随机抽样的方法各抽取2名学生，最终合成全市80人的小学生样本。该抽样方法属于分层抽样.
①
对
②
错
随机题目
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We came finally _________ the conclusion that she has been telling lies all the time.
①
of
②
into
③
to
④
at
【单选题】
It was well known that Thomas Edison _____ the electric lamp.
①
discovered
②
invented
③
found
④
developed
【单选题】
The garden _______while the Greens were away from home.
①
took good care of
②
was taken good care
③
was taken good care of
④
was taking good care
【单选题】
We’ve missed the last bus. I’m afraid we have no ________ but to take a taxi.
①
way
②
choice
③
possibility
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selection
【单选题】
I didn’t know what to do, but then an idea suddenly ________ to me.
①
appeared
②
happened
③
occurred
④
emerged
【单选题】
Youve caught a cold. Youd better _______to school.
①
go
②
to go
③
not go
④
not to go
【单选题】
________ you are leaving tomorrow, we can have dinner together tonight.
①
Since
②
While
③
For
④
Before