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【多选题】
除简单随机抽样外，概率抽样还包括（ ）。A.
系统随机抽样
B.
偶遇抽样
C.
分层随机抽样
D.
整群随机抽样
E.
重点抽样
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举一反三
【单选题】I didn't know what to do but then an idea suddenly () to me.
A.
happened
B.
entered
C.
occurred
D.
hit
【单选题】---- Did you know more about the mine accident、 ---- Oh, sorry, I had no idea. I ____ the Rescue Center now.
A.
will be phoning
B.
am to phone
C.
will phone
D.
phone
【单选题】Though I have no idea _______ the new film is about, I know it is popular with all who have seen it.
A.
whether
B.
why
C.
that
D.
what
【单选题】Only after I read the text over again _____ its main idea. [ ]
A.
that I knew
B.
did I know
C.
I could know
D.
I did know
【单选题】—I am wondering if we could go boating on the weekend. —It a good idea. A．soundB．sounded C．sou
A.
—I am wondering if we could go boating on the weekend. —It____a good idea. A．sound
B.
sounded
C.
sounding
D.
sounds
【单选题】建设单位管理费是指建设单位从（ ）为止发生的项目建设管理费用。
A.
项目筹建开始直至工程竣工验收合格或交付使用
B.
项目进场施工直至工程竣工验收合格或交付使用
C.
项目设计开始直至工程竣工验收合格或交付使用
D.
项目进场施工直至工程主体结构验收合格
【单选题】建设单位管理费是指建设单位从（）为止发生的项目建设管理费用。
A.
项目筹建开始直至工程竣工验收合格或交付使用
B.
项目进场施工直至工程竣工验收合格或交付使用
C.
项目筹建开始直至工程主体结构验收合格
D.
项目进场施工直至工程主体结构验收合格
【单选题】— How much is the latest style of the watch? — Sorry, I have no idea. But it and I will know the price soon. [ ]
A.
has produced
B.
has been producing
C.
is produced
D.
is being produced
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