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【判断题】
温室长度一般建成80-100米。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】A．Because he has to pick up his wife at home. B．Because he wants to buy something in the supermarket. C．Because he has to work until five. D．Because he wants to have a rest in the afternoon.
【简答题】A．He is going to sign a contract. B．He is signing his check to buy something. C．He wants to skim through the piece. D．He wants to register his name to enroll a course.
【简答题】How many computers will the writer want to buy? He wants to buy______.
【简答题】Which seasons clothes does the buyer want to buy?He wants to buy ______ clothes.
【简答题】作业的地址空间指的是______程序所占据的空间，而地址空间中的地址称为逻辑地址或相对地址。内存地址集合称为内存空间或物理地址空间，它的地址称为______。
【单选题】五个样本率作比较，χ2＞χ20.01(4)，则在α=0.05的检验水准下，可认为
A.
各总体率不全等
B.
各总体率均不等
C.
各样本率均不等
D.
各样本率不全等
E.
至少有两个总体率相等
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