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【单选题】
样本指标和总体指标A.
前者是个确定值，后者是个随机变量
B.
前者是个随机变量，后者是个确定值
C.
两者均是确定值
D.
两者均是随机变量
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皮皮学刷刷变学霸
举一反三
【单选题】---- Hi, Han Meimei, you ______ on the phone. ---- Oh, I am coming. A. want B.wanted C. are wanted D. are wanting
A.
B.
C.
D.
D
【简答题】用所给词的适当形式填空。 1. Are you going to exercise_______ (much) or less this year? 2. Many_______ (read) are interested in the story. 3. There are a lot of _______ (build) in our city in a few years. 4. —D...
【单选题】-Why are you in such a hurry, Meimei? -The fashion clothes are sold in the supermarket at the moment?
A.
bought
B.
have sale
C.
on sale
D.
selling
【单选题】听力原文：M: Hello, Meimei. W: Hi, Frank. M: You don't look very well. Do you feel sick? W: No. But I have bad news. M: Really? What is it? W: I failed the maths exam. M: You are very good at maths. How is...
A.
Strangers.
B.
Teacher and student.
C.
Friends.
【简答题】选择，把标号填在空白处。 Meimei: Today 1_________ my birthday. Father: Oh, happy birthday 2_________ you. Father: How old are you? Meimei: I'm 3_________. A. are B. is C. to D. three
【简答题】李斯特被称为钢琴 。
【单选题】Movements in GDP
A.
differ greatly from movements in GNP.
B.
do not differ greatly from movements in GNP.
C.
are not allowed to differ at all from movements in GNP by definition.
D.
need to be inflation adjusted in order to match movements in GNP.
E.
are not relevant to an examination of national income.
【简答题】根据语境，用恰当的语言完成对话。 ( Meimei and Linlin are talking to each other in the school bus.) Meimei = M Linlin = L M: Hi, Linlin. You are in Grade Nine now. Is your life quite different? L: Yes, I used to get u...
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