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问题
选择题
毫米和厘米间的进率是[ ]
A.10
B.100
C.1000
答案
答案:
A
补全对话,情景问答
句子配对。
( ) 1. What's in your bag?
( ) 2. How many books do you have?
( ) 3. What colour is it?
( ) 4. Where's your schoolbag?
A. I have twelve.
B. It's on the desk.
C. Two rulers and eight books.
D. It's green.
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单项选择题 A1型题
如果均数为0,标准差为1的分布是()
A.正态分布
B.标准正态分布
C.负偏态分布
D.正偏态分布
E.标准差分布
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