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【单选题】
Man: Get a move on. We need to be at the airport in an hour. Women: Come on! There's plenty of time. Remember, we're going on this trip to relax, ______.
A.
we're in the same boat
B.
not the other way around
C.
so let's go
D.
so forget it
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参考答案:
举一反三
【判断题】样本量增大时,极差可能会增大。
A.
正确
B.
错误
【简答题】Work in groups. What departments make up a real estate company? Try to figure out as many as you can and write them down.
【判断题】样本量增大时,极差会增大。
A.
正确
B.
错误
【单选题】达尔文进化学说的核心是( )。
A.
生存斗争
B.
适者生存
C.
遗传和变异
D.
自然选择
【简答题】Pre-viewing Work in groups. What departments make up a real estate company? Try to figure out as many as you can and write them down.
【简答题】Textbook Page59-60 Work in groups. Make a video according to the following information: Mr. White is the general manager of the New Times Electronics Trading Company in Sydney. You are a sales manager...
【多选题】面粉中掺过氧化苯甲酰的主要目的是 ( )。
A.
提高面粉白度
B.
掩盖不良气味
C.
增加面粉质地
D.
改善面粉营养
【单选题】达尔文进化学说的核心是()。
A.
适者生存
B.
遗传和变异
C.
生存斗争
D.
自然选择
【判断题】楼地面找平层工程量等于主墙间净长度乘以主墙间净长度减去不做找平层面积
A.
正确
B.
错误
【多选题】下列论断中,不正确的是
A.
均数总是大于中位数
B.
均数总比标准差大
C.
样本均数大时,标准差也一定会大
D.
样本量增大时,极差一定增大
E.
变异系数没有量纲
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