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【简答题】
Before the television was 1........, families spent their spare time doing different activities together. Now, most families stay at home and watch TV. But there are a few reasons why watching television can be 2............. The most important reason why watching TV is bad is it influences how much family members 3........... Parents, grandparents, and other family members have a lot of wisdom to share. This wisdom, however, is often4............ by young people who watch TV. Furthermore, watching television is bad because it reduces children’s study time. Researchers have found that children who watch little or no television spend three hours a day on study more than 5............. TV watchers. Finally, TV programs can be a bad 6............... Some shows, as we all know, include 7........... language and too much 8.............. And while there is still a great amount of general discussion as to whether or not children will 9............. the bad things they see on TV, many researchers say children do repeat what they see. Several studies link their behaviors to TV programs; for example, children are three times more 10.............. to get into fights at school if they watch violent TV programs.
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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
【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.
【单选题】Based on the pronunciation of the underlined part, tick out the word that is different from the others.
A.
th e se
B.
l e ss
C.
b e lt
D.
sm e ll
【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...
【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.
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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