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【简答题】
Following the first reports of cases of acute respiratory syndrome in the Chinese Wuhan city at the end of December 2019, Chinese authorities have identified a novel coronavirus as the main causative agent. The outbreak has rapidly evolved affecting other parts of China and outside the country. There were 52,526 confirmed cases on the Chinese mainland at the end of Wednesday, 13 February, and 1,367 people had died of the disease by the end of the day. What effects in your opinion will be caused by this epidemic disease? Please list three or more effects and explain. Your writing should be no less than 150 English words.
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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
【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.
【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...
【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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