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【简答题】
为调查某单位每个家庭每天观看电视的平均时间是多长,从该单位随机抽取了64户,得样本均值为6.75小时,样本标准差为2.25小时。在95%的置信水平估计家庭平均每天看电视时间的区间范围在___小时到___小时之间。 注:计算结果保留两位数。
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【单选题】I left them alone, as I felt I was _____. [ ]
A.
in a way
B.
on the way
C.
in the way
D.
in no way
【简答题】___________ adv. in the same way
【简答题】adv. in a way that is opposite to sth.
【单选题】According to the passage, which of the following is NOT true?
A.
Social values play an important role in social change.
B.
Social change is more likely to occur in the material aspects of society.
C.
Social change is more likely to occur if it comes gradually.
D.
Social change tends to meet with more difficulty in basic and emotional aspects of society.
【简答题】There is more than one reason for which you need to hire a business attorney（律师）. It is very important to hire some good attorney for your business especially because of the fact that you will need th...
【简答题】下列叙述正确的是:A. 一个纳米是一米的十亿分之一,则一个纳米是无穷小; B. 无穷小是零; C. 零是唯一可作为无穷小的常数; D. 无穷小是以零为极限的变量;
【简答题】adv. (fml) in a way that is the oppsite of sth
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