皮皮学,免费搜题
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【单选题】
下列选项接待主旨理解错误的是().
A.
客随主便
B.
尊重客人
C.
服务客人
D.
主随客便
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举一反三
【单选题】According to Obamas 2011 blueprint, how long would it take for illegal immigrants to gain citizenship?
A.
Eight years.
B.
Five years.
C.
Thirteen years.
D.
Eleven years.
【单选题】According to this passage, how long would the computer be down?
A.
For 10 minutes.
B.
Between 10 minutes and 2 hours.
C.
It would be down for two hours.
D.
It wasn’t clear.
【单选题】已知总体X的分布为P{X = i} = 1/4, i = 0, 1, 2, 3, 抽取n = 36的简单随机样本X1, X2, ..., X36, 若Y = X1 + X2 + ... + X36, 则E(Y), D(Y)分别为().
A.
36 , 54
B.
45 , 54
C.
54 , 36
D.
54 , 45
【简答题】Knowing how long the test would last, the students who finished ____ back and waited until the end of the exam. A.settle B.settled C.settling D.to settle
【判断题】推拿主要用于治疗乳痈初起尚未成脓时。
A.
正确
B.
错误
【单选题】已知总体X的分布为P{X=i} = 1/4,i= 0,1,2,3,抽取n= 36的简单随机样本X1,X2,...,X36,则E(X),D(X)分别为( ).
A.
1.5 ,1.25
B.
1.25 ,1.5
C.
1.35 ,2.0
D.
2.0 ,1.35
【单选题】已知总体X的分布为P{X = i} = 1/4,i = 0,1,2,3,抽取n = 36的简单随机样本X1,X2,...,X36,则E(X), D(X)分别为( ).
A.
36 , 54
B.
45 , 54
C.
54 , 36
D.
54 , 45
【判断题】喷油器是电控发动机燃油喷射系统中的重要执行器
A.
正确
B.
错误
【单选题】下列哪项不是关注学生的生命性的内涵意义( )
A.
尊重学生的个性差异
B.
把学生当成一个完整的人看待
C.
学生是独立性自主性的存在
D.
尊重学生的人格
【单选题】According to the passage, how long does it take for a would-be physician to become an independent physician in the USA?
A.
About seven years.
B.
Eight years.
C.
Ten years.
D.
About twelve years.
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