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【单选题】
甲、数列的平均数分别为100和14.5,它们的标准差为12.8和3.7,则(    )。
A.
甲数列平均数的代表性高于乙数列
B.
乙数列平均数的代表性高于甲数列
C.
两数列平均数的代表性相同
D.
两数列平均数的代表性无法比较
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【单选题】______ hearing his father is dead,he feels very sad. [     ]
A.
At
B.
In
C.
Upon
D.
To
【简答题】完形填空。 Mingming is the 1 student in our class. His father is a 2 in a factory. His mother is a teacher. He 3 a sister and a brother. His sister is 4 younger than him. But she is much 5 than Mingming. H...
【简答题】A father is very worried about his son, 小题1:_____acts like a coward. So his father paid a visit to the and 小题2:_____(ask) him to train his son. The said, “I promise I’ll be able to train...
【单选题】Jim likes his drum very much.He makes a noise( 噪音 ) with it , but his mother doesn't say anything about it.His father is not at home.He is working in a school.So he doesn't hear the noise. Jim's fathe...
A.
a worker
B.
a teacher
C.
a cleaner
【单选题】 混装法通常
A.
 适用于前牙缺失而无唇侧基托的可摘局部义齿
B.
 适用于全口义齿的装盒
C.
 缺牙较多的义齿可以采用
D.
 适用于大多数局部可摘义齿的装盒
【单选题】His father is very angry him his study.
A.
at; with
B.
with; at
C.
to; about
【简答题】自动扶梯的整体结构主要由()()()()()()组成。
【简答题】A.Will's father used his influence to help him in. B.Will's father is a very important guy here. C.Will is a good candidate for the college. D.Will knows nothing about college rules.
【判断题】混装法通常适用于大多数局部可摘义齿的装盒
A.
正确
B.
错误
【单选题】混装法通常
A.
适用于前牙缺失而无唇侧基托的可摘局部义齿
B.
适用于全口义齿的装盒
C.
缺牙较多的义齿可以采用
D.
适用于大多数局部可摘义齿的装盒 我的答案:
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