皮皮学,免费搜题
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搜题
【多选题】
统计总体的特征表现为
A.
大量性
B.
数量性
C.
同质性
D.
差异性
E.
客观性
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皮皮学刷刷变学霸
举一反三
【单选题】寰枢关节正位,下列错误的说法是()
A.
可选择第1~2颈椎张口位
B.
曝光时口腔尽量张大并发“啊”声
C.
上、下切牙连线对暗盒中心
D.
中心线对准第1颈椎垂直暗盒射人
E.
上颌切牙咬合面与乳突尖连线垂直于床面
【单选题】在编制等距数列时,如果全距等于63,组数为7,为统计运算方便,组距取
A.
8
B.
9
C.
11
D.
10
【判断题】在编制等距数列时,如果全距等于56,组数为6,为统计运算方便,组距取9。
A.
正确
B.
错误
【单选题】Mr. Phanourakis was 80 years old when he left his Greek mountain village and took. a foreign ship for America. His sons had done well in the restaurant business there and wanted him to spend his remai...
A.
to live the rest of his life with them
B.
and stay with them for a few years
C.
to help them run their restaurant
D.
to see how rich they had become
【单选题】Despite his parents' objection, he left home and quietly moved 800 km to a village, situated on the southwestern tip of a little island.
A.
obesity
B.
oblivion
C.
protection
D.
protest
【简答题】Dick was born in a farmer ’ s family. When he was old enough to go to school, his father take him to a school near his home. But Dick liked playing and was not good at his lessons. What was worse, he ...
【简答题】阅读理解。 Four years ago, when Mr Ted was sixty, he retired.  He left the restaurant in which he had worked for forty-three years and returned to his home village. There he bought a small piece of farm an...
【单选题】为统计运算方便,在编制等距数列时,如果全距是 48,组数是5,则组距为( )。
A.
5
B.
10
C.
9.6
D.
9
【单选题】在编制等距数列时,如果全距等于56,组数为6,为统计运算方便,组距取9。 ( )
A.
正确
B.
错误
【简答题】A.He left more than 200,000 dollars for charity. B.He left 3,000 dollars for repairing the village bus. C.He left 175,000 dollars for building houses for the homeless. D.He left most of his estate to ...
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