皮皮学，免费搜题
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【单选题】
进行假设检验的目的是A.
由样本统计量估计总体参数
B.
计算样本统计量
C.
确定发生该观察结果的概率
D.
判断样本统计量之间的差别是抽样误差造成还是本质不同引起
E.
以上都不对
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皮皮学刷刷变学霸
举一反三
【单选题】– What did he say just now? ––He asked me ________ in Jinhua.
A.
when did the Trade Fair open
B.
when the Trade Fair open
C.
when the Trade Fair opened
D.
when does the Trade Fair open
【单选题】Since when did the developing countries become more and more important in global trade?
A.
1950s
B.
1960s
C.
1970s
D.
1980s
【单选题】How did Christopher Columbus discover the Americas?
A.
He was commissioned by the King and Queen of Spain to find an alternative trade rout to India.
B.
He was commissioned by the Italian King to locate suitable lands for new colonies.
C.
He was commissioned by the British to establish a new tea trade route with India.
D.
He was evading pirates as he navigated the Atlantic when he accidentally discovered the West Indies.
【单选题】When Katniss began gathering food, where did she begin to trade her supplies? Her father’s connections at this place helped her to trade easily.
A.
The mayor’s office
B.
The Capitol
C.
The meadow
D.
The Hob
【单选题】When did the man start to study art?
A.
When he was in high school.
B.
After he went to a trade school.
C.
After he became a junior in college.
D.
After he became a senior in college.
【单选题】—What did Kate say just now? —She asked _________.
A.
who has been to the USA in our class
B.
what was wrong with my computer
C.
when did China become a member of the World Trade Organization
D.
that China had successfully held the Olympic Games
【单选题】患者女,45岁。行宫颈癌根治术后第12天。护士在拔尿管前开始夹闭尿管,定期开放,以训练膀胱功能。开放尿管的时间为
A.
每5小时1次
B.
每2小时1次
C.
每3小时1次
D.
每4小时1次
E.
每1小时1次
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