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【判断题】
根据其溶解性可将维生素分为水溶性维生素和脂溶性维生素二大类。其中,脂溶性维生素摄入过量,人体积累,产生毒副作用。
A.
正确
B.
错误
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举一反三
【单选题】Mr. Smith ______working till he was seventy years old.
A.
kept up
B.
kept on
C.
kept to
D.
kept out
【单选题】用鼠标器来复制所选定的文件,除拖动鼠标外,一般还需同时按______键。
A.
Ctrl
B.
Alt
C.
Tab
D.
Shift
【单选题】桂林市,三亚市,张家界市,黄山市等属于
A.
历史文化名城
B.
自然风景城市
C.
新兴城市
D.
综合城市
【判断题】如抽样结果有95%的可信赖程度,则抽样结果有5%的可容忍误差。( )
A.
正确
B.
错误
【单选题】The price of goods kept ______. We had to cut the expenses in order to meet our daily needs.
A.
standing out
B.
going up
C.
breaking down
D.
putting up
【单选题】如果抽样结果有95%的可信赖程度,则抽样结果有5%的可容忍误差。( )
A.
正确
B.
错误
【单选题】如果抽样结果有95%的可信赖程度,则( )
A.
抽样结果有5%的可容忍误差
B.
抽样结果有5%的抽样风险
C.
抽样结果有5%的可容忍偏差率
D.
抽样结果有5%的预计总体偏差率
【单选题】The prices of goods kept ____. We had to cut the expenses in order to meet our daily needs.A.stan
A.
19.The prices of goods kept ____. We had to cut the expenses in order to meet our daily needs. A.standing up
B.
breaking down
C.
going up
D.
putting up
【单选题】Goods are kept in our __________ until ready for delivery.
A.
stock
B.
storage
C.
warehouse
【单选题】The prices of goods kept rising, _________ the wages of works kept the same.
A.
consequently
B.
otherwise
C.
whether
D.
whereas
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