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【判断题】
离均差是指观测值与其平均数之差的平方。 ( )
A.
正确
B.
错误
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参考答案:
举一反三
【判断题】标签中有营养声称或营养成分功能声称的预包装食品可以豁免标识营养标签。
A.
正确
B.
错误
【判断题】煮沸强度的高低,与煮沸锅的导热系数、造型、加热面积、煮沸方法无关,而与蒸汽压力、麦汁的蒸发面积有关。
A.
正确
B.
错误
【简答题】Pick out the verbal phrases indicating s that happen earlier. One day, my friend Liu came to see me. He told me that the college had arranged a meeting for the evening, and he had offered to prep...
【简答题】The next day I sat down,with almost a hundred other candidates,for the intelce test.I must have done all right because after about half an hour’s wait I was sent into another room for a psycholog...
【单选题】I had hardly sat down ___________ he stepped in.
A.
when
B.
that
C.
until
D.
after
【判断题】麦汁煮沸强度的高低,与煮沸锅的导热系数、造型、加热面积、煮沸方法无关,而与蒸汽压力、麦汁的蒸发面积有关。
A.
正确
B.
错误
【单选题】I had hardly sat down_____ the telephone rang
A.
than
B.
when
C.
as
D.
after
【简答题】Read the following paragraph and pick out those words and phrases indicating time sequence . One day, my friend Liu came to see me. He asked me to help him prepare the room for the meeting in the even...
【简答题】After I had sat down, he said that _______was very bad.
【判断题】煮沸强度的高低,与煮沸锅的导热系数、造型、加热面积、煮沸方法无关,而与蒸汽压力、麦汁的蒸发面积有关。
A.
正确
B.
错误
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