题目内容

每次测定供试品的旋光度之前,一定要用纯水做空白校正

A. 对
B. 错

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什么是室内设计?室内设计包括哪些内容?

室内设计是如何分类的?

( ) is an arithmetic bit operation.

A. The exclusive OR
B. The unary NOT
C. Subtraction
D. All of the above

( ) is a logical bit operator.

A. The exclusive OR
B. The unary NOT
C. The binary AND
D. All of the above

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