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【判断题】
45°车刀的主偏角和刀尖角都等于45°A.
正确
B.
错误
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【单选题】Small, pink and very ugly. Hardly the qualities of a star, but they describe the deformed mouse that was the media darling at a recent science exhibition in Beijing. With a complex tissue structure in...
A.
it has an ear in the shape of a human ear
B.
it is unusually small and ugly as a star
C.
it is the focus of the media at the exhibition
D.
it indicates China's progress in biotechnology
【简答题】适用于物体表面和空气的简便灭菌方法是（ ）
【单选题】根据下列文章,请回答 6～10 题。 Text 2 Many phrases used to describe monetary policy, such as 'steering the economy to a soft landing' or 'a touch on the brakes', makes it sound like a precise science. Nothing cou...
A.
is comparable to driving a car.
B.
is similar to carrying out scientific work.
C.
will not influence the economy immediately.
D.
will have an immediate impact on the inflation rate.
【单选题】某机字长8位,采用补码形式(其中1位符号位),则机器数所能表示的范围是()。
A.
-127～127
B.
-128～127
C.
-128～+127
D.
-128～+128
【简答题】适用于物体表面和空气的灭菌方法是
【简答题】仅适用于物体表面和空气环境灭菌（ ）
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