酱油的卫生问题主要是微生物污染与()问题。A、化学污染 B、生虫 C、生蛆 D、生霉

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问题:

酱油的卫生问题主要是微生物污染与()问题。

A、化学污染

B、生虫

C、生蛆

D、生霉

考点:西式面点师考试西式面点师理论(初级)西式面点师理论(初级)题库
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如图所示,光滑的水平面上有两块相同的长木板A和B,长为=0.5m,在B的右端有一个可以看作质点的小铁块C,三者的质量都为m,C与A、B间的动摩擦因数都为μ。现在A以速度ν0=6m/s向右运动并与B相碰,撞击时间极短,碰后A、B粘在一起运动,而C可以在A、B上滑动,问:如果μ=0.5,则C会不会掉下地面?

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阅读短文,根据短文内容,从短文后的五个选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。
    
     Joe Green is a postman. He works all day and meets his friends in the club in the evening. 1_____. It was
August 26th. He was on his way home when he saw a UFO in the sky. Joe got out of his car, and watched it.
Finally, it stopped in a park. Joe was very excited. He walked towards the UFO and got in. Then, it took off!
Joe was worried. He didn't know what to do. The UFO flew into the sky. 2_____. Joe went home and told his
wife the story. She didn't believe him. He went to the police station and told the policeman there. 3_____.
Finally, Joe went to the club and told his friends. They laughed at him. A UFO?! A trip into the sky?! They
thought it was a joke. Joe didn't care. He knew it was true. 4_____.
A. He went swimming after work
B. The policeman didn't believe him, either
C. After several minutes it returned to the same park
D. But there was a strange thing happened last summer
E. Now he goes to the same park every night and waits for the UFO
题型:单项选择题

在成本计算估价法中,非标准设备的原价有哪些费用构成?

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用于故障后恢复的是______。

A.日志文件
B.缓冲区数据
C.后备副本
D.磁盘文件

题型:单项选择题

古树养护管理的一般措施包括哪些?

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