除沫器的作用?

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问题:

除沫器的作用?

考点:甲醇装置操作工低温甲醇洗低温甲醇洗题库
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何谓竣工结算、竣工决算?

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用直接滴定法测定食品中还原糖含量时,要求样品测定和碱性酒石酸铜标定条件一致,需采取下列何种方法()。

A.滴定用锥形瓶规格、质量一致

B.加热用的电炉功率一致

C.进行样品预测定

D.控制滴定速度一致

E.标定葡萄糖标准溶液

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股份有限公司的设立可以采取的设立方式包括()。

A.发起设立

B.向特定对象募集设立

C.公开募集设立

D.社会募集设立

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A) 根据短文内容和所给汉语提示,写出空白处各单词的正确形式。(每空一词)

It’s no surprise that Laura Fagan is smiling—she has the sweetest job in the   1  (世界). Her job is to taste chocolate, desserts and cakes.

Laura works in the    2  (有名的)supermarket, Tesco. Her job is to try different kinds of desserts. She needs to try to travel to different    3  (城市)to try different desserts.

Although the job seems to be great, it is hard. Usually, Laura begins trying desserts as   4  (早地) as 8 am, and still trying new desserts at 6 pm    5   (在…之前)she goes back home. Fortunately, the job hasn’t made her too fat. She   6   (仅仅,只) worries about her teeth.

“Of course I was afraid of becoming fat when I   7  (开始) the job, so I try to do   8  (更多的) exercise. The main    9  (事情) is my teeth. I don’t think my dentist would be happy if I told them what I do, so I try to brush my teeth as often as    10  (可能的).”

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水泥砂浆强度的合格标准为同标号试件的平均强度不低于设计强度等级,但其中任一组试件的强度最低值不低于设计强度等级的( )。

A.85%
B.80%
C.75%

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