MEA溶液再生的优点是()。A、热能耗高 B、易降解 C、操作复杂 D、吸收效果好

题型:单项选择题

问题:

MEA溶液再生的优点是()。

A、热能耗高

B、易降解

C、操作复杂

D、吸收效果好

考点:合成氨装置操作工合成氨装置操作高级工合成氨装置操作高级工题库
题型:单项选择题

制定劳动定额的主要方法有技术测定法、()和经验估工法。

A.统计分析法

B.图解法

C.观察法

D.预测法

题型:单项选择题

Peter’s aunt comes to see his family and brings a kite to him.His mother gives it to  h 小题1:   after lunch. Peter w 小题2:    to fiy it but his mother doesn’t let him d  小题3:  so.“It’s time to go to school,”says to his mother,“or you’ll be l 小题4:    for class. You can play after supper.” Peter is not happy but he l 小题5:   to his mother. Now Peter is in the classroom but he’s looking out.Some children are fiying kites n 小题6:   the river.They are very high and Peter can see them in the classroom. He doesn’t listen to Miss Black. “Peter,please say nine things with milk in them.”says Miss Black. Peter doesn’t h 小题7:   her. A boy behind him taps(轻拍) his back and  Peter k 小题8:   it. He stands up and  Miss Black a 小题9:    the question again. He thinks for some t 小题10:   and then says, “Yes, teacher, tea, coffee, cake and...er---six cows(奶牛).”

题型:单项选择题

阅读下面材料,完成后面的问题。

  目前,看病难看病贵已成为了社会关注的热点。媒体在网上就这一热点设计了下面两项调查,调查的问题及结果如下:

(1)你生病时有前往大医院就诊的打算吗?

(2)影响你光顾大医院的主要因素是:

请你结合以上两组数据的主要信息,写出结论,并据此提出一条合理的建议。

结论:__________________________________________

建议:__________________________________________

题型:单项选择题

真分数和假分数比,真分数(  )假分数.

A.大于

B.大于或等于

C.小于

D.小于或等于

题型:单项选择题

Wang ping is no longer a child. 

A.not…anymuch

B.not…anylonger

C.notmore

D.not longer

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