回收塔分层器水相外送量及其它条件不变时,降低碳酸钠溶液的配制浓度,则回收塔分层器界位

题型:单项选择题

问题:

回收塔分层器水相外送量及其它条件不变时,降低碳酸钠溶液的配制浓度,则回收塔分层器界位将()。

A、不变

B、上升

C、下降

D、可能下降

考点:丙烯腈装置操作工丙烯腈装置操作工(高级)丙烯腈装置操作工(高级)题库
题型:单项选择题

补全对话   从每题  ABCD   四个选项中, 选出一个能够填入对话空白处的最佳选项。(5 分)

W: Hello! Tom. I haven't seen you for a long time. Where have you been?

M:           , Mrs. Green. I went to Brazil last month. I just came back yesterday.

W: Wow, that sounds great.         

M: Ten boys in my class.

W: What did you go there for?

M:        

W: In which city did you live when you were there?

M: In Rio de Janeiro. It's a big city and it's active, too.

W:       

M: It's not too cold in winter but it's very hot in summer.

W: Do you like the weather there?

M:            . But I like the city very much.

W: Are you going there again?

M: Yes. We have booked tickets to a soccer game. I am excited about that.

小题1:

A.Hello

B.Good morning

C.I’m fine

D.See you小题2:

A.How did you get there?

B.Who did you go there with?

C.When did you go there?

D.Which city did you visit?小题3:

A.We went there by air.

B.My parents paid more than $5,000 for the flight.

C.We had fun during the flight there.

D.We went on a summer camp there.小题4:

A.What do you think of the people there?

B.Does it often rain in summer?

C.How do you like the buildings there?

D.What's the weather like in Rio de Janeiro?小题5:

A.Yes, I do.

B.I love it very much.

C.Not really.

D.I don’t know.

题型:单项选择题

活动性Crohn病的一般治疗哪项是错误的()。

A.给予高营养食品

B.给予高纤维素食物

C.纠正水电解质紊乱

D.卧床休息

E.必要时可采用胃肠外营养治疗

题型:单项选择题

硫脲类药物的主要副作用是()

A.浸润性突眼

B.全血减少

C.甲状腺功能减低

D.粒细胞减少

E.中毒性肝炎

题型:单项选择题

老年性白内障最主要的临床表现是()

A.无痛性视力逐渐下降

B.色觉异常

C.双眼复视

D.眩光

E.老视减轻

题型:单项选择题

中药性状鉴定主要适应的对象()

A.完整药材

B.粉末状药材,气味明显

C.中药饮片

D.丸剂

E.注射剂

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