采用电潜泵排水采气,井深一般不超过()A.3000m B.3500m C.4000m

题型:单项选择题

问题:

采用电潜泵排水采气,井深一般不超过()

A.3000m

B.3500m

C.4000m

D.4500m

考点:采气工考试采气高级工考试采气高级工考试题库
题型:单项选择题

急性代谢性酸中毒时,机体的代偿方式是主要依靠肺的代偿。

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Conversation 2

[听力原文]8-10

W: KLM, good morning.

M: Oh, hello, I wonder if you could help me. Er... do you have any flights from Amsterdam to Vienna and back

W: Yes, we have a flight every day, every morning, except on Saturdays.

M: So the flight does operate on Sundays, then.

W: It leaves at eight oh five. That’s flight number KL two five five, and it arrives in Vienna at nine forty-five.

M: And how much is a return ticket, please

W: You want Amsterdam-Vienna return price, do you

M: Yes, that’s right.

W: The price of the return ticket is fourteen hundred Dutch Guilders.

M: Thanks a lot. Goodbye.

When does the flight arrive in Vienna()

A.8:05.

B.2:55.

C.14:00.

D.9:45.

题型:单项选择题

原肾型排泄系统来源于哪个胚层()

A、外胚层

B、内胚层

C、中胚层

D、中胶层

题型:单项选择题

慢性阻塞性肺疾病及肺动脉高压的典型表现是:灌注显像与通气显像__________的放射性减低区或缺损区,与________无关,其中肺动脉高压表现为:__________,形成一种“八”字形。

题型:单项选择题

数控机床按照伺服控制方式分类,可以分为()、半闭环数控机床、闭环数控机床。

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