离心泵铭牌给出的性能参数的试验条件是()。A.1MP20摄氏度清水 B.1MP25摄

题型:单项选择题

问题:

离心泵铭牌给出的性能参数的试验条件是()。

A.1MP20摄氏度清水

B.1MP25摄氏度清水

C.1MP20摄氏度汽油

考点:催化裂化装置操作工高级催化裂化装置操作工高级催化裂化装置操作工题库
题型:单项选择题

以下对信息系统建设原则的理解,不正确的是______。

A.在项目实施过程中,应由承建方高层直接抓项目管理
B.应切实加强用户的参与
C.信息系统建设是一把手工程,应得到建设方高层的大力支持
D.在信息系统项目实施过程中应制定计划,计划可按照需要和工作程序及时调整

题型:单项选择题

The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.

A call to Rosie’s Psychic Hotline costs $5.99 for the first 2 minutes and $1.99 for each additional minute. Stuart called the hotline for x minutes, where x is an integer. How many minutes long was the call ?()
(1) The total charge for the call was $11.96.
(2) The charge for the last 3 minutes of the call was $0.01 less than half the total cost of the call.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

题型:单项选择题

用来衡量心界增大与否及增大程度常用的垂直线为

A.腋中线
B.胸骨线
C.锁骨中线
D.胸骨旁线
E.腋前线

题型:单项选择题

乙丙橡胶 ( )

题型:单项选择题

应急撤离滑梯的预位()

A.当关门时自动预位

B.当锁门时自动预位

C.飞机在地面,门锁好后自动预位

D.人工将滑梯杆插入地板支架内

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