随着排量的变化,钻井泵分为哪两种工作状态?

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问题:

随着排量的变化,钻井泵分为哪两种工作状态?

考点:土木建筑工程钻井工程钻井工程题库
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患者男性,前列腺术后。

术后安置的气囊导尿管拔除应在

A.24小时内

B.24~72小时

C.5~7天

D.10~21天

E.25~30天

题型:问答题 简答题

下列胎心监护变化哪项是有意义的()

A.胎心的基线率110~120次/分变异正常,有加速变化

B.基线正常,变异平直,有加速反应

C.基线160次/分,变异正常,有加速

D.基线正常,变异部分显示正弦曲线,有加速反应

E.基线正常,变异平直,有自然减速

题型:问答题 简答题

具有“喜条达而恶抑郁”特点的脏是

A.肝

B.心

C.脾

D.肺

E.肾

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The old camera Brownie picked up in a charity shop was a splendid find .But the undeveloped film still inside turned out to be even more of a treasure.

New owner Don Roccoforte had it developed and saw in it an attractive dark haired woman in her thirties with two young boys. He immediately determined to try to find out who they were.

A few weeks later the California-based camera collector received the news that left him stunned. The woman was his wife Jaqueline’s aunt in a picture taken around 50 years ago, and one of the boys, her cousin.

The couple have now unraveled(揭开)the astonishing coincidence ,which leads back to Mrs. Roccoforte’s native Lancashire, where many of her family still live. The camera was bought from a shop in Preston by Brownie, a friend of Mr. Roccoforte, who knew of his interest in photography and thought it would be an unusual gift.

Back in California, the contents of his new possession inspired Mr. Roccoforte’s curiosity. Recognizing the water in the background of the photo as a lake in Lancashire; he sent a copy to the local paper in Preston to see if any readers could help.

Another relative recognized the group as Winnie Bamber, still living in the area at the age of 81, her son Tony, Mrs. Roccoforte’s cousin, and Tony’s childhood friend, Mick Murphy.

Yesterday Mrs. Bamber was still gasping(惊讶地吸气)at the turn of events which has reunited two strands(分支)of her family.

She said she remembered taking the boys to the lake and losing the camera. The two boys, both now 58, still live near Preston.

Mrs. Roccoforte’s father is Winnie Bamber’s brother, Billy Charnley.

He and his wife moved to America in the 1960s. Their daughter met Mr. Roccoforte there and they married and moved to Preston for two years before returning to America.

1 Which of the following is the right order of what happened?

a. Don Roccoforte received a special present from his friend.

b. Another relative recognized Winnie Bamber and the two boys.

c. Winnie Bamber ,together with two boys ,went to take pictures at a lake.

d. Don Roccoforte sent a copy of the picture to a paper in Preston.

e. The film was developed.

f. The camera was lost.

g. Brownie bought an old camera in a shop.

A. c→f→b→a→d→g→e      B. b→c→a→f→d→e→g

C. c→f→g→a→e→d→b      D. a→c→b→f→e→g→d

2. Which of the following statements is NOT true?

A. Tony is the son of Winnie Bamber.

B. Billy Charnley’s daughter was married to Don Roccoforte.

C. Brownie married Winnie Bamber.

D. Mrs. Roccoforte is Winnie Bamber’s niece.

3. The underlined word “stunned” is closest in meaning to ________.

A. disappointed      B. shocked      C. worried      D. satisfied

4. The best title for this passage would be ________.

A. The Film that Waited 50 Years to Be Developed

B. An Unusual Reunion after about Half a Century

C. A Special Present to a Special Friend

D. An Old Camera and the Beautiful Pictures Inside

题型:问答题 简答题

插拔单板需要戴防静电手腕,主要是为了()。

A.机房统一管理

B.保护维护人员,不要被触电

C.保护机柜

D.护单板

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