压缩机启动后在定时器设定时间内,允许润滑油压力低于LO RUN OIL PRESSU

题型:单项选择题

问题:

压缩机启动后在定时器设定时间内,允许润滑油压力低于LO RUN OIL PRESSURE的()

A、启动值

B、运行值

C、复位值

D、关断设定值

考点:采油工考试海上采油工程仪表高级海上采油工程仪表高级题库
题型:单项选择题

下图表示胰岛素分子中的一条多肽链,其中有三个甘氨酸分别位于第8 、20 、23 位。下列叙述正确的是

[ ]

A.图中多肽链至少含有一个羧基(位于第1位)和一个氨基(位于第30位)

B.用特殊水解酶选择性除去图中三个甘氨酸,形成的产物比原多肽链多五个氧原子

C.用特殊水解酶选择性除去图中三个甘氨酸,形成的产物中有四条多肽

D.该多肽释放到细胞外需要经过两种细胞器的加工

题型:单项选择题

患者男性,34岁,双侧后牙接触时疼痛不适,一过性疼痛。查体:右侧上后牙见多个银汞充填体,下后牙见金属全冠修复。

该患牙处理应为()。

A.观察

B.磨除咬合高点

C.去旧充填物,改其他材料充填

D.开髓引流

E.去旧充填物,重新垫底,银汞充填

题型:单项选择题

二、完形填空(每小题1.5分,共30分)

阅读下面短文,掌握其大意,然后从每题所给的四个选项(A,B,C和D)中,选出最佳选项。

The famous scientist Albert Einstein died in 1955.His___36__ now is in the central state of Kansas of the U.S. It belongs to a retired (退休的) ___37__ doctor, Thomas Harvey. ___38__ did this happen? And why?

In the 1950s,Albert Einstein and Thomas Harvey __39__ each other when they both lived in Princeton, New Jersey. Einstein was working at Princeton University____40__ Doctor Harvey was working at Princeton Hospital. When Einstein died, Doctor Harvey was __41__ to examine his body. It was then that he started to study __42__ has become a long time examination of Einstein's brain. His goal was to __43__ some physical evidence(证据)of the scientist's genius(才华)。

Doctor Harvey, ___44__, did not tell Einstein's family that he __45__ the great man's brain. It was only later ___46__ the family learned of Doctor Harvey's work. They did not ___47__ the idea at first. After Doctor Harvey explained his idea to them, they agreed to __48__ him to study the brain Doctor Harvey then asked __49__ scientists to help. They cut the brain __50__ three pieces. They marked each piece before placing it in containers __51__ chemical formaldehyde(甲醛)to protect it. Doctor Harvey has been ___52_ Einstein's brain since then. He has carried it with him as he moved from place to place. He has also lent parts of the brain to other scientists ___53__ study.

Only one researcher has found something ___54__. A doctor at the University of California found that the left part of Einstein's brain has more certain cells(细胞)than __55__. Such cells are known to feed brain. She this may mean that the cells could affect intelligence.

36.A. body             B. heart                 C. brain                 D. head

37.A. actual           B. chemical           C. natural                     D. medical

38.A. What            B. How                 C. Who                 D. Which

39.A. realized             B. recognized         C. learned              D. knew

40.A. as                     B. because             C. while                D. since

41.A. called on       B. called at            C. sent up                 D. sent off

42.A. which               B. how                  C. that                   D. what

43.A. Invent              B. discover            C. prove                D. examine

44.Aperhaps              B. therefore           C. thus                 D. however

45.A. bought                 B. sold                  C. kept                  D. made

46.A. that                  B. when                C. before               D. after

47.A. hear of                 B. like                   C. suggest              D. offer

48.A promise              B. let                    C. have                 D. permit

49.A. other two          B. two other          C. more two          D. two another

50.A. off                   B. by                    C. into                  D. about

51.A. for                   B. about                C. of                        D. with

52.A. learning            B. studying            C. searching           D. selling

53.A. for                   B. on                    C. into                  D. about

54.A. easy                  B. difficult            C. particular          D. common

55.A. ever                  B. enough              C. usual                 D. Normal

题型:单项选择题

青少年时期出现脊柱后凸,多见于()

A.佝偻病

B.胸椎结核

C.类风湿性脊柱炎

D.骨质退行性变

E.椎间盘脱出

题型:单项选择题

监理合同的有效期是指( )。

A.合同约定的开始日至完成日

B.合同签订日至合同约定的完成日

C.合同签订日至监理人收到监理报酬尾款日

D.合同约定的开始日至工程验收合格日

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