【单选题】
( ) 32. What does the expression “to touch all bases” mean?
A. To try your best to set a new record.
B. To get a chance to be the greatest hitter.
C. To do what is needed to finish an activity.
D. To solve the problems successfully.
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相关试题
【单选题】
( ) 33. The Chinese Yellow Sea Wetlands are in the _______ of China．
A．south B．east C．west D．north
【单选题】
( ) 34. Usually the weather in the wetlands is _______．
A．hot B．pleasant C．cold D．dry
【单选题】
( ) 35. The World Wetlands Day is on _______．
A．February 2 B．June 25 C．April 22 D．March 22
【单选题】
( ) 36. We must protect wetlands because _______．
A．they are home for wildlife B．they can prevent flood
C．they can offer food to the animals and birds D．all of the above
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
【单选题】
1.—Hello! This is Henry Speaking．I’d like to speak to your father．
—Sorry, he has Shanghai．
A. been in B. been to C. come to D. gone to
【单选题】
2. — It’s difficult for the village children to cross the river for school．
— I think a bridge ______ over the river．
A. was built B. is being built C. has been built D. should be built
【单选题】
3. —Where would you like to go, Jinan or Qufu?
— ．I only want to go to Qingdao．
A. Each B. Either C. Neither D. All
【单选题】
4. — The documentary A Bite Of China II is quite popular around China recently. How do you like it? — ______.
A. I think so B. Pretty good C. It’s my pleasure D. All right
【单选题】
5. There are three English-books on the shelf, but ______ of them is mine.
A. both B. neither C.all D. none
【单选题】
6. When the parents arrived at the hall, the students _______ their projects.
A. have finish B. finished C. had finished D. are finishing
【单选题】
7. This week, the _______ seems to change every day: one day is hot; the next day is cold.
A. time B. weather C. season D. way
【单选题】
8. He never does his work _______ Mary.
A. as careful as B. so careful as C. carefully as D. as carefully as
【单选题】
9. — Can he jump high?
— Yes, he ______. He is a good high jumper.
A. must B. need C. can D. shall
【单选题】
10. The shop _____ at 8:00 a．m．and it ________ for ten hours every day．
A. is open; has opened B. is opened; opens
C. opens; is open D. opened; opens
【单选题】
11. —Excuse me, may I use your bicycle? ______ is broken.
—Certainly. But remember to return it before lunch.
A. Mine B. Me C. Myself D. I
【单选题】
12. —Simon, what do I need to take for the hiking?
—You’d better ________ more water than usual. It’s hot today.
A. to take B. taking C. take D. took
【单选题】
13. Helen ______ to a language school when she was seven.
A. sent B. is sent C. will send D. was sent
【单选题】
14. — Is this park you’ve visited recently?
— Yes, it's the most beautiful one I’ve ever visited before.
A. that B. the one C. which D. the one which
【单选题】
15. — It’s difficult for the village children to cross the river for school.
— I think a bridge ________ over the river.
A. should be built B. is being built C. has been built D. was built
【单选题】
16. — Could you tell me when Mr. Li ________ in Huaibei?
— Sure．．When he ________, I’ll call you．
A. arrives; will arrive B. will arrive; will arrive
C. arrives; arrives D. will arrive; arrives
【单选题】
) 17.There is ________ 800-metre-long road behind ________ hospital．
A. an; an B. an; the C. a; a D. a; the
【单选题】
18. — Did you see a girl in yellow pass by just now?
— No, sir. I ________ a magazine.
A. read B. am reading C. was reading D. would read
【单选题】
19.In fact, my parents are not only kind to me, but also strict ________ me.
A. at B. to C. for D. with
【单选题】
20. The boy_____ a yellow sweater can_____ himself now．
A. wearing; dress B. putting on; wear C. put on; dress D. dressing; wear
【单选题】
21. —Jack, I haven’t seen your brother for a long time．
— He ________Shanghai on business for two months．
A. went to B. has gone to C. has been in D. has been to
【单选题】
22. The meat with eggs tastes ______. Would you like some more?
A. nice B. well C. bad D. wonderfully
【单选题】
23. — Look! The man standing at the gate ______ be our headmaster．
— No, it _______ be him．He is holding a meeting in the office now．
A. must; can’t B. must; mustn’t C. can’t; can’t D. can’t; mustn’t
【单选题】
24. The Japanese government must do everything ________ polluted water from running into rivers, lakes, seas and oceans．
A. keep B. kept C. Keeping D. to keep
【单选题】
25. —Hi, Jack．Did you go to Jim’s birthday party?
—No, I felt so sad．I ．
A. didn’t invite B. am not invited C. wasn’t invited D. hadn’t invited
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A．He cares more about a flower and a sheep．
B．He meets many more strange adults on other planets．
C．He realizes his love for the rose and he goes back to his planet．
D．He discovers interesting things such as a snake, other roses and a fox．
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
A．the adult world B．the planet B -612
C．a rose and a fox D．the adventure of a young prince
【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
A．To tell the readers his life story．
B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
【单选题】
( )30 Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 31. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
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地层的埋藏深度越深，岩石的密度越大，孔隙度越小，上覆岩层压力越小。
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地层压力通常分为正常地层压力、抽汲压力和激动压力。
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起管柱时不及时向井内灌修井液或灌量不足、快速起管柱情况最为危险。
【单选题】
起管柱作业产生的抽汲压力，其结果是___。
A. 增大井底压力
B. 降低有效的井口压力
C. 增大有效的井口压力
D. 降低有效的井底压力
【单选题】
下管柱作业产生的激动压力，其结果是___。
A. 有利于促进油层的改造
B. 降低有效的井口压力
C. 增大有效井底压力
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泵压是向井内泵入井液时，克服井内循环系统中___以及井口回压或地层压力等所需要的压力。
A. 摩擦损失和油、套压力不平衡
B. 摩擦力和油、套压力平衡
C. 摩擦和油、套压力
D. 摩阻和油、套压力平衡
【单选题】
井内液体处于静止或停止循环状态时，井底压力等于___。
A. 1/2循环时的泵压
B. 井筒中液柱的静液压力
C. 1/2-1/3循环立压
D. 井筒中液柱的流动压力
【单选题】
下管柱时，井底压力等于___。
A. 静液压力＋激动压力－冲击产生的压力
B. 管柱下放时产生的激动压力＋1/2静液压力
C. 静液压力＋激动压力＋冲击产生的压力
D. 静液压力＋管柱下放时产生的激动压力
【单选题】
正常正循环时，井底压力等于___。
A. 井液压力＋环空流体的摩阻压力
B. 井液压力＋油管内流体的摩阻压力
C. 环空流体的摩阻压力
D. 油管内流体的摩阻压力
【单选题】
修井液中混油过量或混油不均匀，容易造成井内液柱压力___地层孔隙压力。
【单选题】
静止状态下，要监测井口液面，防止液柱高度下降___井底压力。
A. 减小
B. 增加
C. 不变
D. 大幅度减小
【单选题】
起管柱时，井底压力等于___。
A. 静液压力
B. 静液压力+环空压耗
C. 静液压力-抽汲压力
D. 静液压力+环空压耗+套压
【单选题】
溢流关井时，井底压力约等于___。
A. 静液压力
B. 环空静液压力+套压
C. 静液压力-抽汲压力
D. 静液压力+激动压力
【单选题】
地面回压（套压）必须___最大允许关井压力值。
A. 等于
B. 小于
C. 大于
D. 远远大于
【单选题】
发生溢流后需及时关井，形成足够的地面回压，使井底压力重新能够平衡___。
A. 地层漏失压力
B. 井底压力
C. 环空压耗
D. 地层压力
【单选题】
由于抽汲压力的影响会使井底压力降低，而降低上提管柱的速度等措施只能减小抽汲压力，但不能消除抽汲压力。因此，需要给修井液密度附加一个安全值来抵消抽汲压力等因素对井底压力的影响。附加方式主要有___。
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地层孔隙中的流体（石油、天然气、盐水或淡水）侵入井内，称之为___。
【单选题】
井下高压层的地层流体把井内某一薄弱层压破，流体由高压层大量流入被压破的地层的现象叫___。
A. 地上井喷
B. 地下井喷
C. 溢流
D. 井涌
【单选题】
关井是控制溢流的关键方法。溢流发生后，必须关闭防喷器，以___控制井口，阻止溢流进一步发展。
A. 最好的方法
B. 最好的封井器
C. 二次井控
D. 最快的速度
【单选题】
关井后，由于井筒处于密闭状态，如果修井液柱压力不能平衡地层压力，就将出现___。
A. 关井油压和关井套压
B. 关井油压
C. 关井套压
D. 井底压力
【单选题】
要维持一口井处于有控状态，就必须保证适当的___。
A. 井底压力
B. 地层压力
C. 破裂压力
D. 关井立压
【单选题】
某直井在5800m处发生溢流后关井，原钻井液密度1.2g/cm3，测得关井立压3MPa，关井套压5MPa，求平衡地层压力所需的最低静液压力___MPa。
A. 71.28
B. 71.2
C. 75.5
D. 76.5
【单选题】
如果井深6300m，钻杆内钻井液密度1.40g/cm3，关井立压4MPa，求平衡地层压力所需的最低钻井液密度___g/cm3。
A. 1.5
B. 1.47
C. 1.4
D. 1.3
【单选题】
某井修井液1.15g/cm3，油层中部垂直井深2061m，溢流初期关井油压1.96MPa，则该井地层压力是___MPa。
A. 23.19
B. 24.19
C. 25.19
D. 26.19
【单选题】
某井产层中部垂深2800m，修井液密度1.24g/cm3，下管柱时有1.76MPa的激动压力作用于井底，则井底压力当量密度是___g/cm3。
A. 1.3
B. 1.24
C. 1.18
D. 0.064
【单选题】
某井修井液密度为1.20g/cm3，如果井筒的液面下降了30m，则井底静液压力减少___MPa。
A. 0.3528
B. 0.3586
C. 0.3938
D. 0.3966
【单选题】
某井地层压力为21.86MPa，该地层中部垂直深度为2050m，则该地层压力梯度是___KPa/m。
A. 10.335
B. 10.499
C. 10.549
D. 10.663
【单选题】
上覆岩层压力的大小取决于地下岩石平均密度和___。
A. 岩石埋深
B. 井底压力
C. 修井液柱压力
D. 岩石孔隙内流体密度
【单选题】
井眼环形空间尺寸越小，井下工具___，抽汲压力越大。
A. 内径越小
B. 内径越大
C. 外径越小
D. 外径越大
【单选题】
预防溢流要求液柱压力___地层压力。
A. 远大于
B. 稍大于
C. 等于
D. 稍小于
