2017版中石油职称英语新增20课(9)

C. Constantly不变地D. Consistently始终如一地

All of these alternatives【替换物】 are carbon-based fuels _____molecules【分子】 are smaller and simpler 7.

than those of gasoline【汽油】.

A. whichB. what C. thatD. whose

8.The hydrocarbons【碳氢化合物】 they do emit【放出】 are less likely to ______ozone【臭氧】.

A. general普遍的，一般的 B. generation 产生，一代

C. generate产生 D. generous慷慨的，大方的

9.The combustion【燃烧】 of larger molecules, ____have multiple【多重的】 carbon-carbon bonds involves

【包含】 a more complex【复杂的】 series of reactions.

A. whatB. whichC. thatD. who

10. Ethanol【乙醇】 is commonly【通常地】 used ___a gasoline supplement【补充】.

A. forB.toC.byD.as

11.( 27.) Hey and Tom __ to the parties at the Trade Union every Saturday.【2010年考题】

A. used to go

B. were used to go

C. are used to go

D. use to go

12.Vehicles _____ only the simplest of the engine【发动机】 improvements would still contribute【贡献出】 to an immediate【立即的】 lessening【减少】 of urban air pollution.

A. corporate法人的，社团的 B. cooperating(cooperate:合作)

C. operating（operate：操作，运转）

D. incorporating（incorporate:包含，合并）

Lesson7

1. The car will be guided by a differential【差别的】 GPS system that corrects errors【错误】 _____in global positioning satellite【卫星】 signals【信号】.

A. arising【出现】 B. rise上升

C. raise举起，养育D. arouse唤醒

2.Further, GM envisions【设想，想象】 a system _____the Mobility Internet.

A. callingB. callC. calls D. called

3.How much control【控制】 you want to turn over【移交】 to the car may ______your age and where you are

going.

A. depend on【取决于】 B. call on 号召，拜访

C. come on快点，前进 D. go on继续

4. On vacation with the family the driver may want to____ and talk to the kids.

A. turn up出现 B. turn to求助于

C. turn on 打开 D. turn around【转身】

5. Taking the fun out of the driving is not our main goal—we'd like to help people enjoy______. A. to driveB. driveC. drives D. driving

6.But they should make the _____if they want to drive or press the autopilot【自动驾驶仪】 button【按钮】. "

A. decision【决定】 B. decide

C. departure 离开D. depart

Lesson 8

1. They are the principles, many of them,____ I learned at my mother's knee.

A. which B. that C. whatD. how

2. They are the principles【原则，准则】 on which my wife and I have tried to _____our family.

A. bring down降价 B. bring about造成C. bring forth提出 D. bring up 教育

3. The question is not worth _____again and again.

A. discussB. discussing

C.to discuss D.to be discussed

4. Only then ___ how much damage had been caused.

A. she realized B. she had realized

C. had she realizedD. did she realize

5. Only in this way_____ English well.

A. can we learn B. we can learn

C. we learn canD. that we can learn

6. that right can and will triumph【战胜，击败】___might【权利】.

A. uponB. on C. overD. off

Lesson 9

1.______ he was late, he was not criticized【批评】 by the teacher．

A. Even though B. Even if

C. As if好像D.As though好像

2. The need for____ public speaking will almost certainly touch you sometime in your life.

A. efficient效率高的 B. efficiently

C. effectively D.effective有效的

3. You ____a big step toward overcoming【战胜】 stage fright if you ____positively.

A. take, thinkB. will take, will think

C. take, will think D. will take, think

4. The training is____ for every type of communication.

A.valueless没有价值的B. invaluable