中国石油大学(华东)2012《科技英语》第四阶段在线作业(自测)试卷.doc

2012科技英语第四阶段在线作业(自测)试卷1第1题 单选题 When Bob and his friends came, we_our supper then.A、hadB、were havingC、haveD、are having标准答案：B您的答案：B题目分数：5此题得分：5.0批注：2第2题 单选题How many more decades will have to pass scientists succeed in providing a cure for cancer？A、whenB、beforeC、sinceD、until标准答案：B您的答案：B题目分数：5此题得分：5.0批注：3第3题 单选题 He_the maths examination if he had worked hard enough, but he didnt.A、would passB、had passedC、would have passedD、passed标准答案：C您的答案：C题目分数：5此题得分：5.0批注：4第4题 单选题 They are trying to _ the waste discharged by the factory for profit.A、expose B、exhaustC、exhibit D、exploit标准答案：D您的答案：D题目分数：5此题得分：5.0批注：5第5题 单选题 The methods used to achieve these aims will be described later, and _ can be seen broadly as a focusing on to a target.A、up to now B、so farC、as yetD、for the present标准答案：D您的答案：D题目分数：5此题得分：5.0批注：6第6题 单选题 There are two rooms in the house, _serves as a kitchen.A、the smaller of whichB、the smaller of thatC、the smallest of whichD、the smallest of that标准答案：A您的答案：A题目分数：5此题得分：5.0批注：7第7题 单选题 If it_tomorrow, we will stay indoors to have our training class.A、rainsB、rainedC、will rainD、is raining标准答案：A您的答案：A题目分数：5此题得分：5.0批注：8第8题 单选题 It was in 2005 _we began to introduce this new technique into our company.A、whichB、thenC、whenD、that标准答案：D您的答案：D题目分数：5此题得分：5.0批注：9第9题 单选题 Thank heavens! You have come back home. You should be thankful that you have escaped with only _ injuries.A、minor B、majorC、significantD、abundant标准答案：A您的答案：A题目分数：5此题得分：5.0批注：10第10题 单选题 We must put the _ side of the policy into consideration to avoid possible mistakes.A、converse B、 reverseC、reserveD、revise标准答案：B您的答案：B题目分数：5此题得分：5.0批注：11第11题 单选题 By the time he arrives in Beijing, we _ here for two days.A、will stayB、have been staying C、will have stayed D、have stayed标准答案：C您的答案：C题目分数：5此题得分：5.0批注：12第12题 单选题 For the time being, Philips could not say when such a product as this might be _ available, however.A、verticallyB、commercially C、horizontallyD、rapidly标准答案：B您的答案：B题目分数：5此题得分：5.0批注：13第13题 单选题 A marine shale, once believed to be a black mud rich in organic compounds, is a common source rock to _ oil.A、block B、discoverC、originateD、prevent 标准答案：C您的答案：C题目分数：5此题得分：5.0批注：14第14题 单选题 Please bear in mind that correct conduction of precautions can reduce or _ waterside corrosion to the minimum. A、export B、diminishC、embrace D、entrap标准答案：B您的答案：B题目分数：5此题得分：5.0批注：15第15题 单选题 _ is she in London than she rings up her old friend Mary.A、 ScarcelyB、Rarely C、No sooner D、Hardly标准答案：C您的答案：C题目分数：5此题得分：5.0批注：16第16题 单选题 You must speak slowly, so that you can make yourself _.A、understood B、understand C、understanding D、to understand标准答案：A您的答案：A题目分数：5此题得分：5.0批注：17第17题 单选题 Every country tries to maintain a(n) _ balance of trade, which assures it of the means to buy necessary imports.A、 organic B、 favoriteC、compoundD、favorable标准答案：D您的答案：D题目分数：5此题得分：5.0批注：18第18题 单选题I know Jonathan quite well and never doubt he can do a good job of it.A、while B、thatC、whenD、what标准答案：B您的答案：B题目分数：5此题得分：5.0批注：19第19题 单选题 He left orders that nothing _ until the police arrived.A、was touched B、had been touchedC、should be touched D、was to be touched标准答案：C您的答案：C题目分数：5此题得分：5.0批注：20第20题 单选题 It is the business of the petroleum indust