国开形成性考核《综合英语3》单元测试7试题及答案.docx

1、国开形成性考核综合英语3单元测试7试题及答案国开形成性考核综合英语(3)单元测试(7)试题及答案（课程ID：01876，整套相同，如遇顺序不同，Ctrl+F查找，祝同学们取得优异成绩！）一、词汇（Vocabulary）为下列各项选择最佳答案。Choose the best answer for each of the following items.题目1、More recently, lasers have been used to （） skin discolorations.【A】：take【B】：remove【C】：recover【D】：move答案：B题目2、A laser beam

2、 can completely destroy a cancerous growth without （） any dangerous cells.【A】：leaving alone【B】：leaving behind【C】：leaving off【D】：leaving out答案：B题目3、The light from the sun moves away from its source in all directions, so its strength is very （）.【A】：broken out【B】：spread out【C】：looked out【D】：figured out

3、答案：B题目4、The atoms of a certain substance are （）in such a way that they produce coherent light.【A】：excited【B】：produced【C】：created【D】：chosen答案：A题目5、A laser beam can be made narrow enough to （） a single cell.【A】：focus on【B】：pay attention to【C】：concentrate on【D】：lay stress on答案：A二、语法（Grammar）为下列各项选择最佳答案

4、。Choose the best answer for each of the following items.题目6、A person （） with a laser can aim this coherent light, （） a laser beam, in any direction.【A】：work; call【B】：working; called【C】：working; call【D】：worked; calling答案：B题目7、I was driving to work yesterday, and it （） as if smoke （） out of the exhaus

5、t pipe.【A】：looks came【B】：looked was coming【C】：is looking came【D】：looks is looking答案：B题目8、The TV set hasnt been repaired yet. It looks （） it will be another week.【A】：as if【B】：although【C】：like【D】：if答案：A题目9、The atoms of certain substance are excited in such a way （） they produce coherent light.【A】：whic

6、h【B】：who【C】：that【D】：what答案：C题目10、Incoherent light, like the light from the sun or the light bulb, （） from its source in all directions.【A】：move away【B】：moving away【C】：moves away【D】：moved away答案：C题目1、One of the earliest uses was to make （） measurements of distance and speed.【A】：precise【B】：definite【C】

7、：absolute【D】：exact答案：A题目2、A scientific discovery is often made long before someone is able to put it to （）.【A】：usage【B】：using【C】：use【D】：used答案：C题目3、Scientists study how the plants （） sunlight into energy.【A】：change【B】：convert【C】：shift【D】：transform答案：B题目4、Over the past twenty years, personal computer

8、s have brought （） changes to the home and workplace.【A】：gigantic【B】：curious【C】：terrible【D】：tremendous答案：D题目5、As time passed, many more （） for the laser were developed.【A】：applications【B】：applicants【C】：applies【D】：applying答案：A二、语法（Grammar）为下列各项选择最佳答案。Choose the best answer for each of the following it

9、ems.题目6、My roof leaks when it rains and it hasnt been repaired. When I got home yesterday, the water （） into my living room.【A】：poured【B】：was pouring【C】：was poured【D】：pouring答案：B题目7、Laser light is created by a process （） stimulated emission.【A】：called【B】：calling【C】：is calling【D】：is called答案：A题目8、It

10、（） to have been ready last week. But you havent done it.【A】：supposes【B】：is supposed【C】：was supposed【D】：supposed答案：C题目9、A laser beam （） on a single cell, on part of a cell, or even individual atoms and molecules.【A】：makes enough narrow focus【B】：is made enough narrow to focus【C】：can be made narrow eno

11、ugh to focus【D】：may be made enough narrow to focus答案：C题目10、The light from a laser, （） in only one direction and （） in a narrow beam, is much stronger.【A】：moves; concentrates【B】：moving; concentrating【C】：moving; concentrated【D】：moved; concentrates答案：C题目1、Scientist discovered how to （） atoms decades be

12、fore the invention of atomic bomb.【A】：split【B】： break 【C】：destroy D. tear答案：A题目2、To many people, lasers are very （）, but a laser is simply a device that produce a very strong light.【A】：mysterious【B】：fantastic【C】：terrific【D】：amazing答案：A题目3、The light from a laser （） in a narrow beam.【A】：connects【B】：co

13、ntacts【C】：concentrates【D】：confines答案：C题目4、A person working with a laser can （） this coherent light in any direction.【A】：purpose【B】：goal【C】：aim【D】：target答案：C题目5、Now it is clear that laser light has （） applications.【A】：dangerous【B】：coherent【C】：mysterious【D】：numerous答案：D题目1、Laser is （） by a process cal

14、led stimulated emission.【A】：produced【B】：created【C】：born【D】：chosen答案：B题目2、Lasers are also important in the （） of cancer.【A】：heal【B】：recover【C】：treat【D】：treatment答案：D题目3、The word laser （） “light amplification by stimulated emission of radiation”.【A】：stand by【B】：stands for【C】：stand in【D】：stand out答案：B题

15、目4、 As the laser was developed, scientists began thinking of （）applications for it.【A】：particular【B】：special【C】：practical【D】：especial答案：C题目5、It sounds （） the problem is in the engine.【A】：like【B】：as though【C】：although【D】：if答案：B三、对话（Dialogue）为下列各项选择最佳答案。Choose the best answer for each of the following items.题目11、 Repair department. May I help you? （）.【A】：Yes. Id like to know if my CD player ha