Unit 3 Safety 一、单选题（共10小题，每小题4分） 1.The two policemen are _____ a thief. A.running away B.running out C. running after D.running into 2.You can_____ home in two days. A. go return B.come back to C.return D. return to 3.—You look sad. What has happened —Everyone_____ us to win the match, but we lost. A.expects B. expected C.hopes D.hoped 4.—The big stone is_____ heavy_____ I can't carry it alone. —Don't worry. I will help you. A.such; that B. so; that C.too; to D. enough; to 5.The driver didn't stop his car _____，so it hit the tree. A. in time B. at times C. on time D. all the time 6.—I think Mr. Li is a_____ person. —Oh, no, he is a quite easy-going person. A.lucky B. single C.humorous D. serious 7.The fire safety practice_____ by the students' union every year. A. organize B. is organized C. are organized D. organized 8._____, who won the game last night —Oh, it's Danny. A.By the way B.On the way C.In this way D.In the way 9.With the development of 5G technology, our daily lives have become_____. A. more and more convenient B.the most convenient C.convenienter and convenienter D.convenient and more convenient 10.I _____ an invitation to the concert. I can’t wait to go. A. receive B. will receive C. was receiving D. have received 二、阅读理解（共5小题，每小题4分） Car accidents happen everywhere every day and are the main cause of injury in the United States. In order to control the increasing accidents, many states have passed tough laws. Also, car manufacturers(生产商) have been trying to make safer cars to save lives. However, as there are more and more cars and drivers on the road, these safety measures are not enough to stop the increasing car accidents. The National Highway Traffic Safety Administration(美国高速公路安全管理局) reports that a car accident happens every 10 seconds in the United States. Car accidents may be caused by different reasons. Some accidents are caused by the driver's tiredness or illness or drink-driving. Some may be caused by speeding or running a red light. When this happens, by the time the driver realizes what has happened, it is usually too late. As for ages, young drivers usually have shorter driving years and don't have enough experience while elderly drivers react slowly. Mechanical defects(机械缺陷) such as a broken brake(刹车) are another cause of car accidents. Poor road and weather conditions can also be causes. Talking about different causes of car accidents can help us know what precautions(预防措施) to take beforehand. We should tell our friends or family members not to drive in poor health or after drinking wine. We should tell young drivers to be careful with road and weather conditions and let elderly friends understand their driving limitation. Besides, we should have our cars checked regularly. The most important thing for us to remember, however, is that we should always follow the traffic rules. 11.What has the government done to try to control the increasing car accidents ... ...
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