The Automobile In American lifeThe private automobile has long played an important role in the United States. In fact, it has become a necessary and important part of the American way of life. In 1971, eighty-three percent of American families ____1___at least one car, and twenty-eight percent had more than on. By giving workers rapid, convenient transportation, the automobile has _____2_____them from having to live near their place of work. This has fostered (促进) the _____3____ of the suburbs, but it has also led to traffic _____4____ in the city.Family life has been affected in ____5____ ways. The car helps to keep families together when it is used for picnics, outing, camping trips, and other shared experiences. However, when teenage children have the use of the car (or own one), they can ____6____ escape from family supervision. If they are immature, they sometimes become involved in situation, which lead to serious trouble. For some, young or old, having the use of an automobile leads to ____7______ traffic accidents, caused by carelessness or by deliberate（故意的）breaking of the driving laws. In 1971, over 5000 people were killed in auto accidents in the United States, and many more were _____8______.For many Americans the automobile is a necessity as well as a _____9____.but for some, it is also a mark of social status, an important middle-class symbol; and for young people, a ___10_____ of becoming an adult. Altogether, cars mean very much to Americans.A. freed B. easily C. killedD. convenience E. sign F. variousG. death H. problems I. ownedJ. growth K. injured L dangerous2、____.

The Automobile In American lifeThe private automobile has long played an important role in the United States. In fact, it has become a necessary and important part of the American way of life. In 1971, eighty-three percent of American families ____1___at least one car, and twenty-eight percent had more than on. By giving workers rapid, convenient transportation, the automobile has _____2_____them from having to live near their place of work. This has fostered (促进) the _____3____ of the suburbs, but it has also led to traffic _____4____ in the city.Family life has been affected in ____5____ ways. The car helps to keep families together when it is used for picnics, outing, camping trips, and other shared experiences. However, when teenage children have the use of the car (or own one), they can ____6____ escape from family supervision. If they are immature, they sometimes become involved in situation, which lead to serious trouble. For some, young or old, having the use of an automobile leads to ____7______ traffic accidents, caused by carelessness or by deliberate（故意的）breaking of the driving laws. In 1971, over 5000 people were killed in auto accidents in the United States, and many more were _____8______.For many Americans the automobile is a necessity as well as a _____9____.but for some, it is also a mark of social status, an important middle-class symbol; and for young people, a ___10_____ of becoming an adult. Altogether, cars mean very much to Americans.A. freed B. easily C. killedD. convenience E. sign F. variousG. death H. problems I. ownedJ. growth K. injured L dangerous3、____.

The Automobile In American lifeThe private automobile has long played an important role in the United States. In fact, it has become a necessary and important part of the American way of life. In 1971, eighty-three percent of American families ____1___at least one car, and twenty-eight percent had more than on. By giving workers rapid, convenient transportation, the automobile has _____2_____them from having to live near their place of work. This has fostered (促进) the _____3____ of the suburbs, but it has also led to traffic _____4____ in the city.Family life has been affected in ____5____ ways. The car helps to keep families together when it is used for picnics, outing, camping trips, and other shared experiences. However, when teenage children have the use of the car (or own one), they can ____6____ escape from family supervision. If they are immature, they sometimes become involved in situation, which lead to serious trouble. For some, young or old, having the use of an automobile leads to ____7______ traffic accidents, caused by carelessness or by deliberate（故意的）breaking of the driving laws. In 1971, over 5000 people were killed in auto accidents in the United States, and many more were _____8______.For many Americans the automobile is a necessity as well as a _____9____.but for some, it is also a mark of social status, an important middle-class symbol; and for young people, a ___10_____ of becoming an adult. Altogether, cars mean very much to Americans.A. freed B. easily C. killedD. convenience E. sign F. variousG. death H. problems I. ownedJ. growth K. injured L dangerous4、____.

The Automobile In American lifeThe private automobile has long played an important role in the United States. In fact, it has become a necessary and important part of the American way of life. In 1971, eighty-three percent of American families ____1___at least one car, and twenty-eight percent had more than on. By giving workers rapid, convenient transportation, the automobile has _____2_____them from having to live near their place of work. This has fostered (促进) the _____3____ of the suburbs, but it has also led to traffic _____4____ in the city.Family life has been affected in ____5____ ways. The car helps to keep families together when it is used for picnics, outing, camping trips, and other shared experiences. However, when teenage children have the use of the car (or own one), they can ____6____ escape from family supervision. If they are immature, they sometimes become involved in situation, which lead to serious trouble. For some, young or old, having the use of an automobile leads to ____7______ traffic accidents, caused by carelessness or by deliberate（故意的）breaking of the driving laws. In 1971, over 5000 people were killed in auto accidents in the United States, and many more were _____8______.For many Americans the automobile is a necessity as well as a _____9____.but for some, it is also a mark of social status, an important middle-class symbol; and for young people, a ___10_____ of becoming an adult. Altogether, cars mean very much to Americans.A. freed B. easily C. killedD. convenience E. sign F. variousG. death H. problems I. ownedJ. growth K. injured L dangerous5、____.

The Automobile In American lifeThe private automobile has long played an important role in the United States. In fact, it has become a necessary and important part of the American way of life. In 1971, eighty-three percent of American families ____1___at least one car, and twenty-eight percent had more than on. By giving workers rapid, convenient transportation, the automobile has _____2_____them from having to live near their place of work. This has fostered (促进) the _____3____ of the suburbs, but it has also led to traffic _____4____ in the city.Family life has been affected in ____5____ ways. The car helps to keep families together when it is used for picnics, outing, camping trips, and other shared experiences. However, when teenage children have the use of the car (or own one), they can ____6____ escape from family supervision. If they are immature, they sometimes become involved in situation, which lead to serious trouble. For some, young or old, having the use of an automobile leads to ____7______ traffic accidents, caused by carelessness or by deliberate（故意的）breaking of the driving laws. In 1971, over 5000 people were killed in auto accidents in the United States, and many more were _____8______.For many Americans the automobile is a necessity as well as a _____9____.but for some, it is also a mark of social status, an important middle-class symbol; and for young people, a ___10_____ of becoming an adult. Altogether, cars mean very much to Americans.A. freed B. easily C. killedD. convenience E. sign F. variousG. death H. problems I. ownedJ. growth K. injured L dangerous6、____.

The Automobile In American lifeThe private automobile has long played an important role in the United States. In fact, it has become a necessary and important part of the American way of life. In 1971, eighty-three percent of American families ____1___at least one car, and twenty-eight percent had more than on. By giving workers rapid, convenient transportation, the automobile has _____2_____them from having to live near their place of work. This has fostered (促进) the _____3____ of the suburbs, but it has also led to traffic _____4____ in the city.Family life has been affected in ____5____ ways. The car helps to keep families together when it is used for picnics, outing, camping trips, and other shared experiences. However, when teenage children have the use of the car (or own one), they can ____6____ escape from family supervision. If they are immature, they sometimes become involved in situation, which lead to serious trouble. For some, young or old, having the use of an automobile leads to ____7______ traffic accidents, caused by carelessness or by deliberate（故意的）breaking of the driving laws. In 1971, over 5000 people were killed in auto accidents in the United States, and many more were _____8______.For many Americans the automobile is a necessity as well as a _____9____.but for some, it is also a mark of social status, an important middle-class symbol; and for young people, a ___10_____ of becoming an adult. Altogether, cars mean very much to Americans.A. freed B. easily C. killed​D. convenience E. sign F. variousG. death H. problems I. ownedJ. growth K. injured L dangerous7、____.

The Automobile In American lifeThe private automobile has long played an important role in the United States. In fact, it has become a necessary and important part of the American way of life. In 1971, eighty-three percent of American families ____1___at least one car, and twenty-eight percent had more than on. By giving workers rapid, convenient transportation, the automobile has _____2_____them from having to live near their place of work. This has fostered (促进) the _____3____ of the suburbs, but it has also led to traffic _____4____ in the city.Family life has been affected in ____5____ ways. The car helps to keep families together when it is used for picnics, outing, camping trips, and other shared experiences. However, when teenage children have the use of the car (or own one), they can ____6____ escape from family supervision. If they are immature, they sometimes become involved in situation, which lead to serious trouble. For some, young or old, having the use of an automobile leads to ____7______ traffic accidents, caused by carelessness or by deliberate（故意的）breaking of the driving laws. In 1971, over 5000 people were killed in auto accidents in the United States, and many more were _____8______.For many Americans the automobile is a necessity as well as a _____9____.but for some, it is also a mark of social status, an important middle-class symbol; and for young people, a ___10_____ of becoming an adult. Altogether, cars mean very much to Americans.A. freed B. easily C. killedD. convenience E. sign F. variousG. death H. problems I. ownedJ. growth K. injured L dangerous8、____.

The Automobile In American lifeThe private automobile has long played an important role in the United States. In fact, it has become a necessary and important part of the American way of life. In 1971, eighty-three percent of American families ____1___at least one car, and twenty-eight percent had more than on. By giving workers rapid, convenient transportation, the automobile has _____2_____them from having to live near their place of work. This has fostered (促进) the _____3____ of the suburbs, but it has also led to traffic _____4____ in the city.Family life has been affected in ____5____ ways. The car helps to keep families together when it is used for picnics, outing, camping trips, and other shared experiences. However, when teenage children have the use of the car (or own one), they can ____6____ escape from family supervision. If they are immature, they sometimes become involved in situation, which lead to serious trouble. For some, young or old, having the use of an automobile leads to ____7______ traffic accidents, caused by carelessness or by deliberate（故意的）breaking of the driving laws. In 1971, over 5000 people were killed in auto accidents in the United States, and many more were _____8______.For many Americans the automobile is a necessity as well as a _____9____.but for some, it is also a mark of social status, an important middle-class symbol; and for young people, a ___10_____ of becoming an adult. Altogether, cars mean very much to Americans.A. freed B. easily C. killedD. convenience E. sign F. variousG. death H. problems I. ownedJ. growth K. injured L dangerous9、____.

The Automobile In American lifeThe private automobile has long played an important role in the United States. In fact, it has become a necessary and important part of the American way of life. In 1971, eighty-three percent of American families ____1___at least one car, and twenty-eight percent had more than on. By giving workers rapid, convenient transportation, the automobile has _____2_____them from having to live near their place of work. This has fostered (促进) the _____3____ of the suburbs, but it has also led to traffic _____4____ in the city.Family life has been affected in ____5____ ways. The car helps to keep families together when it is used for picnics, outing, camping trips, and other shared experiences. However, when teenage children have the use of the car (or own one), they can ____6____ escape from family supervision. If they are immature, they sometimes become involved in situation, which lead to serious trouble. For some, young or old, having the use of an automobile leads to ____7______ traffic accidents, caused by carelessness or by deliberate（故意的）breaking of the driving laws. In 1971, over 5000 people were killed in auto accidents in the United States, and many more were _____8______.For many Americans the automobile is a necessity as well as a _____9____.but for some, it is also a mark of social status, an important middle-class symbol; and for young people, a ___10_____ of becoming an adult. Altogether, cars mean very much to Americans.A. freed B. easily C. killed​D. convenience E. sign F. variousG. death H. problems I. ownedJ. growth K. injured L dangerous10、____.

Mental activities help save memoryDoing mental activities is helpful. Reading books and writing at any age may save memory, a new ____1__ finds.The study was conducted by some American neurologists(神经病学家)。It __2___294 people. They were given ___3___ on memory and thinking. They had the tests once a year for six years. They were also asked to talk about their mental activities during childhood, in their youth, during middle age and at their ___4___ age.Some of those people did mental activities both ___5___ and late in life. They had a slower ___6___ of decline in memory than the others. The others ___7___ did such activities. Their rate of decline in memory was 48%____8__.“Mental activities like reading and writing are great. They ___9___ bring benefits. We shouldn’t ___10____ their effects on our children, ourselves and our parents,” said Robert Wilson, lead author of the study.A.early E.faster I.involvedB.tests F.produce J.neglectC.seldom G.study K.rateD.taught H.current L.really 1. ________