2.What do the automatic fire alarm systems include?

　A.Pipes and smoke detectors.

　B.Smoke detectors and sprinklers.

　C.Fire alarm pull stations and pipes.

　D.Sprinklers and fire alarm pull stations.

3.In a fire drill, the students should　　　.

　A.rush quickly to a lift

　B.gather at the nearest exit

　C.shut the door and leave at once

　D.wait for instructions in the hall

4.What do we know about the use of fire extinguishers?

　A.Using them wrongly results in punishment.

　B.Irresponsible use of them can damage them.

　C.Improper use of them can destroy the apartment.

　D.Using them without a trainer present is forbidden.

5.To ensure the safe operation of the smoke detector, one should　　　.

　A.contact the hall staff regularly

　B.cover the things that burn easily

　C.start the smoke detector in a fire

　D.make certain the red light is working

答案

1.C　2.B　3.C　4.A　5.D　

　　As cultural symbols go, the American car is quite young. The Model T Ford was built at the Piquette Plant in Michigan a century ago, with the first rolling off the assembly line(装配线) on September 27,1908. Only eleven cars were produced the next month. But eventually Henry Ford would build fifteen million of them.

Modern America was born on the road, behind a wheel. The car shaped some of the most lasting aspects of American culture:the roadside diner, the billboard, the motel, even the hamburger. For most of the last century, the car represented what it