【文章內(nèi)容簡(jiǎn)介】
re preparing;are preparingB.a(chǎn)re preparing for;are preparingC.a(chǎn)re preparing;are preparing forD.a(chǎn)re preparing for;are preparing for10.—Do you enjoy your present job?— just do it for a living.A.Of course B.Not reallyC.Not likely D.Not a littleⅤ.任務(wù)型閱讀Each year there is an increasing number of cars as millions of new cars are produced in will not live without cars!However,some have realized the serious problem of air pollution caused by is necessary to find ways to solve the problem of air pollution.One way to clean the air is to build a new kind of clean ’s what several of the large car factories are trying to to build a clean car is easier said than in this field has been slow.Another way is to take the place of the car engine by something are now working on makers believe that it will take years to develop a practical model that can please man.To prevent the world being polluted by cars,Americans have to make some changes in the way of their have to cut down the number of their cars and are encouraged to travel and go to work by this change does not close down—many workers may find themselves without jobs if a car factory closes the problem of their pollution will bee less important than that of unemployment.Americans may live a happy but sad life for a long time because of the car problem. and Pollution in AmericaProblemMethodsConclusionAir Building something else new to take the place of the car .Progress in this field is7.________.Americans may live a but sad life.It takes years to develop a