People can help solve the problem of pollution by______.
此题为细节题。见文章的最后一句：Pollution and waste combine…by cutting out unnecessary buying，excess consumption and careless disposal…。
1、Can you help clean the window?（）
Can you help clean the window?（）AI'd like thatBSure, go aheadCSorry, but I have to meet my uncleDIt's none of my busine
2、Can people smoke in the plane?
Can people smoke in the plane?AN0，they can’t．BYes，but only in some areas of the place．CYes，but only in the cabin．DIt is not mentioned in the announcement．
3、Can I help you with the baggage? （）
Can I help you with the baggage? （）ANo, no. I can help it myself.BThank you.CSorry, you can't.DNo, I don't need you.
4、Which of the following problems should
Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger?（）AReduce engine...
5、Nowadays people can travel around the
Nowadays people can travel around the world（）Aby raftBby cruise shipCby a shipDby aboat
6、The major cause of problems occurring
The major cause of problems occurring with fuel injection equipment is（）Aincorrect replacement of barrels and plungers of jerk pumpsBoverheating of the nozzle orificesCcracked pump housingsDdirt in the fuel