Nowadays people can travel around the

1、Around the combustion chamber, all the

Around the combustion chamber, all the main components are to give low thermal strains and the smallest, circumferentially symmetric deformations for good sealing between piston rings and liner（）Adrill cooledBhole cooledCtube cooledDbore cooled

2、29． When people travel on business(出差)

29． When people travel on business(出差) ,they usually take _________ ．A a train or a planeB a boat or a trainCa car or a boat ．Da plane or a car

3、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．

4、People in the plane can__________

People in the plane can__________Ahave a good sleepBhave some small giftsCbuy some duty-free goodsDgo to the bar to have a drink

5、People can help solve the problem of p

People can help solve the problem of pollution by______.A urging their governments to control litter and wasteB cutting down the use of oil an...

6、Nowadays the Gaelic language,which is

Nowadays the Gaelic language,which is an ancient（）,is still heard inthe Highlands and the Western Isles.AScottish languageBEnglish languageCIrish languageDCeltic language