and refreshing.Others enjoy their trips by fishing,skiing or white-water rafting.Americans aren't the only people in the world who like travelling around.People all over the world enjoyvisiting scenic spots in their own country and going abroad to travel.But in America,almost everybody is a touristsometime.28.This passage is mainly aboutA.American immigrants in historyB.some famous resorts in AmericaC.Americans'love for travellingD.some special people in America29.Which of the following is true according to the passage?A.Americans are content to stay at the place where they are living now.B.The American immigrants moved from the east to the western areas.C.Americans are used to changing living places,but they don't like travelling around.D.Most Americans prefer to go abroad to travel.30.Which of the following is NOT the reason why Americans prefer travelling in their own country?A.Travelling abroad is more expensive.B.People in America speak different languages.C.The traffic in America is very convenient.D.The vast American territory offers different kinds of tourist attractions.31.Which word can describe the author's attitude towards Travel of American Style?A.IndifferentB.DoubtfulC.ConcernedD.UncaringDThe next time San Francisco residents stop a taxi,they may step into a car with no one behind the wheel.Driverless taxis are now allowed to come on the city's streets.On June 2,2022,Cruise,a division of GeneralMotors(GM),was approved to charge for rides in its self-driving cars,becoming the first company allowed tooperate commercial driverless cars in a major US city.Though Cruise is regarding it as a big win,its self-driving cars aren't totally free to run on the streets of SanFrancisco as they please.Cruise vehicles will be limited to transporting passengers in less crowded areas of thecity between 10 p.m.and 6 a.m.The speed limit is 30 mph.They are also not allowed to operate in heavy rain orfog.The rules are meant to reduce any injuries or accidents.高三英语试卷第6页共12页