题目

如图所示，拖拉机耕地时的速度往往很慢，这是为了  （ ） A.保证挖土质量          B.获得较大的挖掘动力    C.可以节约燃料          D.保证挖掘工安全 答案：B缺词填空 根据短文内容及首字母提示，补全单词，使短文完整、通顺。People of different ages like going on a trip d 1. the holiday.Children usually like t 2. to some fun places, like the theme park. Many of them like experiencing the exciting r 3. on the roller coaster. It moves at high s 4. and children usually scream through the ride.Young people like going to the sea or mountains. They are interested in taking part in some dangerous activities, s 5. as diving, sailing and rock climbing. They often choose some local restaurants and enjoy d 6. food there. Young people don’t mind spending money on the trip. So they usually go on a trip by p 7. . When their plane arrives at the airport, some of their friends in the city may be waiting for them there.Old people are usually interested in history. So they usually go to cities with a long history for a trip. Beijing, Xi’an and Luoyang are all good choices for them. They often take some p 8. during the trip. At the e 9. of the trip, they can learn more about the city and make some new friends as well.People like having a trip because they can have a good time. Long after the trip is over, they still m 10. the beautiful views and nice people during the trip.