课时训练 (八)Units 78(八上) (限时:30 分钟) .单项填空 1. 2019 包头He rides a bike to work every day in order to keep in . A. support B. service C. surface D. shape 2.Dont forget tothe lights when you leave the classroom. A.turn on B.turn off C.turn up D.turn down 3.Many tourists prefer five-star hotels because they think expensive hotels always guests with better service. A.prevent B.protect C.present D.provide 4. 2019 合肥模拟 I cant find my glasses. Where are they? Dont worry. Im sure they will sooner or later. A. turn up B. put up C. give up D. set up 5.Its for Tony to finish the work in such a short time. Thats right. Its so short. A.possible B.polite C.impolite D.impossible 6.He was adviced to eat fewer hamburgers and drink cola to keep fit. A.much B.more C.fewer D.less 7. 2019 淮南模拟 I went from a school desk to a ship in my teens. days would you be at sea? Homesick? A. How long B. How many C. How much D. How soon 8.Put the ingredients in the bowl and , please. A.mix them up B.mix it up C.mix up them D.mix up it 9. 2019 江西Ive never seen Mr. Taylor before. Dont worry. I him to you before the meeting. A. will introduce B. introduced C. have introduced D. had introduced 10.We should try our best to protect our environment. . If we dont do so, well have no place to live in. A.I agree with you B.Thats all right C.Dont worry D.It doesnt matter .2019 芜湖一模 完形填空 Raise your arm. Keep it in that position( 位置) 11as long as you can. What will happen? After some time, your 12begins to hurt. Something seems to be pulling it down. Soon enough, you have to lower your arm. Its the “gravity(重力 )” that 13you to lower your arm. We cant see gravity or touch it. We can only 14it. The earth has gravity that pulls down everything on or near it. It is the force that keeps us all on the 15and make things fall. The moon and the sun also have gravity. 16, all things in the world have gravity. It helps hold all of them together. Gravity works in a two-way system. This 17that all things have a pull on each other. For example, the earths gravity forces the moon to travel around it. In turn, the moons gravity pulls on the earths 18. And we all know that its the 19cause of tides( 潮汐). The force of gravity becomes 20as we move away from its source(源头). That is partly why astronauts can float( 漂浮 ) around in outer space. They are too far away for the earth to have much pull on them. What do you think would happen if there were no gravity on the earth? ()11. A. in B. at C. to D. for ()12. A. leg B. arm C. head D. foot ()13. A. causes B. chooses C. expects D. orders ()14. A. hear B. smell C. feel D. taste ()15. A. sea B. surface C. ground D. center ()16. A. In person B. In a word C. In total D. In fact ()17. A. realizes B. hopes C. shares D. means ()18. A. oceans B. stones C. mountains D. trees ()19. A. light B. main C. ancient D. serious ()20. A. safer B. better C. weaker D. slower .2019 武汉改编 阅读理解 You dont have to be a scientist to solve big environmental problems. One Dutch designer is finding creative ways to make a change and hes inviting bikers to join him. Daan Roosgaarde, 38, is a designer from Holland. He uses creative ideas to improve city life. For his Smog (雾霾) Free Project, he designed a special tower that cleans air in Chinese parks. In Holland, he designed a shining bicycle path. Now Daan and his team are working with engineers at Chinese bike-sharing company ofo to create a new product for public use. Its an air-cleaning machine connected to a bicycle and is part of the Smog Free Project. In smoggy weather, the machine would breathe in the air in front of the bike and blow out a stream of clean air toward the bikers face. Its no secret that air pollution is a big problem for China. In winter, its common for thick clouds of haze (霾), caused largely by factory production, burning of coal and car emissions(排放物 ), to cover areas of China. In 2016, only one-fourth of Chinese cities met the countrys air quality standards, according to a survey of 338 cities nationwide from the Ministry of Environmental Protection. “Of course one tower and a few bikes wont solve Chinas air pollution problem,” Daansaid. “But smog-free bikes are an exciting idea that will hopefully inspire communities to create greener cities.” 21. Where does Daan come from? () A. China. B. Holland. C. Japan. D. America. 22. Daan is inviting bikers to join him in order to . () A. raise money for the tower B. test his new machine C. help solve the air pollution problem D. make more Chinese friends 23. The air-cleaning machine offers clean air to the biker by . () A. blowing out dirty air B. running fast with the bike C. cleaning the air around the biker D. breathing in dirty air and cleaning it 24. What is the best title for the passage? () A. Breathing In and Out B. Biking for Fresh Air C. Survey from the Government D. Chinas Air Pollution Problem .回答问题 There was once a King and he wanted to find