东北农业大学-大学英语第三册网上作业题-答案东北农业大学网络教育学院大学英语第三册网上作业题一、单项选择题1. He is watching TV? He is _B_ to be cleaning his room.A) known B) supposed C) regarded D) considered2. The Smiths decided to _D_ a boy and a girl though they already had three children.A) adapt B) bring C) receive D) adopt3. The newspaper didnt mention the _A_ of the damage caused by the fire.A) range B) level C) extent D) quantity4. We can not trust him any more because he often _D_ his duty.A) owes B) spoils C) deserts D) neglects5. In order to increase our output, we need to import more production _A_.A) facilities B) hens C) votes D) artists6. Free medical service is _B_ to nearly all the college students in China.A) favorite B) available C) convenient D) average7. Iron supplements may produce a feeling of wanting to _B_ , and may be poisonous in some cases.A) throw away B) throw up C) throw in D) throw out8. Grant Wood instantly _C_ to fame in 1930 with his painting American Gothic, an often-copied interpretation of the solemn pride of American farmers.A) arise B) rise C) rose D) raised9. James Montgomery is famous for his army _B_ posters of World Wars I and II.A) recruited B) recruiting C) recruit D) recrutation10. If you had been _B_ in your study, you would have passed the examination without any difficulty.A) big-minded B) single-minded C) broad-minded D)narrow-minded11. My English professor told me to_D_ my vocabulary, to _ my sentence length and to _ my tone.A) amplify; justify; enlarge B)enlarge; justify; diversifyC) diversify; enlarge; amplify D) enlarge; amplify; diversify12. The Buffalo nickel was _B_ in memory of the destruction of the buffalo herds and the American Indians.A) descended B) designed C) deprived D) detailed13. The point in _C_ by correspondence is not whether we should do it but whether we can do it.A) argument B) debate C) dispute D) controversy14. _B_ their difference, the couple were developing an obvious and genuine affection foreach other.A) But for B) For all C) Above all D) Except for15. The early pioneers had to _B_ many hardships to settle on the new land.A) go into B) go through C) go back on D) go about16. We should keep a _A_ eye on the prisoners every moment.A) jealous B) envious C) jealousy D) envy17. I would appreciate _A_ it a secret.A) your keeping B) you to keepC) that you keep D) that you will keep18. Over the last fifteen years, running has become a popular _B_ for 30 million participants of the ages.A) fantasy B) pastime C) symposium D) penalty19. Now the cheers and applause _A_ in a single sustained roar.A) mingled B) concentrated C) assembled D) permeated20. I couldnt find _A_ , and so I took this one.A) a large enough coat B) an enough large coatC) a large coat enough D) a coat enough large21. _B_ quite recently, most mothers in Britain did not take paid work outside the home.A) Before B) Until C) From D) Since22. Tryon was extremely angry, but cool-headed enough to _D_ storming into the bosssoffice.A) prevent B) prohibit C) turn D) avoid23. They are sure they have all the facts they need to _C_ the existence of a black hole.A) obtain B) maintain C) verify D) display24. The town planning commission said that their financial outlook for the next year wasoptimistic. They expect increased tax _D_.A) efficiency B) revenues C) privileges D) validity25. It is not -_C_ for me to return all the books to the library now because I still need some of them for my research.A) continuous B) difficult C) convenient D) sufficient26. He is the only person who can _A_ in this case, because the other witnesses werekilled mysteriously.A) testify B) charge C) accuse D) rectify27. This boy was _A_ for what he had done in the class.A) scolded B) overcome C) inclined D) displayed28. On weekend my grandpa usually _A_ a glass of wine.A) subscribes B) engages in C) hangs on D) indulges in29. The leader of the expedition _D_ everyone to follow his example.A) promoted B) reinforced C)sparked D) inspired30. We must look beyond _B_ and assumptions and try to discover what is missing.A) justifications B) illusions C) manifestations D) specifications31. The government is trying to do something to _B_ better understanding between the two nations .A) raise B) promote C) heighten D) increase32. The soldier was _C_ of running away when the enemy attacked.A) scolded B) charged C) accused D) punished33. People appreciate _C_ with him because he has a good sense of humor.A) to work B) to have worked C) working D) having worked34. When a spacecraft travels, one of the major problems is reentry into the Earths_B_.A) surface B) atmosphere C) attitude D) bent35. We are _C_ at the rapid progress Mark has made in this semester.A) distinguished B) annoyed C) astonished D) scored