1. The atmosphere ________of certain gases mixed together in definite proportions.a. composesb. comprisesc. consistsd. constitutes2.While he was in the office he ________doing something to doing nothing.a. preferredb. likedc. favoredd. approved3.Metals_____ when cooled and expand when heated.a. decreaseb. reducec. condensed. contract4.Take your raincoat with you_________ it rains.a. by chanceb. in casec. at larged. on occasion5. He was afraid he would have to _________her invitation to the party.a. refuteb. refusec. rejectd. decline6.At the Committee last Saturday the following proposal was agreed ________ by those present.a. tob. withc. overd. at7.We went to see the exhibition ________ the storm.a. but forb. in spite ofc. for the sake ofd. instead of8.To my surprise, at yesterday's meeting he again brought ________ the plan that had been .disapproved a week before.a .aboutb out c. back d. up9.The doctor took X-rays to ________ the chance of broken bones.a. make sureb. rule outc. break downd. knock out10.He felt it rather difficult to take a stand _________ the opinion of the majority.a. forb. againstc. tod. by11.He has behaved in the most extraordinary way recently; I can't ______his behaving like that at all.a. look intob. break throughc. account ford. get over12.How did it come ________ that you made a lot of mistakes in your homework?a. aboutb. alongc. aroundd. by13.He could produce no evidence _____ his argument.a. in respect ofb. in view ofc. in support ofd. on account of14.The government should ________ with the irrational regulations restricting drinking hours.a. break awayb. come upc. get awayd. do away..15. I know him well enough to accept his explanation ____________.a. without questionb. by all meansc. at any costd. in any case16. It was a small country house, but it was large ______ urban standards.a. atb. forc. byd. from17. The travelers sought shelter __________the rain and happened to find a road-side inn.a. fromb. againstc. ford. with18.All our attempts to __________the child from drowning were in vain.a. regainb. recoverc. reserved. rescue19.This is the first draft of the book. Please feel perfectly free to __________ it.a. deal withb. comment onc. cope withd. dwell on20.I was always taught that it was _________ to interrupt .a. rudeb. coarse c .rough d. crude21.Except on official _____such as formal receptions, American society has a certain amountof informality.a. casesb. situationsc. eventsd. occasions22.The final document was, of course, supposed to mend the damage ________upon the worldby the war.a. imposedb. impressed c .compelled d. compressed23.While walking along the icy river banks, we could see cracks in the ice _____ in alldirections.,a. radiating b. dividing c. splitting d. tearing24.Tibet, the second largest province of China, is _________ in uranium (铀) and undergroundthermal power(地热).a. wealthyb. abundant c .adequate d. sufficient25.The young couple were quite excited by the _________of having their first child.a. perspectiveb. prospectc. future d foresight26.So many children have bought the balloons that the store is now out of __________.a. stuffb. materialc. stockd. staff27.She was always in perfect sympathy with me _________ my love of nature.a. with regard tob. in contrast toc. in case ofd. in the event of28.There are nations whose lack of contact with the outside world has _________ poverty.a. fallen intob. consisted in c .resulted in d. amounted to129.This is the ________ to an improvement of their living conditions.a. keyb. decisionc. essenced. alternative30.It was a bold idea to build a power station in the deep valley, but it ________ as well as we hadexpected.a. went offb. worked offc. broke offd. came off31.Christmas is a Christian holy day usually celebrated on December25th _________the birth ofJesus Christ.a. in favor ofb. in honor ofc. in terms ofd. in accordance with32. The _____action of the policeman saved the people in the house from being burnt.a. alertb. urgentc. promptd. punctual33. The pollution question as well as several other issues is going to be discussed when the Congress is in ________again next spring.a. assemblyb. conferencec. conventiond. session34.Your ________is the round of things that you usually do each day.a. practiceb. habitc. routined. custom35. I ________ with thanks the help of my colleagues in the preparation of this new column.a. expressb. acknowledgec. confirmd. verify36.David is the ________holder of the world 5000-meter race world record, but there is noguarantee that he will win in the Olympic Games.a. prevalentb. dominantc. currentd. prominent37.Your complaint is being _________ when we have anything to report we'1l write to you again.a. looked throughb. looked overc. looked afterd. looked into38.To our delight, she quickly _________ herself to the new situation-a. acquaintedb. exposedc. adaptedd. devoted39.The manager gave one of the salesgirls an accusing look for _________ her attitude towardcustomers.a. straightforwardb. partialc. favorabled. hostile40.With the joint effort of everyone, the plan is _____to succeed; I'm sure of that.a. obviousb. boundc. doubtlessd. necessarylions of tons of water are _______by a complex system of dykes.a. held upb. held onc. held outd. held back42.When traveling, you are advised to take traveler’s checks, which provide a secure_________ to carrying your money in cash.,a. substituteb. replacementc. preferenced. alternative43.Don't poke your nose into what doesn’t _________ you.a. connectb. relatec. concernd. interest44.The discussion was m prolonged and exhausting _______ that the speakers stopped for refreshments.a. at largeb. at intervalsc. at randomd. at length45.Dozens of scientific groups all over the world have been _________the goal of a practical andeconomic way to use sunlight to split water molecules.a. pursuingb. chasingc. attainingd. reaching46.He does not ________ as a teacher of English as his pronunciation is terrible.a. equalb. qualifyc. matchd. fit47.China started its nuclear power industry only in recent years and should ________ no time incatching up.a. delayb. lessenc. losed. slip48.I was speaking to Ann on the phone when suddenly we were _______.a. cut offb. cut downc. cut backd. cut out49. The State's Department of Commerce in the U.S. is _________to our Bureau of Economicdevelopment-a. likeb. equivalentc. samed. approximate50. It is usually the case that people seldom behave in a __________way when in a furious state.a. responsibleb. reliablec. rationald. conscious5151. Scientists are working hard to come up with a sure solution to the food _______ for mankind.a. declineb. rarity c scarcity d. shortage52. I left for the office earlier than usual this morning _______traffic jam.a. for the sake ofb. in case ofc. at the risk ofd. in spite of53. The manager didn't have time to go into his plan ________, but he gave us an idea about it.a. in turnb. in conclusionc. at firstd. at length54. Your improper words will give _________ to doubts concerning your true intentions.a. riseb. reasonc. suspiciond. ground55. The new washing machines are being ________ at the rate of 50 a day in this factory.a. turned offb. turned downc. turned outd. turned in56. John complained to the bookseller that there were some pages _____ in the dictionary.a. beingb. missingc. droppingd. falling57. On turning round the corner we saw the road ________ steeply.a. fallingb. decreasingc., descendingd. lowering58. The mother said she would ________her son washing the dishes if he could finish hisassignment before supper.a. let downb. let alonec. let offd. let out59. The managing director took the ________ for the accident, although it was not really his fault-a. guiltb. blamec. charged. accusation60. In spite of the wide range of reading material specially written or _______for language learning purposes, there is yet no comprehensive systematic program for the reading skills.a. adaptedb. acknowledgedc. assembledd. appointed61. People ________ that vertical flight transports would carry millions of passengers as do theairliners of today.a. convincedb. anticipatedc. resolvedd. assured62. The shop-assistant was straightforward with his customers. If an article was of _______quality he'd tell them so.a. miserableb. minorc. subordinated. inferior63. He failed to carry out some of the provisions of the contract, and now he has to________ theconsequences.a. answer forb. run intoc. submit tod. account for64. More poles are needed to _____ the weight of the tent.a. retainb. sustain c .maintain d. obtain65. Your advice would be __________ valuable to him, who is at present at his wit's end.a. exclusivelyb. extensivelyc. excessivelyd. exceedingly66.With all its advantages, the computer is by no means without its _________.a. boundariesb. restraintsc. confinementsd. limitations67.When the engine would not start, the mechanic inspected all the parts to find what was ________.a. in the wrongb. in troublec. at faultd. in difficulty68.He ________ so much work that he couldn't really do it efficiently.a. put onb. brought onc. took ond. carried on69.I felt _______ to death because I could make nothing of the chairman's speech.a. fatiguedb. tiredc. exhaustedd. bored70.Farmers are more anxious for rain than people in cities because they have more a t__________.a. dangerb. stakec. lossd. threat71.We _________ Edison's success to his intelligence and hard work.'a. describeb. subjectc. attributed. refer72.It is well known that retired workers in China are ________ free medical care.a. entitled tob. associated withc. involved ind. devoted to73.She once again went through her composition carefully to ______ a1l spelling mistakes from it.a. eliminateb. withdrawc. diminishd. delete74.The newly-built Science Building seems _________enough to last a hundred years.a. sophisticatedb. steadyc. robustd. substantial75.A man has to make _______ for his old age by putting aside enough money to live on wbenold.a. supplyb. assurancec. provisiond. storage76.The cells (电池)were designed to _________sunshine to electricity to run a motor.a. convertb. alter .c. modifyd. exchange77.A ________of the long report by the budget committee was submitted to the mayor forapproval.a. shorthandb. schemec. scheduled. sketch78.The bright flowers and warm winds _________that spring had come.a. threatenedb. announcedc. statedd. pronounced79.In that country, guests tend to feel they are not highly _______if the invitation to a dinerparty is extended only three or four days before the party date.a. admiredb. regardedc. expectedd. worshiped80.Few people realize how rich that area is. It is a land of treasure _______treasure.a. piled onb. derived fromc. turned overd. increased by81.The jeweler assured Mr. White that the stone was a (n) ________diamond and not animitation.a. gracefulb. genuinec. actuald. exact82.The remarkable _______ of life on the Galopagos Islands inspired Charles Darwin to establishhis theory of evolution.a. classificationb. diversionc. densityd. variety83. As the clouds drifted away an even higher peak became _______ to the climbers.a. obviousb. visiblec. presentd. apparent84. The news item about the fire is followed by a detailed report made ___________.a. on the spotb. on the sitec. on the locationd. on the ground85. The remarkable gains in the general health of the population in the world have been due inlarge measure _______ the efforts of some great doctors.a. forb. withc. byd. to86. He appeared in the court and supplied the facts ________ to the case.a. subjectb. attachedc. relevantd. corresponding87. In my opinion, you can widen the _______ of these improvements through your activeparticipation.a. dimensionb. volumec. magnituded. scope88. John did not have to write the composition if he didn't want to. It was _________.a. imperativeb. optionalc. criticald. unnecessary89. I support your decision, but I should also make it clear that I am not going to be _______to it.a. connectedb. fastenedc. boundd. related90. A _________ exercise such as running is helpful to our health.a. rigorousb. vigorousc. preciousd. continuous91. If any man here does not agree with me, he should _______ his own plan for improving theliving conditions of these people.a. put onb. put outc. put ind. put forward92. In sharp ________ to John, who is frank, Henry is too sophisticated.a. contrastb. conflictc. comparisond. contradiction93. On a small farm in a dry climate one should not grow crops that need ______space and a lotof water to ripen.a. considerableb. significantc. extensived. quantitative94.One reason for the successes of Asian immigrants in the U.S. is that they have taken great_________to educate their children.a. effortsb. painsc. attemptsd. endeavors95. She was pale with __________ after working for three shifts in succession.a. coldb. frightc. emotiond. fatigue96. What a _________ person says or does today agrees with what he said or did yesterday.a. harmoniousb. consistentc. constantd. sensible97. What sort of _________ can you get for the night in a city like this?a. commissionb. treatmentc. accommodationd. recommendation98. As a defense against air-pollution damage, many plants and animals ______ a substance toabsorb harmful chemicals-a. relieveb. releasec. dismissd. discard99.He __________his sorrow beneath a cheerful appearance.a. concealedb. retainedc. keptd. shielded100.As your instructor advised, you ought to spend your time on something _________researching into.a. worthwhileb. worthc. worthyd. Requesting答案:Key : 01.c 02.a 03.d 04.b 05.d 06.a 07.b 08.d 09.b 10.b 11.c 12.a 13.c 14.d 15.a 16.c 17.a 18.d 19.b 20.a 21.d 22.a 23.c 24.b 25.b 26.c 27.a 28.c 29.a 30.d 31.b 32.c 33.d 34.c 35.b 36.c 37.d 38.c 39.d 40.b 41.d 42.d 43.c 44.b 45.a 46.b 47.c 48.a 49.b 50.c 51.d 52.b 53.d 54.a 55.c 56.b 57.c 58.c 59.b 60.a 61.b 62.d 63.a 64.b 65.d 66.d 67.c 68.c 69.d 70.b 71.c 72.a 73.a 74.d 75.c 76.a 77.d 78.b 79.b 80.a 81.b 82.d 83.b 84.a 85.d 86.c 87.d 88.c 89.c 90.b 91.d 92.a 93.c 94.b 95.d 96.b 97.c 98.b 99.a 100.b。