221.Professor Jordon is well known for his_____into the habits of the common housefly.
A.examination B.introduction
C.research D.expression
[答案]C.research
[注释]research into对...研究：1)(作动词用)He is researching into the reading problems of young school children.2)（作名词用）to carry out a research(=some research)into the causes of brain damage.(对大脑损伤原因进行研究)。
研究可译为make researches into,make a study of或直接用动词study vt或research into(a problem etc.).
222.The Prime Minister refused to comment on the rumor that he had planned to_____.
A.discharge B.dismiss C.resign D.resume
[答案]C.resign
[注释]resign(=give up a post)辞职：1)imagine he will resign.2)It was his duty to resign his position.
discharge sb.=dismiss sb.解雇某人：He was discharged(=dismissed)for being dishonest.
223.It was decided to_____the search when there was no hope of finding the missing girl alive.
A.call off B.take up C.keep off D.ring up
[答案]A.call off
[注释]call off(=cancel)取消。
224.He put in a special_____for an extra day's holiday so that he could attend his daughter's wedding.
A.request B.demand C.inquiry D.proposal
[答案]A.request
[注释]request请求，put in a request for(提出请求)。enquiry询问，demand需求，需要，proposal建议，均不和题意。
225.She_____the temptation to buy a coat she could not afford.
A.challenged B.obstructed C.contradicted D.resisted
[答案]D.resisted.[注释]resist此处意指（=keep oneself back from）“忍住...”，resist temptation(不受诱惑)。
本题译文：她不受诱惑，不去买她买不起的外衣。
