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

[注釋]research into對...研究：1)(作動詞用)He is researching into the reading problems of young school children.2)（作名詞用）to carry out a research(=some research)into the causes of brain damage.(對大腦損傷原因進(jìn)行研究)。
研究可譯為make researches into, make a study of 或直接用動詞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

[注釋]resign(=give up a post)辭職：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

[注釋]call?off(=cancel)取消。詳見Ⅲ。25注釋。

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

[注釋]request請求，put?in?a?request?for?(提出請求)。enquiry詢問，demand?需求，需要，proposal建議，均不和題意。

225.?She?_____?the?temptation?to?buy?a?coat?she?could?not?afford.
nged??cted?ed

[答案]D.?resisted.???

[注釋]resist?此處意指（=keep?oneself?back?from）“忍住...”，resist?temptation(不受誘惑)。

本題譯文：她不受誘惑，不去買她買不起的外衣。

226.?Scientists?have?to?work?hard?to?keep?_____?with?modern?discoveries?and?? developments.
A.?company????B.?track????C.?touch????D.?pace

[答案]D.?pace.

[注釋]keep pace with跟上：1)This horse is too weak to keep pace with the others. 2)I can't help pace with your plan.
Keep in touch with與......保持聯(lián)系；了解（情況）；1)People can keep in touch with each other even when they do leave. 2)I find it very difficult to keep in touch with all the recent developments in my subject.(我覺得很難了解我的科目當(dāng)前的一切新發(fā)展。)
Keep company(with)與......相好：Never keep company with dishonest persons.(千萬不要和不誠實的人來往。)
Keep track of通曉事態(tài)，了解動向：I find it difficult to keep track of my old friends.(我很難了解我的老朋友的情況。)keep track of的反義結(jié)構(gòu)是lose track of（失去聯(lián)系）。
以上成語均為考試大綱規(guī)定的內(nèi)容，考生務(wù)必熟記。

227.?He?didn't?_____?what?I?read?because?his?mind?was?on?something?else.
A.?hold?on????B.?catch?on????C.?take?in????D.?get?over

[答案]C.?take?in

[注釋]take?in(=understand)理解。參閱Ⅲ。173注釋。hold?on(打電話時)不要掛斷；catch?on明白（作不及物動詞用），catch?on?to懂得，明白（作及物動詞用）；get?over克服。

228.?We?made?plans?for?a?visit?but?_____?difficulties?with?the?car?prevented?it.
A.?consequent?????B.?subordinate
C.?substantial????D.?subsequent

[答案]D.?subsequent.

[注釋]subsequent(=later, following)隨后得，接著發(fā)生的：subsequent events（隨后發(fā)生的事件）。consequent(作為結(jié)果)而隨之發(fā)生的：His long illness and consequent absence put him behind in his work.根據(jù)題意，本題用subsequent更妥。

229.?Arrogance?and?pride?are?similar?in?meaning,?but?there?is?_____?difference?? between?them.
A.?a?submerged??????B.?an?indecisive
C.?an?indistinct????D.?a?subtle

[答案]D.?a?subtle.

[注釋]subtle微妙的，微細(xì)的，難以捉摸的。a subtle difference.（微細(xì)的差別）。Submerged浸沒的；indecisive非決定性的，非結(jié)論性的，未清楚標(biāo)明的；indistinct不清楚的，模糊的；subconscious下意識的。

230.?This?watch?is?_____?to?all?the?other?watches?on?the?market.
A.?superior??B.?advantageous??C.?super?D.?beneficial

[答案]A.?superior.

[注釋]superior。參看Ⅱ，669注釋。