2022公共英語(yǔ)二級(jí)考試快速突破訓(xùn)練題

本文格式為Word版，下載可任意編輯——2022公共英語(yǔ)二級(jí)考試快速突破訓(xùn)練題Neverregretadayinyourlife.Gooddaysgiveyouhappinessandbaddaysgiveyouexperience.以下是我為大家探尋整理的2022公共英語(yǔ)二級(jí)考試快速突破訓(xùn)練題，夢(mèng)想能給大家?guī)?lái)扶助!更多精彩內(nèi)容請(qǐng)實(shí)時(shí)關(guān)注我們我!

閱讀以下短文,回復(fù)題目.

Thousandsofyearsagomanusedhandyrocksforhissurgicaloperations.Laterheusedsharpbonesorhorns,metalknivesandmorerecently,rubberandplastic.Inthe1960sanewtoolwasdeveloped,onewhichwas,firstofall,tobeofgreatpracticalusetothearmedforcesandindus-try,butwhichwasalsotorevolutionizetheartandscienceofsurgery.

Thetoolisthelaseranditisbeingusedbymoreandmoresurgeonsallovertheworld.Asweallknow,lightishot,andanysourceoflightwillgivewarmth.Butlightisusuallyspreadoutoverawidearea.Thelightinalaserbeam,however,isconcentrated.Thismeansthatalightwithnomorepowerthanthatproducedbyanordinaryelectriclightbulbbecomesintenselystrongasitisconcentratedtoapinpoint-sizedbeam.

Experimentswiththesepinpointbeamsshowedresearchersthatdifferentenergysourcespro-ducebeamsthathaveaparticulareffectoncertainlivingcells.Itisnowpossibleforeyesurgeonstooperateonthebackofhumaneyewithoutharmingthefrontoftheeye,simplybypassingalaserbeamrightthroughtheeye-ball.Operationswhichonceleftpatientsexhaustedandinneedoflongperiodofrecoverytimenowleavethemfeelingrelaxedandcomfortable.

Therapiddevelopmentoflasertechniquesinthepasttenyearshasmadeitclearthatthefutureislikelytobeveryexciting.Perhapssomecancerswillbetreatedwithlaserinawaythatmakessurgerynotonlysaferbutalsomoreeffective.

1.Whichofthefollowingwouldbeappropriatetodescribetheinstrumentsofsurgicalopera-tionsupuntil1960s?

A.Traditional.

B.Complicated.

C.Remarkable.

D.Revolutionary.

參考答案：A

參考解析：

答案及解析

A事實(shí)細(xì)節(jié)題。題干的意思是“以下哪個(gè)單詞能夠切當(dāng)描述20世紀(jì)60年頭以前的手術(shù)工具?”A選項(xiàng)的意為“傳統(tǒng)的”;B選項(xiàng)意為“繁雜的”;C選項(xiàng)意為“非凡的”;D選項(xiàng)意為“革命的”。原文第一段提到幾千年前人們用石頭、牛角等做手術(shù)，由此可以推斷出選項(xiàng)A是正確的。

2.Whatdowefindafterthedevelopmentofthelaserinthe1960s?

A.Industrialrevolutionbroughtsurgerychangedgreatly.

B.Medicalhelpbecameavailableforindustrialworkers.

C.Thestudyofartwentthroughacompleterevolution.

D.Humanbeing'smethodsinsurgerychangedgreatly.

參考答案：D

參考解析：D事實(shí)細(xì)節(jié)題。題干的意思是“20世紀(jì)60年頭激光取得進(jìn)展后我們可以察覺(jué)什么?”根據(jù)原文第一段結(jié)果一句可知“激光為外科手術(shù)帶來(lái)革命性的變化”，應(yīng)選D。

3.Thereasonwhythelaserbeamisverystrongisthat_______

A.itisartificiallyilluminated

B.itismadeupofaconcentratedbeamoflight

C.itsendsoutheatinalldirections

D.itsheatisincreasedbytheheatofthesun

參考答案：B

參考解析：B事實(shí)細(xì)節(jié)題。題干的意思’是“為什么激光束的能量對(duì)比強(qiáng)?”根據(jù)原文其次段結(jié)果一句可知“能量被集中到一起而變得強(qiáng)大”。故答案為B。

4.Aftertheuseofthelaserbeam,surgeonscanperformoperationswhich

A.leavetheirpatientswithnegativeeffects

B.cantreatonlyhumaneyediseases

C.dolittledamagetotheirpatients

D.maketheirpatientsneedalongtimetorecover