07年考研英语冲刺班讲义及内部模拟试题

《07年考研英语冲刺班讲义及内部模拟试题》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、07年考研英语冲刺班讲义及内部模拟试题 考研冲刺班讲义[主讲人：周固]    一：英语知识运用    05版：    Thehumannoseisanunderratedtool.Humansareoftenthoughttobeinsensitivesmellerscomparedwithanimals,(1)thisislargelybecause,(2)animals,westandupright.Thismeansthatournosesare(3)toperceivingthosesmellswh

2、ichfloatthoughtheair,(4)themajorityofsmellswhichsticktosurfaces.Infact,(5),weareextremelysensitivetosmells,(6)wedonotgenerallyrealizeit.Ournosesarecapableof(7)humansmellsevenwhentheseare(8)tofarbelowonepartinonemillion.    Strangely,somepeoplefindthattheyc

3、ansmellonetypeofflowerbutnotanother,(9)othersaresensitivetothesmellsofbothflowers.Thismaybebecausesomepeopledonothavethegenesnecessarytogenerate(10)smellreceptorsinthenose.Thesereceptorsarethecellswhichsensesmellsandsend(11)tothebrain.However,ithasbeenfoun

4、dthatevenpeopleinsensitivetoacertainsmell(12)cansuddenlybecomesensitivetoitwhen(13)toitoftenenough.    Theexplanationforinsensitivitytosmellseemstobethatbrainfindsit(14)tokeepallsmellreceptorsworkingallthetimebutcan(15)newreceptorsifnecessary.Thismay(16)ex

5、plainwhywearenotusuallysensitivetoourownsmellswesimplydonotneedtobe.Wearenot(17)oftheusualsmellofourownhousebutwe(18)newsmellswhenwevisitsomeoneelse’s.Thebrainfindsitbesttokeepsmellreceptors(19)forunfamiliarandemergencysignals(20)thesmellofsmoke,whichmight

6、indicatethedangeroffire.    1.［A］although［B］as［C］but［D］while    2.［A］above［B］unlike［C］excluding［D］besides    3.［A］limited［B］committed［C］dedicated［D］confined    4.［A］catching［B］ignoring［C］missing［D］tracking    5.［A］anyway［B］though［C］instead［D］therefore    6

7、.［A］evenif［B］ifonly［C］onlyif［D］asif    7.［A］distinguishing［B］discovering[C]determining［D］detecting    8.［A］diluted［B］dissolved［C］dispersed［D］diffused    9.［A］when［B］since［C］for［D］whereas    10.［A］unusual［B］particular［C］unique［D］typical    11.［A］signs［B］sti

8、muli［C］messages［D］impulses    12.［A］atfirst［B］atall［C］atlarge［D］attimes    13.［A］subjected［B］left［C］drawn［D］exposed    14.［A］ineffective［B］incompetent［C］inefficient［D］insufficient    15.［A］introduce［B］summon［