北京英语学位考2013年试题真题(3)

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北京英语学位考2013年试题真题,GET

That、 with the rightΠ thc sun.“ n⒙ W, u

vish is a step closcr to coming truc.RcCent experimcnts show that cotton fabric coated uxturc of CheΠ 1icals can disso1ve stains and rcmoⅤ c odors aftcr only a fe、 v hours in’ says

Ihc tcchnology can bc applicd to all londs of fabrics and their related products,’ 1ingce Long Hc helped develop the trcated cotton、 Vith lⅡ s collcaguc Dcyong

teria1s scicntist lˇ

The handy fabric gcts its sclf-clea血 thrcads, Thc coa伍

ng abihtics fro∏

1a chcΠ

ucal血

xture that coats thc cotton vⅡ ch trigger chcrrllcal

ng includcs substanccs known as phOtOcatalysts,、

rau cc。

n hhh.n Jtocpooaayt,aldtt血 s gtOe hs htctlssclc ia ver iodide (f典

u山 m化

oic二 xd(

氧

化

钛

)hls,cp

sunscrcen block thc sun. Another, ca1led si】 photographs.Rcscarchers have previously sho、 clo曲 es—— but、 vith exposurc to ultraⅤ vn that tita血

矧艮 ), is usCd for dcve1oping

um dioxide nⅡ

xtures cou1d remove stains in

iolct,not visible,light.(The wavcs of ultraviolct light are

morc cnergetic and shorter than those of visiblc light)othCr studics have dcmonstrated that

silver iodidc can spced up cheΠ“ NVc knev￠ devc1oped,butthey cannot、 usc thc fabrics in dai1y lifc,、 Wu crcatcd ju哎 Cotton Coatcd、 boosted thc fabric’ seven ti1Ⅱ such a hbr忆 vith the tita血 1ical reactions in sunlight。 that sclf-cleaning co仗 vork,or they、 on fabrics、Ⅳ ork、 vith titaruum dioxide coa吐 vcakly,under sunhght,” ng had alrcady been Long says,“ If we、 vant to

vc must deVelop cotton that Cleans itsc1f undcr dayⅡ,wσ⒗ ng for years to perfect山 c reope br a hqod dⅡ

ght.”

Long and

thatlcR ver ioddc,、 vhch Vas nearly

um diOxidc lIuxture.Thcn thcy addcd particles of sⅡ In laboratOry tests,their creation、 1dioxidc aIone。

s se1f-c1eaning abi1ity in the sun。

cs bcttcr at ren1oVing stains than titaniuΠ

Thc scicntists can’ surc thc coated cotton、 foods,rcccnt eXperirllcnts haⅤ bcforc thcⅡ uterial can bc、

t start scl1ing thcir scIf-cleaning cotton just yet; they sti"necd to rrlakc vOn’ t harm those、 c sho、 vhO、 vcar it。 Although titaniuΠ 1dioxidc is uscd in sOmc s if it gcts in thc lungs So vay tO makc itsafc,

vn that it can causc health problelη

vorn,scicntists nccd to nnd a、

57.The nlatcoals dcveloped by Mingce Long can clcan theII△ A。 being soakcd in aΠ uxture of chcΠⅡ cals

selvcs by~.

B.bcing cxposed omy to ultravioletlightC,bcing cxposed to sunhght for aΙ D.bcing hung in high-telllperature cnvironments cw hours

58. Theresearch conducted Long andhis colleagues by A. is based previous on studies B. hascaused debate a amongscientists work in a new field C. is pioneer D. poses challenge otherscientists a toB-9

北京英语学位考2013年试题真题,GET

materialsis whether 59. Long's major concernover the self-cleaning A. their cleaning ability can last B. it is safeto wearthem C. their cleaningeffect is satisfactory them D. it is cost-effective produce to 60. We canlearn from the laboratoryteststhat their research A. hasleft muchto be desired B. hasyet to produce convincing results C. will yield hugeeconomic benefits D. canbe considered success a6 l. It can be learned from the last paragraph that self-cleaning clothes A. prove to be better than expected B. are still at the experimental stage C. will soon be put into the market D. may produce more harms than benefits

62. What is the major topic of the passage? A. The effectivenessof self-cleaningfabrics. B. The application of self-cleaningtechnology. C. The development of self-cleaning materials. D. The necessityof self-cleaning clothes.

Passage Three TFIE digitat attack of e-books and Amazon-style e-tailers has put bookstoresat risk. Digital books are expectedto outsell print titles by 2015 in Britain and even soonerin America. With this change, physical bookstoresappear to be on borrowed time. So, what is the future of the bookstore?This is a burning questionon everyone'slips at a recenteventat Foyles'sflagshipbookshopin London. To remain successful,a bookstoremust improve"the experienceof buying books," says Alex Li

fschutz, an architect. He suggestsan irrray of approaches:"small, quiet spacesshelteredwith books; larger spaceswhere one can dwell and read; other larger but still intimate spaceswhere one can hear talks from authors about books." Exteriors must buzz with activity, entrances must be full of presentations. The trend for not only incorporatingcaf6sin bookstores but also placing eye-catching them on the top floor makes good sense.This draws shoppersupwards floor-by-floor, which is bound to encouragepeople to linger longer and spendmore. is need to become There are plenty of ways to delight customers. The consensus that bookstores

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北京英语学位考2013年试题真题,GET

cultural destinations where people are prepared to pay good money to hear a concert, see a film or attend a talk. The programming will have to be intelligent and the space comfortable. As shoppers often browse in shops only to buy online later, some wonder whether it makes senseto charge people for the privilege. A more attractive idea might be a membership schemelike those offered by museums and other cultural venues. Unlike reward cards, which offer discounts and other nominal benefits' a club membership could provide priority accessto events and a private lounge where members can eat, drink and meet authors before events. Different memberships could tailor to the needs of children and students. To survive and thrive, bookstoresshould celebratethe book in all its filrms: rare, second-hand, shouldhave the option of buying e-booksin-store' and budding digital, se …… 此处隐藏：7200字，全部文档内容请下载后查看。喜欢就下载吧 ……