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Einstein ’ s new theory on optics changed__________ scientific idea about light.

A、technical
B、original
C、classical
D、mechanical
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正确答案:

C

答案解析:

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翻译:sale tax

交易;事务;处理 n. t_______________

Relaxationtherapy(=treatment).Ifyoureadthesentenceoutloud,yourbloodpressurewillgoup.Ifyoutalktoanotherperson,itwillgostillhigher.Ifthetalkiswithyourboss,yourpressurewillgoevenhigher.Ifyouspeaktosomeoneoftheoppositesex,yourpressuremayshowlesschangeifyou’remarriedthanifyou’resingle.Dozensoftimeseachday,yourbloodpressurechangeswithwhatyou’refeelinganddoing.These“upsanddowns”takeplaceineveryone,buttheyaremoresevereinpeoplewithhighbloodpressure.Thatdiscoveryisthebasisforthenewesttherapy:controllingbloodpressurebylearningskillstocontroleverydaystress.Manypatientscontroltheirbloodpressurewiththerelaxationresponse.Thistakesfoursimplethings:aquietenvironment,acomfortableposition(sittingorlyingdown),therepeatingofaword,prayerorphraseeachtimeyoubreatheandhavingnoneofotherthoughts.Somethingremarkablehappenswhenyoudothis,accordingtoresearchinBoston.Relaxationofthemindandbodyhastheeffectthatsomeblood-pressurepillswouldhave.What’smore,thebloodpressurestayslower,justasitwouldwithapill,afteryouhavestoppedtherelaxationandhavereturnedtothestressofdailylife.

31.Thefirstparagraphtellsusthereasonwhyyourbloodpressuregoesupisthat__________.

A.youreadaloudasentence

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32.Whichofthefollowingstatementsisnottrue?

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B.Yourbloodpressurechangeswithyourfeelings.

C.Whenyou’redoingdifferentthings,yourbloodpressure,perhaps,isdifferent.

D.Thechangesofbloodpressureonlyhappentopeoplewithhighbloodpressure.

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英译汉:The implications for businesses are vital, since this emerging technology may change how companies sell their goods. Ramifications companies need to take steps to address include: · Disintermediation of individual auction environments through bots that allow buyers to automatically poll multiple auction services and fixed-price channels to garner advantageous terms;

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