柴油机的机体由气缸体、( )箱及油底壳等组成。
曲轴
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Thereisa(n)__________betweenlogicandmetaphysics.
NexttimeI__________there,I’llaskthemaboutit.
流行;货币n.c______________
在影响储存商品质量变化的诸多环境因素中,其中最主要的是空气的_________和_________。
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
B.themanyoutalktoisyourboss
C.you’renotmarried
D.you’renervous
32.Whichofthefollowingstatementsisnottrue?
A.One’sbloodpressurechangesmanytimeseveryday.
B.Yourbloodpressurechangeswithyourfeelings.
C.Whenyou’redoingdifferentthings,yourbloodpressure,perhaps,isdifferent.
D.Thechangesofbloodpressureonlyhappentopeoplewithhighbloodpressure.
33.Thelastparagraphtellsusrelaxationtherapy__________.
A.needsanewkindofmedicine
B.hasthesameeffectasblood-pressurepills
C.ismorethanblood-pressurepills
D.isworkingandcanbeimproved