焊接时用强迫冷却的方法将焊接区的热量散走,使焊缝附近的金属受热面大为减小,以减少焊接变形的方法称为( )。
A、散热法A
暂无解析
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
仓库能降低物流总成本是以下哪种功能的体现()
以下不属于运输基础设施的是()
在国际货物买卖合同中,合同的名称、合同号码位于()。
国际贸易环境因素的PEST分析中,“E”代表()。