2021年12月英语四级听力:HowHighCanYouJump?
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2021年12月英语四级听力:How High Can You Jump?思维导图模板大纲
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Fleastrainershaveobservedastrangehabitoffleaswhiletrainingthem.
Fleasaretrainedbyputtingtheminacardboardboxwithatoponit.Thefleaswilljumpupandhitthetopofthecardboardboxoverandoverandoveragain.Asyouwatchthemjumpandhitthelid,somethingveryinterestingbecomesobvious.Thefleascontinuetojump,buttheyarenolongerjumpinghighenoughtohitthetop.
Whenyoutakeoffthelid,thefleascontinuetojump,buttheywillnotjumpoutofthebox.Theywillnotjumpoutbecausetheycannotjumpout.Why?Thereasonissimple.Theyhaveconditionedthemselvestojumpjustsohigh.Oncetheyhaveconditionedthemselvestojumpjustsohigh.Oncetheyhaveconditionedthemselvestojumpjustsohigh,thatisalltheycando!
Manytimes,peopledothesamething.Theyrestrictthemselvesandneverreachtheirpotential.Justlikethefleas,theyfailtojumphigher,thinkingtheyaredoingaltheycando.
UsefulWordsandExpressions:
1.cardboard纸板
2.lid盖子
3.conditioned有条件的,习惯于……的
4.restrict限制,约束
berestrictedwithinnarrowlimits限于狭窄的范围内
berestrictedinone’smovements行动受限制