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关于科学用脑的英语作文
关于科学用脑HowtoUseOurBrain
1.人脑的重要性及作用。
2.如何科学用脑。
[写作导航]先写大脑的特性和作用(复杂、智能的器官,使人区别于动物等);
再写大脑越用越灵,但过度使用也会出问题,为第三段作铺垫;第三段从两方面
说明如何合理用脑:一是劳逸结合,手脑交替;二是从科学的角度,利用数据,
说明过度用脑可能给大脑带来的伤害。
Humanbrainisthemostcomplexandintelligentmechanismintheworld.Itisthema
jorfactorthatdistinguishesmanfromanimals.Withourbrainwegettoknowthewo
rldandmakeagooduseoftheworldtoourbenefit.
Ourbrainisaproductofconstantusethroughmillionsofyears.Otherthingscanb
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eusedup,butusedproperly,ourbraincanneverbeexhausted.Infact,
themoreweuseit,
themorecapableandefficientitwillbecome.Excessiveuseofthebrain,however,
willcausealotofproblems.Soitisusefultoknowhowtouseourbrainwisely.
First,
handworkorphysicallaborisgoodexerciseaswellasrestforourbrain.Doinghan
dworkandbrainworkalternativelycanhelpdevelopbothourbrainandhands.Seco
ndly,weshouldavoiddoingbrainworkforlonghoursonend.Thebrain,
though3%ofthebodyweight,whenatwork,
consumes20%oftheoxygencarriedby16%ofthebloodincirculation.Alongperiod
ofbrainworkmaycause,throughlackofbodilyactivity,
slowbloodcirculationandinadequateoxygensupplytothebrain,
resultingininefficiencyandpossibledamagetothebrain.
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