在网上使用搜索引擎查找信息时,必须输入____。
D
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Inthepast,peopleusedtotravelabroadtolookmanydifferences.Nowadays,placesallovertheworldaremoreandmoresimilar.Whatarethecausesofthesimilarity?Doyouthinktheadvantagesofthisproblemoutweighthedisadvantages?
PerksandFitness:NoLongeraNicetybutaNecessity
Wethankyou_____foryoucooperation.
Johngotbeateninthegame,____hadbeenexpected.
Ioftenthoughtofmychildhood,____Ilivedonafarm.