299.上海浦东新区在过去的30年里发生了巨大的变化。(see)考点:某处某时发生巨大的变化spseesgreatchangesinst.stseesgreatchangesinsp上海浦东新区:PudongNewAreainShanghai在过去的30年里:inthepast30yearsPudongNewAreainShanghaihasseengreatchangesinthepast30years.Thepast30yearshasseengreatchangesinPudongNewAreainShanghai.300.X射线,今天人们不以为然的技术,不仅被用在医学领域,而且也被用来鉴定艺术作品。(notonly…butalso)考点:不仅做A而且做B:notonlydoAbutalsodoBA=被用在医学领域:beappliedinthemedicalfieldB=被用来鉴定艺术作品beusedtoidentifyworksofart今天人们不以为然的技术atechniquethatpeoplethinknothingofAnX-ray,atechniquethatpeoplethinknothingof,isnotonlyappliedinthemedicalfieldbutalsousedtoidentifyworksofart.301很感激志愿者在上海博物馆为我们做精彩的解说。(grateful)考点:因某事感激某人:begratefultosbforsth为某人做精彩的解说provideawonderfulexplanationforsbWewere/aregratefultothevolunteersforprovidingawonderfulexplanationforusinShanghaiMuseum.302.当我们踏入社会时,要学会适应竞争激烈的社会生活。(When)考点:Whenwestepintosociety,学会适应某事:learntoadaptoneselftosth竞争激烈的社会生活:fiercelycompetitivesociallifeWhenwestepintosociety,weshouldlearntoadaptourselvestothefiercelycompetitivesociallife.303.如果有更多的人乘坐公交车或地铁上班,那么我们不仅可以短期内避免交通堵塞,而且从长远来看,能有效防止交通堵塞问题。(Notonly)考点:某人不仅能做A而且做BNotonlycansbdoA,butsbcanalsodoB.A=短期内避免交通堵塞avoidtrafficjamsintheshorttermB=有效防止交通堵塞问题preventtheproblemoftrafficjamseffectively乘坐公交车或地铁上班gotoworkbybusorunderground从长远来看:inthelongrunNotonlycanweavoidtrafficjamsintheshortterm,butwecanalsoeffectivelypreventtheprobleminthelongrun,ifmorepeoplegotoworkbybusorunderground.