高中英语必修4Unit2复习

在过去10年的时间里一个令人烦恼的问题幸亏；由于使...摆脱，除去带有...装备，配备懊悔曾经做过很遗憾要做...逐渐增强，建立导致集中〔注意力，精力〕于使...免受〔影响，伤害〕；使...不含(有害物质〕inthepast10decadesadisturbingproblemthankstoridsbofsth/getridofbeequippedwithregretdoingregrettodobuildupleadtofocusonkeep...freefrom/ofsthbefreefrom/of评论...对...感到满意宁愿，宁可对...有渴求/欲望扩大词汇量在意，在乎，关心使做〔某事〕成为...带着某种希望盛产，富含和...相比，更喜欢交流知识世界各地comment/makecommentsonsthbesatisfiedwithwouldratherdo...thandohaveahungerforexpandone'svocabularycareaboutmakeit...todosthwiththehopeofberichinprefer...tocirculateknowledgearoundtheglobe除此以外，还有...防止危害环境或人们的健康防止水或风带走土壤让我们遗憾的是在...斗争中inadditionavoiddamagingtheenvironmentorpeoplehealthpreventwindorwaterfromcarryingawaythesoiltoourregretinthestruggleof然而仅仅梦想,不需要本钱.

Justdreamingforthings,however,costsnothing.花钱在他自己身上或者过着安逸的生活，对他而言没有意义。Spendingmoneyonhimselforleadingacomfortablelifemeansverylittletohim.用杂交水稻，农民们种出的粮食比以前多了一倍。Usinghybridrice,farmerareproducingharvesttwiceaslargeasbefore.饥饿导致糟糕的身体状况，因此导致疾病。Hungerleadstopoorhealthand,therefore,disease.长期使用化肥对土地，更危险的是，对人们的健康造成危害。

Longer-termuseofchemicalfertilizercancausedamagetothelandand,evenmoredangerous,topeople'shealth.随着时间的推移，食物中的这些化学物质会才人体内累积。Thesechemicalsinthefoodsupplybuildupinpeople'sbodiesovertime.他们关注保持土壤肥沃并免遭疾病。Theyfocusonkeepthesoilrichandfreeofdisease.Grammar动名词作主语和宾语Spending...orleading...meanslittletohim.It'snouset