1.保持生态平衡很重要。2.懒汉谋生日益艰难。3.夏天到湖里游泳多有趣呀！4.我们多兴奋啊！5.如何处理垃圾是个大问题。1.Itisimportanttokeepthebalanceofnature.2.Itisgettinghardereverydayforalazymantoget/makealiving.3.Whatfun/Howinterestingitistoswiminalakeinsummer!4.Howexcitedweare!5.Howtogetridofrubbishisabigproblem.6.他的爱好是晚饭后下棋。7.我对他的话深感失望。8.他的演讲鼓舞人心。9.他不知道是否该去那里。10.他认为帮助别人是他的责任。6.Whathelikesisplayingchessaftersupper.7.Iwasgreatlydisappointedatwhathehadsaid.8.Hisspeechisencouraging.9.Hedidn'tknowwhethertogothereornot.10.Hefeelsithisdutytohelpothers.11.Iamlookingforwardtohearingfromyou.12.Heinsistedonourbothacceptingtheinvitation.13.Willyoukindlyacceptanapologyformynotbeingpresentatyourpartylastevening?14.ThankyouforyourgreathelpwithmyEnglish.15.Weheardhimsinginginaloudvoice.11.我盼望收到你的回信。12.他一定要我们俩都接受邀请。13.请接受我诚挚的歉意，我昨晚没参加宴会。14.谢谢你在英语上给予我的帮助。15.我们听到他大声唱歌。16.我回到家时，发现客人已走了。17.她发现房间收拾得井井有条。18.他总是第一个来，最后一个走。19.一个人开着车从北京赶来。20.现在讨论的问题必须保密。16.WhenIgethome,Ifoundtheguestsgone.17.Shefoundtheroomingoodorder.18.Heisalwaysthefirsttocomeandthelasttoleave.19.AmanridingacarcamefromBeijing.20.Theproblembeingdiscussedheremustbekeptsecret.21.我多么懊悔在林间和田野里浪费那么多时间！22.她轻轻地走进来，以免吵醒睡觉的孩子。23.他回到家里，发现老朋友Tom正在等他。24.海水太冷，不能游泳。25.我们爬到塔顶，看到一片美景。21.HowIregrettedthehourswastedinthewoodsandfields!22.Shecameinquietlysoasnottowakethesleepingchild.23.HewenthomeonlytofindhisoldfriendTomwaitingforhim.24.Theseawastoocoldtoswimin.25.Climbingtothetopofthetower,wesawawonderfulview.26.如果照管得好些，这些树会长得好些。27.他气喘喘地跑到她面前。28.老师走进教室，后面跟着几个来访者。29.女孩一个人坐在那里，陷入深思。30.鱼必须呆在水里，否则会死。26.Givenbetterattention,thetreeswouldgrowevenfaster.27.Heranuptoherbreathingheavily.28.Theteacherwalkedintotheclassroom,followedbysomevisitors.29.Thegirlsataloneforsometime,lostinthought.30.Fishmuststayinwater,ortheywilldie.31.要努力工作，否则不会成功。32.那就是他所住的地方。33.他失败的原因是他太依赖别人了。34.站在那儿的高个子是我弟弟。35.书在桌上，你放在那里的。31.Workashardasyoucan,oryouwillneversucceedinlife.32.That’swherehelives.33.Thereasonwhyhefailedisthathedependsonotherstoomuch.34.Thetallmanstandingoverthereismybrother.35.Thebookisonthetable,whereyouleftit.36.只有你的话他才可能听。37.我每次见到她，她都在读书。38.把它放在原来的地方。39.无论到哪，雷锋都乐于助人。40.机会这样好，我们可不能失掉。36.Youaretheonlypersonwhoseadvicehemightlistento.37.EverytimeIseeher,sheisreading.38.Putitwhereyoufoundit./Putitwhereitwas.39.Whereverhewent,LeiFengwasalwaysreadytohelpothers.40.It’ssuchagoodchancethatwemustn'tmissit.41.大声点，以便大家都能听见。42.他讲得很慢，以便让人人都能听见。43.只要你努力，就能通过英语考试。44.不管喜欢与否，你非做不可。45.他经常受表扬，但从不骄傲。41.Speakloudersothateveryonecanhearyou.Speakloudertomakeyourselfheard.42.Hespokeslowlyinorderthateveryoneshouldunderstand.43.YoucanpasstheEnglishexaminationsolongasyouworkhard.44.Whetheryoulikeitornot,you’llhavetodoit.45.Hehasoftenbeenpraisedbutheisneverproud.46.我除了学英语，还学法语。47.这件事对你我都很重要。48.他不光给我钱，还给我建议。49.他不仅是著名诗人，还是...
