ROCKETSReadthepassagequicklyandfindtheanswerstothequestions.1.Howwererocketsinvented?Byaccident---whenpeoplethrewbambootubeswithgunpowderinsideintothefiretomakeexplosionsandsawthatsomeofthemflewintotheair.2.Whataretheyusedfortoday?Theyareusedtosendastronautsintospaceandinfireworkdisplays.advancedadj.高级的,先进的advancen./v.前进,行进;进步,进展inadvance预先,事先ofadvancedyears高龄过去50年里医学上有巨大的进展。Therehavebeengreatadvancesinmedicineinthelast50years.我们总是预先交房租。Weoftenpaytherentinadvance.explosionn.爆炸;爆炸声;激增;(感情,尤指愤怒的)突然爆发setoffanexplosion引爆apopulationexplosion人口激增anexplosionoflaughter爆发出笑声explodevi.爆炸vt.(使)爆炸explosiveadj.易爆炸的;易爆发的escapevi.(气体,液体等)漏出;泄露;渗出vi./vt.逃跑;逃避escapefrom/outof从...中逃脱escape(doing)sth.逃避(做)某事他从监狱里逃走了。Heescapedfrom/outofprison.没法避免干这项工作。Thereisnowaytoescapedoingthiswork.n.逃走,逃脱makeone'sescape逃跑haveanarrowescape九死一生小偷跳上一辆小汽车逃走了。Thethiefjumpedintoacarandmadehisescape.动词-ing形式作定语:单个分词作定语,放在被修饰词的前面分词短语作定语,放在被修饰词的后面中国是一个发展中国家。Chinaisadevelopingcountry.站在那里的那个人是我的朋友。Themanstandingthereismyfriend.非谓语动词作定语:动词现在分词作定语表示主动的、正在进行的含义动词过去分词作定语表示被动的、已经完成的含义动词不定式作定语表示一个具体的、将来的动作,即不定式的动作发生在位于之后正坐在窗户旁边的那个男孩是汤姆。TheboysittingbythewindowisTom.大多数被邀请参加会议的人都是我的老朋友。Mostofthepeopleinvitedtothemeetingaremyoldfriends.我们需要有人来干这项工作。Weneedsomeonetohelpwiththework.attachvt.把...固定;重视attach...to...把...固定在...beattachto附属于;依恋attachimportancetosth重视某事attachyourselftosb和...在一起这张画是用一个钉子固定在墙上的。Thepictureisattachedtothewallbyanail.WanHuwhoinventedtheflyingchairGiveadescriptionofWanHu’sflyingchairaccordingtothepicture.Usingthewordsbelow.attached…to…twokiteschairrockets课堂精练1.Youshouldputthe__theoryintopractice.A.advanceB.advancedC.advancingD.advancedly2.Idon’tthinkthetelephonewasinvented___.A.bychanceB.byachanceC.byaccidentsD.byanaccident3.Luckily,thelittleboyescaped___inthefightinginthestreet.A.ofbeingkilledB.frombeingkilledC.ofkillingD.fromkilling根据括号内所给的汉语提示完成下列句子,每空一词。1.Hedidn’tbreakthewindowonpurpose;infact,hediditquite__________(意外地).2.Tenpassengersnarrowlyescaped__________(受伤)bythebuscrash.3.Thoughhisplansoundedwonderful,____________(并非所有人)wasinfavorofit.byaccidentbeinghurtnoteveryone4.Mycomputerbrokedownbecauseavirus____________(附着在)ane-mail.5.WhenIwasonmywayhome,Iwasnearlyknockedoverbyacarcoming_______________(朝我的方向).6.Thecountryhasbeen_________(与……交战)itsneighbourfortwoyears.wasattachedtoinmydirectionatwarwith