拓展thereexists表示“存在/有”，是“therebe”句型的延
伸，类似的还有therestand(s)，therelie(s)therelive(s)，
thereoccur(s)等。
完成句子
(1)少数人认为世界上存在恶魔。
Severalpeoplebelievethedevil________intheworld. exists
dependon
Ⅰ.单词拼写
根据首字母或者汉语注释写出单词的正确形式。
1．I’mina________( puzzle 迷惑)astohowtocopewiththenew situation. 2．Hewouldneverbe________( 有害的)toanyone. harmful 3．One________( theory 理论)aboutthemoonisthatitisapiece
7．________youaregrown ­up，youshouldnotrelyonyour Nowthat parents. 8．Shouldanotherworldwar________ ，whatwouldbecomeof breakout humanbeings? 9．Thecrowdwhentheysawtheteamsarrive. cheeredup getcloseto 10．Tellthechildrennottothecave.
3．Theyareputtingtoomuchcarbondioxideintothe atmosphere，whichpreventsheatfromescapingfromtheearth
intospace.(P25，L48～49)
prevent...(from)doing...阻止某人干某事；防止某事发生 [翻译]他的头痛没有阻止他第二天去上课。 Hisheadachedidnotpreventhim(from)goingtoclassthenextday. ______________________________________________________
emtoeattheirfood.
寓意理解
Cooperationisbetterthanconflict.Ourgoalisnotthatwegetsomething
andtheothergetsnothing，butthatallpeoplegetwhattheywant.Thus， cooperationwillbenefiteveryone.
Ⅳ.模仿造句 1．Whatifwastobecomewasuncertainuntilbetween4.5and3.8
billionyearsagowhenthedustsettledintoasolidglobe.(P25，
L7～8)
betodo...必将会做
[翻译]年轻时，他不知道自己以后会举世闻名。 ___________________________________________________ Asayoungmanhedidn’tknowhewastowinworldfame . lateron.
whichweretomaketheearth’satmosphere.Astheearthcooleddown， waterbegantoappearonitssurface.Itallowedtheearthtodissolvegase
s.Thenlifebegantodevelop.
hamful
science.
7．Aballoonfinthewind. loated
8．Ifyoumfivebysix ultiply ，you’llgetthirty.
9．Inthisvconflict iolent ，about20commonpeopledied.
10．Mancan’tlivewithoutwaterando. xygen
你能否对此加以扩展，写一篇120词左右的小短文？
短文填空
根据课文HOWLIFEBEGANONTHEEARTH完成下列短文
____afterthe“BigBang”.Theearthloudly dust withfireandrock.Theyweretoproducemanythings exploded ， intime
4．LastmonthIwasluckyenoughtohaveachancetomakea tripintospacewithmyfriendLiYanping，an astronomer.(P30，L2～3) be＋adj.＋enough＋todo足以做……
[翻译]这个男孩子的年龄足够大了，能参军了。
Ⅱ.短语填空
1．Don’tworry—I’msurethingswillgetbetter________. intime
givingbirthto 2．Wecongratulatedheronafinehealthybaby.
3．Nowthatwehavefinisheddesigning，thecompany，
[翻译]他跑起来速度比我快一倍。
_____________________________________________________ HerunstwiceasfastasI.
6．“Oh，dear，”Icried，“walkingdoesneedabitof
practicenowthatgravityhaschanged.”(P31，Para.3)
_____________________________________________________ Smokingisharmfultohealth.
3．existvi.存在；生存 联想existas作为……而存在；以……形态存在 existin存在于……中 existon靠……生活[生存] 搭配thereexist(s)表示“存在/有”，此时exist不用进行时。
(2)好人到处都有。
____________________warm ­heartedpersonseverywhere. Thereexist
4．puzzlen.谜；难题
vt.&vi.(使)迷惑；(使)为难
搭配用适当的介词或副词填空(1)puzzle_______/_______ over about
nowthat...既然/由于…… [翻译]既然大家都到了，咱们开会吧。 Nowthateveryoneishere，let’sbeginourmeeting. ___________________________________________________
核心词汇梳理
1．unlikeprep.与……不同；不像；非……的特征 归纳(1)beunlike...相当于bedifferentfrom... (2)unlikesth./sb.位于句首，常用于表示对比。
2．Theywereintimetoproducecarbon，nitrogen，watervapour
andothergases，whichweretomaketheearth’s atmosphere.(P25，L11) intimetodosth.来得及干某事 [翻译]我们正好赶上了早班车
____________________________________________________ Wewereintimetocatchtheearlybus.
Ⅲ.完成句子 1． ( 随着地球的冷却)，waterbegan Astheearthcooleddown toappearonitssurface.(cool) 2．Whetherlifewillcontinueontheearthformillionsof
yearstocomewill
_____________________________________________________ dependonwhetherthisproblemcanbesolved (取决于这个问题能否得到解决)．(depend) 3．Walkingdoesneedabitofpractice nowthatgravityhaschanged (因为引力改变了 )．(now)
Theboyisoldenoughtojointhearmy. _____________________________________________________ 5．ButwhenItriedtostepforward，IfoundIwascarried twiceasfarasontheearthandfellover.(P31，Para.3) twiceas...as...是……的两倍
，shoulddotheconstructingwork. initsturn
4．Thewallallthelight.Itshouldbepulleddown. blocksout
5．Shetoldherchildtowhenhewascrossingthestreet. watchout 6．Usingthecomputerisn’tdifficultonceyouit. getthehangof
brokenofftheearth.
4．Theantswere________( pulling拖)piecesofcorn.
5．OurEnglishteacherisamanof________( 宗教信仰)． religion
6．Studentsshouldpayspecialattentionto(基础 ) fundamental
(3)unlike的反义词为like。运用：完成句子
(1)音乐与其他艺术形式不同。 Musicisquite. unlikeanyotherartform
(2)本系统与多数系统不同，极易安装。