Unit3BacktothepastⅠ.根据首字母及句意，写出单词的正确形式1．U________，wearrivedtoolatetocatchtheplane.2．Howtogetridoftheincreasingwasteisam________problemtheworldisfacingnow.3．Afterthe9.11event，theAmericangovernmentd________waragainstterrorism.4．Todayther________ofancientRomehavebecomeascenicspottotouristsfromallovertheworld.5．Theboxdidn'ts________immediately；itfloatedonthewaterforalittlewhile.答案1.Unfortunately2.major3.declared4.remains5．sinkⅡ.翻译句子1．他们也进行了其他的试验。(carryout)________________________________________________________________________________________________________________________________________________2．当秋天到来的时候，树叶变成橘黄色、红色和金黄色。(turn)________________________________________________________________________________________________________________________________________________3．我们对他的健康表示关心。(beconcernedabout)________________________________________________________________________________________________________________________________________________4．在那位好心老人的带领下，我们在午饭前到了那个遥远的村庄。(with＋宾语＋宾语补足语)________________________________________________________________________________________________________________________________________________5．我们给Peter一件好礼物作为对他的合作的回报。(inreturnfor)________________________________________________________________________________________________________________________________________________答案1.Theyalsocarriedoutotherexperiments.2．Whenautumncomes，leavesturnto/intoorange，redandgold.3．Weareconcernedabouthishealth.4．Withthekindoldmanshowingtheway，wearrivedattheremotevillagebeforelunchtime.5．WegavePeteranicepresentinreturnforhiscooperation.Ⅲ.单项填空1—．Whatareyouanxiousabout?—________.A．IfwesucceedB．ThatwecansucceedC．DowesucceedD．Whetherwecansucceed答案D[答语是个省略句，是Iamanxiousaboutwhetherwecansucceed的省略。]2“．Terrorists________warontheUnitedStates，andwariswhattheygot”，Bushsaid.A．attackedB．declaredC．foughtD．offered答案B[“”句意：布什说：恐怖分子向美国宣战，他们得到的只是战争。declarewaron“……”意思是向宣战。]3．________late，healsoforgothisbooks.A．NotonlytheboyturnedupB．NotonlytheboyturnedoutC．NotonlydidtheboyshowouD．Notonlydidtheboyshowup答案D[句意：那个男孩不仅晚到了，而且还忘了带他的书。notonly放在句首时，句子要倒装，因此排除A、B两项；另外，C项的showout“……”意思是领回去，不合句意。D项showup“”意思是出现，符合句意。]4．Onceuponatimetherewasapooroldfisherman，infrontofwhosehouse________.A．ariverlayB．didariverlieC．ariverdidlieD．layariver答案D[考查倒装句。句意：从前有一位贫穷的老渔夫，他的房子前面有一条河。当句首状语为表示地点的介词词组时，句子用全部倒装语序。]5．You________buyagift，butyoucanifyouwantto.A．mustB．mustn'tC．havetoD．don'thaveto答案D[考查情态动词。根据but后面的叙述可知D项正确。don'thaveto“意为不”必，符合语意。]6．ThecartoonPleasantGoatandBigBigWolfappealssomuchtochildren________itcaterswelltotheirtaste.A．thatB．whichC．becauseD．while答案C[考查状语从句。句意：动画片《喜羊羊与灰太狼》之所以如此吸引孩子是因为它很好地迎合了他们的口味。从句意看，主从句之间为因果关系，故用连词because。]7．Nowadayssomeparentsare__________abouttheirchildren'shealth，fortheirchildrenhavetodosomuchhomeworkeveryday.A．happyB．satisfiedC．concernedD．curious答案C[beconcernedabout“”...
