24秋初中英语七年级上册（配外研版）23 课时分层训练十八 Starting out Understanding ideas

Unit6The powerof plants课时分层训练十八Starting outUnderstanding ideas知识点一important的用法

1.一Simon,its Ato respectyour parents.一Sorry,Mr Wu.I wont shoutat themagain.A.important B.difficultC-interesting D.dangerous

2.Jack,please comehere!I haveC totell you.A.important somethingB・anything importantC.something importantD・important anything

3.To improvethe environment,it isnecessary tomake everyoneknow theimportanceimportant ofgoing green.知识点二“It is+adj.+for sb+to dosth.”的用法

1.It isdifficult Cus everythingwell.A.of；to do B.for；doC.for；to doD.of；do

2.It isimportant foryou toremember rememberthe Englishwords.

3.It isuseful useto dosports in the morning.

4.It ismeaningful meanto dovoluntary work.

5.知道如何礼貌地求助很重耍Il is a力.lo do...汉译英Its importantto knowhow toask forhelp politely.知识点三nature的用法

1.The Bis thebest school—every tree,river,and animalin ithas astory toteach us.A.block B.natureC.stage D.history（）

2.The habitatisanatural naturehome ofan animal.（）

3.Now moreand morepeople likeeating naturalnature food,like vegetablesand fruit.

4.忘记新单词是很自然的（汉译英）It isnatural toforget thenew words.能力提升练完形填空Do youlike pandasThey areusually black]white.But Roshani is different.She2ared pandaand shehas reddish-brown（红褐色的）fur.Roshani is13years oldand she3fromMelbourne（墨尔本），Australia.She livesin4zoo withher family.Craig Williams,a keeper（饲养员）in thezoo,says,“Roshani isvery oldas ared panda.She isa great-grandmother.Every year,she needs5a healthcheck.We check6legs andteeth.She isin goodhealth.Weall7happy.Roshaniiscute andsometimes sheis shy.Many peoplelike herand theyoftencome to see her.But Roshaniis8lazy.She sleepsmost of the time.Red pandasare9greatdanger now.There aremany thingswe can10to savethem.Let，s startnow,“Craig says.（）C

1.A.or B.becauseC.and D.but解析句意它们通常是黑白相间的or或者；because因为；and和；but但是结合生活常识可知，熊猫是黑白相间的，因此填and故选C（）D

2.A.be B.amC.are D.is解析句意它是一只红熊猫，有红棕色的皮毛be系动词原形；am是（主语是第一人称单数）；are是（主语是复数）；is是（主语是第三人称单数）She作主语，时态是一般现在时，谓语用第三人称单数is故选D B

3.A.come B.comesC.coming D.to come解析句意Roshanil3岁了，来自澳大利亚墨尔本come来，动词原形；comes动词第三人称单数形式；coming动词现在分词；to come动词不定式空处缺谓语，主语是第三人称单数，时态是一般现在时，谓语动词用第三人称单数形式comeso故选BA

4.A.a B.anC.the D./解析句意它和家人住在动物园里a一个，表示泛指用于以辅音音素开头的单词前；an一个，表示泛指用于以元音音素开头的单词前；the这个，那个此处表示泛指，用不定冠词，zoo以辅音音素开头，用不定冠词a故选AD

5.A.to seeB.seeingC.having D.to have解析句意每年，它都需要进行健康检查tosee看见，动词不定式；seeing动词现在分词；having有，动词现在分词；to have动词不定式根据“needs”可知,need是实义动词,后面跟动词不定式todo,根据a healthcheck”可知，此处指进行健康检查，用动词have的不定式形式故选DD

6.A.we B.ourC.she D.her解析句意我们检查它的腿和牙齿we我们主格；our我们的形容词性物主代词；she她主格；her她的宾格或形容词性物主代词根据“…legs andteeth.She isin goodhealth.“可知，此处指熊猫的腿和牙齿，此处用she的形容词性物主代词her故选D A

7.A.feel B.feelsC.feeling D.to feel解析句意我们都感到很高兴feel感觉，动词原形；feels动词第三人称单数形式；feeling动词现在分词；to feel动词不定式空处缺谓语动词，主语是复数形式，时态是一般现在时，谓语动词用原形故选AB

8.A.kinds ofB.kind ofC.a kind of D.all kinds解析句意但Roshani有点懒惰kinds of各种各样的;kind of有点；a kindof一种；all kinds各种分析句子结构可知，空处填副词修饰形容词lazy,kindof”有点”，副词，符合语境故选B（）C

10.A.doB.doesC.to doD.doing解析解析句意我们可以做很多事情来拯救它们do做，动词原形，does动词第三人称单数形式；todo动词不定式；doing动词现在分词空前can是情态动词，后面跟动词原形故选A【创新运用】阅读理解Plants arerooted（扎根）in oneplace.They cantrun awayfrom dangeror walkover thesunnyside of the garden.So theyhave todevelop somespecial waysto protect themselvesand growinthenature.Some scientistsfound that plants cansense theirsurroundings（环境）.Youve allseenplants grow towards lightwhich iscalled phototropism.Even ifthe topof themare cutoff,the plantsdont change the direction.They sense the lightand tellthe restoftheplants howto grow then.Some plantstalk”with each other byusing“airmailn towarn each other ofdanger.Researchers inEngland cutthe leavesof cabbages.The cabbagesthen producea tinynumber ofchemicals（化学物质）thatprotect themselves from some insects.Strangely,thecabbages which aren51cut nearby also beginto giveoff theirown differentchemicals.Thatmeans theyseem toreceive awarning fromtheir cabbageneighbours.Most amazingly,plants havea greatsystem ofcommunication thatcan connect nearlyevery plantin aforest byfungi（真菌）.It connectsthe rootsof differentplants to eachother.Scientists callthe systemthe“wood wide web”,similar tothe internetwe use.Using thenetwork,plants cancommunicate andshare informationand evenfood with eachother.Whatever thecase,plants arestranger andmore wonderfulthan wecan imagine.B

1.Picture showsthe underlinedword“phototropism”in Paragraph

2.*询c.解析细节理解题o根据Youve allseen plantsgrowtowardslight…”可知,植物向光生长，这种现象被称为“phototropism，所以phototropism意为“向光性”，B项图片符合题意故选B C

2.The cabbagesproduce thechemicals to.A.sensethe lightB・changethedirectionC・protectthemselves角星析细节理解题才艮据The cabbagesthen producea tinynumberofchemicals化学物质that protectthemselvesfromsomeinsects.“可知，卷心菜产生化学物质来保护自己免受一些昆虫的侵害故选C C

3.The underlinedword theyrefers toin Paragraph

3.A.unhealthy leavesB・airmailC-uncut cabbages角星析词义猜测题根据“Strangely,the cabbageswhicharen，t cutnearbyalsobegin togiveoff theirown differentchemicals.”可知，附近没有被割的卷心菜也开始释放出不同的化学物质，“它们”似乎收至I了卷心菜邻居的警告所以此处“they”指未被割的卷心菜故选C B

4.According tothe passage,we knowthatplants have theability of.©sense DthinkingDcommunication©hearingA.

①④B.

①③C.

②④解析细节理解题根据“They sensethelightand tellthe restoftheplants howtogrowthen.n可知，植物有感知能力，它们能感受到光；根据“Someplants talkwitheachother byusing“airmail towarn eachother ofdanger.”可次口，植4勿有交流的能力，它们通过“航空邮件”互相“交谈”，警告对方有危险故选Bo B

5.The fungibuilds the“wood widewebby.A.making noisesB・connecting the rootsC・using theinternet解析细节理解题根据“Most amazingly,plantshavea greatsystem ofcommunicationthat canconnectnearlyevery plantin aforest byfungi真菌.It connectstherootsofdifferent plantstoeachother.Scientists callthe systemthe woodwideweb,similar totheinternet weuse.可知，真菌通过连接不同植物的根来建造“木维网”故选B。