資源簡介 / 讓學(xué)習(xí)更有效 新課備課備考 | 英語學(xué)科/ 讓學(xué)習(xí)更有效 新課備課備考 | 英語學(xué)科2025年牛津譯林版九年級英語上冊精講精練Unit 2 Colours核心語法:動名詞作主語一、動名詞作主語的核心概念動名詞(Gerund)是"動詞原形+ing"構(gòu)成的非謂語形式(如swimming, reading),作主語時(shí)表示經(jīng)常性、抽象性或習(xí)慣性的動作。基本結(jié)構(gòu):動名詞短語 + 謂語動詞(單數(shù)) + 其他成分二、動名詞作主語的三大特點(diǎn)特點(diǎn) 說明 例句表示經(jīng)常性活動 強(qiáng)調(diào)習(xí)慣或普遍現(xiàn)象 Smoking causes cancer.表達(dá)抽象概念 不指具體某次動作 Learning a language takes time.謂語用單數(shù) 無論動名詞多長 Reading classic novels improves your writing.三、動名詞主語的四種常用句型1. 直接作主語Getting up early is good for health.Playing chess develops thinking skills.2. It作形式主語當(dāng)主語較長時(shí),用it代替后置:It is useless regretting past mistakes.It makes me happy helping others.3. There is no + 動名詞表示"不可能/禁止做某事":There is no joking about safety rules.There is no parking here.4. 固定諺語句型Seeing is believing. (眼見為實(shí))Reading is to the mind what exercise is to the body.四、動名詞主語 vs 不定式主語對比比較項(xiàng) 動名詞主語 不定式主語側(cè)重 已發(fā)生/經(jīng)常性動作 未發(fā)生/具體動作時(shí)間感 無明確時(shí)間界限 指向未來例句 Swimming keeps you fit. To swim here is dangerous. 記憶口訣:"經(jīng)常習(xí)慣動名詞,具體目的不定式"五、常見錯(cuò)誤及糾正1. 謂語動詞復(fù)數(shù)錯(cuò)誤 Reading books are interesting. Reading books is interesting.2. 誤用不定式 To get up early are good for you. Getting up early is good for you.3. 動名詞邏輯主語缺失 Listening music relaxes me. Listening to music relaxes me.1.________ is bad for your health.A.Staying up B.Stay up C.Staying in2.— Eric, ________ more fruit and vegetables is good for your health.—Yes. After all, an apple a day keeps the doctor ________.A.eating; out B.eat; on C.eat; down D.eating; away3.Doing ________ every day _________ me very healthy.A.sports, makes B.sport, make C.sport, made D.sports, making4.________ morning exercises ________ good for us.A.Do; is B.Doing; are C.Doing; is5.I think ________ with my classmates can improve my English.A.discuss B.discussing C.to discuss D.discussed6._________ stamps together must be fun!A.Collect B.Collects C.Collected D.Collecting7.I think doing eye exercises ________ everyone.A.is good at B.is good forC.a(chǎn)re good at D.a(chǎn)re good for8.________ is not simple at all.A.Fishing B.Fish C.Fishes D.Catch fish9.Eating junk food ________ your health.A.is good for B.is bad for C.a(chǎn)re good for D.a(chǎn)re bad for10._______ exercise every day is good for our health.A.Do B.To doing C.Doing D.We do11.________ books every day ________ fun. It also helps me learn about the world.A.Read; is B.Read; are C.Reading; is D.Reading; are12.At anytime, ________ the truth is the most important thing.A.told B.tell C.tells D.telling13._________ computer games too long is not good for teenagers.A.Play B.To playing C.Playing D.Played14.—Which activity do you find the most relaxing —I think ________ is very relaxing.A.listen to music B.listening to music C.to listen to music D.listened to music15.Drums and pianos are the same in some ways because ________ makes their sounds.A.blowing B.taking C.hitting16.________ apples are good for you.A.Eat B.Eating C.To eating D.Ate17.Listening to tapes ________ help you improve your listening skills.A.did B.do C.does D.done18. a writer for her school newspaper is a dream for Jenny.A.Be; comes true B.Being; came true C.Being; come true19.—Not only I but also my brother ________ good at sports.—That’s good. Doing sports ________ good for our health.A.a(chǎn)re; is B.is; are C.a(chǎn)re; are D.is; is20.________ can help us learn ________ about the world.A.Reading; a lot of B.Read; lots of C.Reading; a lot D.Read; a lot21.________ the salad in the fridge for a while can make it ________ nicer.A.Keeping; taste B.To keep; to taste C.Keeping; tastes D.Keeping; to taste22.Drawing pictures ________ for me.A.a(chǎn)re a great fun B.a(chǎn)re great fun C.does a great fun D.is great fun23.—________ a bike to school is good for your health. —Sure, and it is also good for our environment.A.To riding B.Ride C.For riding D.Riding24._________ gas, oil and coal may cause air pollution.A.Burn B.Burns C.Burning D.Burned25.________ is more than just exercising.A.Dance B.Dancing C.Dancer D.Danced26.________ the train means waiting for another hour.A.Miss B.Missed C.Missing D.To missing27.________ money for travelling is one of the best ________ to spend money.A.Saved; ways B.To save; way C.Saving; ways D.Saving; way28.—Not only I but also my brother ________ interested in playing a game called Black Myth, Wukong.—That’s really interesting. But playing too much ________ bad for our health.A.a(chǎn)re; is B.is; are C.a(chǎn)re; are D.is; is29.________ is good for our health.A.Doing exercise B.Do exercise C.Does exercise D.Did exercise30.—What’s your advice for learning English —________ English songs is a good way.A.Listening B.Listening to C.To listen D.To listen to31.________ time with positive people ________ me stay positive.A.Spending; helps B.Spending; help C.Spend; helps32.Don’t you think ________ a pet ________ much time A.walk;spends B.walking;takes C.walk;costs D.walking;spends33.________ a dog is a good idea at home while children are growing up.A.Feeding B.Feed C.Keeping D.Keep34.Sometimes ________ your mind and body is useful for you. You may become greater.A.challenge B.challenging C.push D.pushing35.I think ________ after supper is good for your health.A.walking B.walkC.walks D.walked36.________ good neighbours makes our life more pleasant. We should get along well with them.A.Have B.Having C.Had D.To having37.________ can help us learn a lot about the world.A.Read B.Reading C.To read38.________ may cause cancer.A.Smoking B.Smoked C.Smoke D.To smoking39.I think ________ exercise every day is good for our health.A.do B.does C.doing40.________ a new machine is very difficult.A.Invent B.Invention C.Inventing D.Invents41.________ is very useful to protect the environment.A.Buying old things B.Making cheap things C.Recycling things D.Using cheap things42.________ the dog play with the ball is very interesting.A.Watches B.Watching C.Watch D.Watched43.________ is my favorite hobby. It can make me ________.A.Listen to music, relaxed B.Listening to music, relaxedC.To listen to music, relaxing D.Listens to music, relaxing44.—Is Yao Ming very strong —Yes. I think so. ________ basketball is good for his health.A.Play B.To play C.Playing D.To playing45.It’s no use ________ too much because they don’t listen carefully at all!A.to talk B.talking C.talk D.told46.________ TV too much will make your eyes very tired.A.Watched B.Watch C.Watching D.Watches47.________ is my favorite outdoor activity.A.Playing soccer B.Play soccer C.Playing the soccer D.Plays soccer48.________ some ways to protect yourself will help to keep you safe in the earthquake.A.Know B.Knowing C.Knows D.Known49.______ can help you stay healthy.A.Do exercise B.Doing exercise C.Do exercises D.Doing exercises50.My mother says ________ a glass of milk every day is good for our health.A.drink B.drunk C.drinks D.drinking51.Doing eye exercises ________ one of the useful ways to protect our eyes.A.is B.a(chǎn)re C.were52.________ is good for our health.A.Eat too much sugar B.Eating too much sugar C.Play sports D.Playing sports53.________ books every day ________ fun. It also helps me learn more about the world.A.Read; is B.Read; are C.Reading; is D.Reading; are54.If you are weak _________ a subject, _________ and asking a teacher for advice are helpful.A.a(chǎn)t; to work hard B.in; working hard C.a(chǎn)t; work at D.in; work hard55.________ can help us learn ________ about the world.A.Reading; a lot of B.Read; lots of C.Read; a lot D.Reading; a lot56.________ vegetables and fruit ________ good for us.A.Eat; is B.Eating; are C.Has; is D.Eating; is57.________ a writer for her school newspaper is a dream ________ for Jenny.A.Be; comes true B.Being; came true C.Be; coming true D.Being; come true58._________ for help in a polite way is very important when you need it.A.Ask B.Asking C.To asking D.Asked/ 讓學(xué)習(xí)更有效 新課備課備考 | 英語學(xué)科/ 讓學(xué)習(xí)更有效 新課備課備考 | 英語學(xué)科試卷第1頁,共3頁21世紀(jì)教育網(wǎng)(www.21cnjy.com)參考答案及試題解析1.A【解析】句意:熬夜對你的身體不好。考查非謂語動詞。動詞作句子主語時(shí),需用doing或to do。stay up熬夜;stay in待在家。根據(jù)“is bad for your health.”可知應(yīng)該是熬夜。故選A。2.D【解析】句意:——埃里克,多吃水果和蔬菜對你的健康有好處。——是的。畢竟,一天一蘋果,醫(yī)生遠(yuǎn)離我。考查非謂語動詞和固定短語。第一空:分析句子結(jié)構(gòu)可知,此處缺少主語,動詞原形不能作主語,動名詞可以作主語,所以第一空應(yīng)填“eating”;第二空:固定短語keep...away表示“使……遠(yuǎn)離”,keep...out表示“阻止……進(jìn)入”。根據(jù)“an apple a day keeps the doctor...”可知,此處表達(dá)的是“醫(yī)生遠(yuǎn)離”,應(yīng)用away。故選D。3.A【解析】句意:每天做運(yùn)動使我非常健康。考查動詞短語和時(shí)態(tài)。do sports做運(yùn)動;do sport無此用法。根據(jù)“Doing…every day…me very healthy.”可知,本題考查短語“做運(yùn)動”do sports;“使某人……”make sb+adj;“Doing sports”是動名詞短語,在句中作主語,謂語動詞需用單數(shù)形式。根據(jù)“every day”可知,本句的時(shí)態(tài)是一般現(xiàn)在時(shí),make的單數(shù)形式是makes。故選A。4.C【解析】句意:做早操對我們有好處。考查非謂語動詞和主謂一致。根據(jù)“...morning exercises...good for us.”及選項(xiàng)可知,do morning exercises意為“做早操”,在本句中作主語,應(yīng)該用動名詞形式;動名詞作主語,系動詞應(yīng)該用第三人稱單數(shù)。故選C。5.B【解析】句意:我認(rèn)為和我的同學(xué)們討論可以提高我的英語水平。考查非謂語形式。根據(jù)“I think ... with my classmates can improve my English.”可知,本句是賓語從句,從句缺少主語,因此用動名詞作主語,即用discussing。故選B。6.D【解析】句意:一起集郵一定很有趣!考查非謂語。空處作句子主語,應(yīng)用名詞或動名詞形式,故選D。7.B【解析】句意:我認(rèn)為做眼保健操對每個(gè)人都有好處。考查形容詞短語和動名詞作主語。be good at擅長;be good for對……有好處。根據(jù)句意可知,做眼保健操對每個(gè)人都有好處,排除A、C選項(xiàng)。動名詞短語“doing eye exercises”作主語,用作第三人稱單數(shù),be動詞用is。故選B。8.A【解析】句意:釣魚一點(diǎn)也不簡單。考查非謂語動詞。分析句子結(jié)構(gòu)可知,此空在句中作主語,應(yīng)填動名詞,故選A。9.B【解析】句意:吃垃圾食品對你的健康有害。考查形容詞辨析和主謂一致。good好的;bad壞的。根據(jù)“junk food”可知垃圾食品對健康是不好的,排除AC選項(xiàng);主語是動名詞短語,謂語動詞用單數(shù),故選B。10.C【解析】句意:每天做運(yùn)動對我們的健康有好處。考查非謂語。空處作主語,且句中有動詞“is”,此處應(yīng)用動名詞形式,故選C。11.C【解析】句意:每天讀書是很有趣的。它也幫助我了解世界。考查動名詞和主謂一致。Read閱讀,動詞原形;is是,主語為第三人稱單數(shù);Reading閱讀,動名詞;are是,主語為you或復(fù)數(shù)名詞。分析句子結(jié)構(gòu)可知,第一空要填動名詞作主語,用作第三人稱單數(shù),所以第二空要填“is”。故選C。12.D【解析】句意:在任何時(shí)候,說實(shí)話是最重要的。考查非謂語動詞。分析句子結(jié)構(gòu),“is”前面缺少主語,所以空格在句中作的是主語,故用動名詞作主語,故選D。13.C【解析】句意:玩電腦游戲太久對青少年不好。考查動名詞作主語。根據(jù)句子結(jié)構(gòu)可知,應(yīng)用動名詞 “Playing” 作主語。故選C。14.B【解析】句意:——你覺得哪種活動最放松?——我認(rèn)為聽音樂很放松。考查動名詞作主語。listen to music“聽音樂”,動詞短語;再根據(jù)“I think ... is very relaxing.”可知,此處是作主語,應(yīng)用動名詞。故選B。15.C【解析】句意:鼓和鋼琴在某些方面是相同的,因?yàn)閾舸驎l(fā)出聲音。考查名詞辨析。blowing吹;taking帶走;hitting擊打。根據(jù)“Drums and pianos are the same in some ways because … makes their sounds”可知,鼓和鋼琴通過擊打都會發(fā)出聲音,故選C。16.B【解析】句意:吃蘋果對你有好處。考查非謂語動詞作主語。此處需用動名詞(-ing形式)作主語,表示泛指的行為。故選B。17.C【解析】句意:聽磁帶確實(shí)有助于提高你的聽力技能。考查助動詞。強(qiáng)調(diào)謂語動詞時(shí)應(yīng)在動詞的前面加助動詞,句子陳述事實(shí),應(yīng)用一般現(xiàn)在時(shí);且動名詞短語Listening to tapes作主語,謂語動詞用單數(shù)形式。故選C。18.C【解析】句意:珍妮想成為校報(bào)的一名作者終于夢想成真了。考查非謂語動詞。分析句子結(jié)構(gòu),第一空作主語,應(yīng)用不定式或動名詞,排除A選項(xiàng);第二空是短語“a dream come true”表示“夢想成真”,動作已完成,應(yīng)用過去分詞作定語,故選C。19.D【解析】句意:——不僅我而且我哥哥都擅長運(yùn)動。——那很好。做運(yùn)動對我們的健康有好處。考查主謂一致。not only...but also“不僅……而且……”,連接并列主語時(shí),遵循“就近原則”,靠近的be的主語“my brother”為單數(shù),be動詞應(yīng)用is;根據(jù)“Doing sports ... good for our health.”可知,動名詞作主語,謂語動詞用單數(shù)。故選D。20.C【解析】句意:閱讀可以幫助我們了解很多關(guān)于這個(gè)世界的知識。考查非謂語動詞以及副詞短語。a lot of=lots of很多,后加名詞;a lot很多,修飾動詞。第一個(gè)空作主語用動名詞,排除BD;此處修飾動詞learn用副詞短語a lot。故選C。21.A【解析】句意:把沙拉在冰箱里放一會兒可以使它嘗起來更美味。考查非謂語。此句缺少主語,應(yīng)該用動名詞作主語;make sth/sb do sth是固定搭配,意為“使某物/人做某事”,第二空填動詞原形。故選A。22.D【解析】句意:畫畫對我來說很有趣。考查主謂一致。動名詞作主語,謂語動詞用單數(shù)形式,fun“樂趣”為不可數(shù)名詞,與be動詞連用時(shí)表示某事是有趣的,前面不加不定冠詞。故選D。23.D【解析】句意:——騎自行車去上學(xué)對你的健康有好處。——當(dāng)然,而且它也對我們的環(huán)境有好處。考查非謂語動詞。根據(jù)“... a bike to school is good for your health.”可知用動名詞短語作主語。故選D。24.C【解析】句意:燃燒天然氣、石油和煤可能造成空氣污染。考查動詞不定式。此處在句中作主語,用動名詞形式,故選C。25.B【解析】句意:跳舞不僅僅是鍛煉身體。考查非謂語動詞。此處缺少主語,應(yīng)用動名詞作主語,故用dancing。故選B。26.C【解析】句意:錯(cuò)過這趟火車意味著再等一個(gè)小時(shí)。考查非謂語動詞。根據(jù)“means”可知此處應(yīng)用動名詞作主語。故選C。27.C【解析】句意:為了旅游積攢些錢是最好的花錢方式之一。考查非謂語動詞和固定短語。第一個(gè)設(shè)空處缺主語,應(yīng)該填動名詞Saving;根據(jù)“one of the best…to spend money.”可知,該句考查“one of+the+最高級+名詞復(fù)數(shù)”的用法,因此第二空填名詞復(fù)數(shù)ways,故選C。28.D【解析】句意:——不僅我而且我弟弟也對玩一個(gè)叫《黑神話悟空》的游戲感興趣。——那真的很有趣。但是玩得太多對我們的健康有害。考查主謂一致。not only ... but also連接的并列主語,謂語動詞的數(shù)應(yīng)遵循“就近原則”,空一處就近的主語是三單my brother,be用is;根據(jù)“But playing too much”可知,空二處是動名詞作主語,謂語動詞也用三單。故選D。29.A【解析】句意:做運(yùn)動有益于我們的健康。考查動名詞作主語。Doing exercise做運(yùn)動,動名詞;Do exercise做運(yùn)動,動詞原形;Does exercise做運(yùn)動,動詞三單;Did exercise做運(yùn)動,過去式。根據(jù)“...is good for our health.”可知本句缺少主語,動名詞可作主語。故選A。30.B【解析】句意:——你對學(xué)習(xí)英語有什么建議?——聽英語歌曲是一個(gè)好方法。考查動名詞。listen to songs“聽歌”,此處需用動名詞作主語,故選B。31.A【解析】句意:與積極的人共度時(shí)光幫助我保持積極。考查動名詞作主語和主謂一致。句中缺少主語,動名詞“Spending”作主語,謂語用單數(shù)“helps”。故選A。32.B【解析】句意:你不覺得遛寵物花太多時(shí)間了嗎?考查動名詞短語作主語和動詞辨析。walk遛(狗),動詞原形;walking遛(狗),動名詞;spends花費(fèi)(時(shí)間或金錢),主語是人;takes花費(fèi)(時(shí)間),主語是物;costs花費(fèi)(金錢)。分析句子結(jié)構(gòu),可知動詞think后接省略引導(dǎo)詞that的賓語從句,從句主語應(yīng)用動詞walk的動名詞walking充當(dāng);根據(jù)“much time”可知此處表示“花費(fèi)時(shí)間”,從句主語是物,應(yīng)用動詞take來表示。故選B。33.C【解析】句意:孩子在成長中,家里養(yǎng)寵物狗是個(gè)好主意。考查非謂語動詞和動詞辨析。feed喂養(yǎng);keep飼養(yǎng)。根據(jù)“a dog is a good idea”可知,此處指飼養(yǎng)狗,keep a dog “飼養(yǎng)狗”,此處作主語用動名詞keeping。故選C。34.B【解析】句意:有時(shí)挑戰(zhàn)你的身心對你是有用的。你可能會變得更強(qiáng)大。考查動詞辨析和動名詞。challenge 挑戰(zhàn);challenging 具有挑戰(zhàn)性的,挑戰(zhàn)的;push 推,推動;pushing 推,推進(jìn)。根據(jù)“Sometimes”可知,此處需要一個(gè)動名詞作主語,動詞原形不能作主語,需要動名詞,結(jié)合“your mind and body”可知,此處指挑戰(zhàn)你的身心,challenge符合語境。故選B。35.A【解析】句意:我認(rèn)為晚飯后散步有利于你的健康。考查動名詞作主語。分析句子結(jié)構(gòu)可知,句子為含賓語從句的復(fù)合句;根據(jù)“after supper is good for your health”可知,從句缺少主語,應(yīng)用動名詞walking作主語。故選A。36.B【解析】句意:擁有好鄰居讓我們的生活更加愉快。我們應(yīng)該和他們友好相處。考查動名詞作主語。根據(jù)“...good neighbours makes our life more pleasant”可知,此處用動名詞作主語。故選B。37.B【解析】句意:閱讀可以幫助我們了解這個(gè)世界。考查動名詞用法。根據(jù)“...can help us learn a lot about the world.”可知,此處應(yīng)用動名詞Reading作主語,表示習(xí)慣性或一般性的動作。故選B。38.A【解析】句意:吸煙可能引起癌癥。考查非謂語動詞。情態(tài)動詞may前應(yīng)是主語,smoke是動詞,應(yīng)用動名詞作主語。故選A。39.C【解析】句意:我認(rèn)為每天進(jìn)行鍛煉對我們的健康有好處。考查非謂語動詞。根據(jù)“I think ... exercise every day is good for our health.”可知,空格處在賓語從句中作主語,需使用動名詞;do的動名詞是doing;do exercise鍛煉,做運(yùn)動。故選C。40.C【解析】句意:發(fā)明一臺新機(jī)器是非常困難的。考查非謂語動詞。根據(jù)be動詞is可知,此處是作主語,應(yīng)用invent的動名詞形式inventing,故選C。41.C【解析】句意:回收再利用對保護(hù)環(huán)境非常有用。考查詞義辨析。Buying old things購買舊東西; Making cheap things購買舊東西;Recycling things回收再利用;Using cheap things使用便宜的東西。根據(jù)“very useful to protect the environment”可知是,回收再利用東西。故選C。42.B【解析】句意:看狗玩球很有趣。考查非謂語動詞。根據(jù)“is”可知,句中已有謂語,且句子缺少主語,結(jié)合選項(xiàng)可知,此處應(yīng)用動名詞作主語。故選B。43.B【解析】句意:聽音樂是我最喜歡的愛好。它可以讓我放松。考查非謂語動詞和形容詞辨析。分析句子可知第一空缺主語,要用動名詞,或動詞不定式;表示“人放松”要用ed結(jié)尾形容詞,ing結(jié)尾形容詞常用于修飾“物”的性質(zhì),故選B。44.C【解析】句意:——姚明很強(qiáng)壯嗎? ——是的。我認(rèn)為是這樣。打籃球?qū)λ慕】涤幸妗?br/>考查非謂語。謂語動詞為is,因此動名詞做主語。用 playing football,故選C。45.B【解析】句意:說太多也沒用,因?yàn)樗麄兏揪筒徽J(rèn)真聽!考查非謂語動詞。It’s no use doing sth“做某事沒用”,故選B。46.C【解析】句意:看電視太多會使你的眼睛很疲勞。考查動名詞的用法。Watched動詞過去式/過去分詞形式;Watch動詞原形;Watching動名詞形式/現(xiàn)在分詞形式;Watches動詞的單數(shù)第三人稱形式。根據(jù)句子結(jié)構(gòu)可知,空格處是句子的主語,四個(gè)選項(xiàng)中只有動名詞可以做主語。故選C。47.A【解析】句意:踢足球是我最喜歡的戶外活動。考查動詞短語和非謂語動詞。play soccer踢足球,此處作主語,用動名詞短語,故選A。48.B【解析】句意:知道一些保護(hù)自己的方法會幫助你在地震中保持安全。考查非謂語。空處作主語,應(yīng)用動名詞短語,故選B。49.B【解析】句意:做運(yùn)動可以幫助你保持健康。考查非謂語動詞。do exercise做運(yùn)動,動詞短語;do exercises表達(dá)錯(cuò)誤。此處缺少主語,應(yīng)用動名詞作主語。故選B。50.D【解析】句意:我媽媽說每天喝一杯牛奶對我們的健康有好處。考查非謂語動詞。該句為賓語從句,從句缺主語,故應(yīng)用動名詞短語作主語,故選D。51.A【解析】句意:做眼保健操是保護(hù)眼睛的有效方法之一。考查be動詞。此處是動名詞短語“Doing eye exercises”作主語,因此動詞用單數(shù);且此處表示客觀事實(shí),為一般現(xiàn)在時(shí),因此用is。故選A。52.D【解析】句意:運(yùn)動對我們的健康有益。考查動名詞作主語。分析句子結(jié)構(gòu)可知,這里需用動名詞短語作主語,排除A/C;選項(xiàng)B是吃太多糖,這對身體沒有好處;D項(xiàng)最符合題意。故選D。53.C【解析】句意:每天讀書是很有趣的。它也幫助我更多地了解這個(gè)世界。考查動名詞和主謂一致。Read閱讀,動詞原形;is是,主語為第三人稱單數(shù);Reading閱讀,動名詞;are是,主語為you或復(fù)數(shù)名詞。分析句子結(jié)構(gòu)可知,第一空要填動名詞作主語,用作第三人稱單數(shù),所以第二空要填“is”。故選C。54.B【解析】句意:如果你在一個(gè)科目上很弱,努力學(xué)習(xí)并向老師尋求建議是有幫助的。考查介詞和非謂語動詞。根據(jù)空前“ are weak...”可知,這里用到短語be weak in“在某方面弱的”,所以用in;第二個(gè)空和and后“asking a teacher for advice”作并列主語,所以是working hard。故選B。55.D【解析】句意:閱讀能幫我們了解很多有關(guān)世界的情況。考查動名詞作主語和詞匯辨析。句子中已有謂語動詞“can help”,第一空需要一個(gè)非謂語動詞作主語,所以排除B、C選項(xiàng)。a lot of/lots of表示“許多”,兩者都修飾名詞,a lot很,非常,副詞或作代詞,表示很多,由learn可知,空處需用代詞作賓語,learn a lot 意為“了解很多”。故選D。56.D【解析】句意:吃蔬菜和水果對我們有好處。考查動名詞作主語及主謂一致。根據(jù)“...vegetables and fruit...good for us.”可知,“...vegetables and fruit”作句子的主語,第一空應(yīng)用動名詞形式eating,因此排除選項(xiàng)A和C;單個(gè)動名詞作主語時(shí),謂語動詞應(yīng)用第三人稱單數(shù)形式,所以第二空應(yīng)是is。故選D。57.D【解析】句意:珍妮想成為校報(bào)的一名作者終于夢想成真了。考查非謂語。分析句子結(jié)構(gòu),第一空作主語,應(yīng)用不定式或動名詞,排除A/C選項(xiàng);第二空是短語a dream come true“夢想成真”,動作已完成,應(yīng)用過去分詞作定語,故選D。58.B【解析】句意:當(dāng)你需要幫助時(shí),禮貌地尋求幫助是非常重要的。考查動名詞作主語。通過分析句子成分,根據(jù)“… for help in a polite way” 可知,其在句中作主語,故此空應(yīng)該用ask的動名詞asking。故選B。21世紀(jì)教育網(wǎng)(www.21cnjy.com)21世紀(jì)教育網(wǎng)(www.21cnjy.com) 展開更多...... 收起↑ 資源預(yù)覽 縮略圖、資源來源于二一教育資源庫