資源簡介 / 讓學習更有效 新課備課備考 | 英語學科/ 讓學習更有效 新課備課備考 | 英語學科2025年牛津譯林版九年級英語上冊精講精練Unit 1 Know yourself核心語法:動詞不定式作主語和表語一、動詞不定式的基本概念動詞不定式(Infinitive)是動詞的一種非謂語形式,由"to + 動詞原形"構成(如to study, to play)。二、動詞不定式作主語1. 基本用法當動詞不定式作主語時,表示一個動作或狀態,通常表示抽象或泛指的概念。結構:To + 動詞原形 + 謂語(單數) + 其他例句:To learn English well is important.(學好英語很重要)To help others makes us happy.(幫助他人使我們快樂)2. 常用句型為避免句子頭重腳輕,常用it作形式主語,將不定式后置:結構:It is + 形容詞/名詞 + to do sth例句:It is important to learn English well.It is our duty to protect the environment.(保護環境是我們的責任)常用形容詞:important, necessary, easy, difficult, possible, impossible等三、動詞不定式作表語1. 基本用法動詞不定式作表語時,用來說明主語的內容或目的。結構:主語 + be動詞 + to do sth例句:My dream is to become a doctor.(我的夢想是成為一名醫生)The most important thing is to be honest.(最重要的是誠實)2. 特殊用法當主語是what引導的從句或不定式時,表語也用不定式:例句:What I want is to have a good rest.(我想要的是好好休息)To see is to believe.(眼見為實)四、注意事項1、謂語動詞用單數: To read books are interesting. To read books is interesting.2、不定式的否定形式:not to do sthIt's important not to be late.(不遲到很重要)3、不定式的邏輯主語:可用"for sb"引出It's difficult for me to solve this problem.(對我來說解決這個問題很難)1.It’s not easy ________ us ________ others because we all have different lifestyles and ideas.A.for; to understand B.of; to understandC.for; understand D.of; understanding2.It takes him 3 hours ________ the book.A.read B.to read C.reading D.reads3.It isn’t easy for us _________ English well.A.learn B.learns C.to learn D.learning4.It’s time ________ lunch. Let’s go to the dining hall.A.have B.having C.for have D.to have5.—It’s really exciting ________ snowball fights on snowy days.—Sure. Playing with snow often makes me ________ excited.A.to have; to feel B.have; feel C.to have; feel D.having; to feel6.________ important ________ us to exercise our brains.A.That’s; for B.It’s; for C.That’s; of D.It’s; of7.My work is ________ the room every day.A.to clean B.to cleaning C.clean8.At first, it’s hard ________ physics well.A.learn B.learns C.learned D.to learn9.—Mario, your mobile phone is ringing.—Wait a minute. It's dangerous for us ______ it while crossing the street.A.answering B.to answer C.answer D.answered10.It took us two hours and a half ________ to Hainan Island.A.fly B.to fly C.flying D.flies11.It takes him one hour ________ his homework every day.A.do B.to do C.does D.doing12.It’s important for us ________ hard in order to have a better life.A.worked B.working C.work D.to work13.—Mario, your mobile phone is ringing.—Wait a minute. It’s not safe ________ it while crossing the street.A.answer B.to answer C.answered D.answering14.I don’t think it’s difficult ________ English well.A.learn B.learning C.to learn D.learned15.It’s very convenient(便利的) for us ________ train tickets now because we can buy them either from the station or on the Internet.A.to buy B.of buying C.buying D.for buying16.If you are ill, it’s necessary _________ you ________ the doctor’s advice.A.for; take B.for; to take C.to; take D.of; taking17.It’s our duty ________ our hometown clean and beautiful. We must do something for it.A.keeping B.keeps C.to keep18.________ takes her two hours ________ football every day.A.It; to play B.That; to play C.It; playing D.This; playing19.It’s necessary for us ________ hard.A.studying B.for studying C.to study20.My mum’s job is ________ children Maths.A.teach B.to teach C.teaches D.taught21.It takes them about half an hour ________ to school every day.A.to get B.get C.gets D.getting22.It takes me 15 minutes ________ to school.A.ride B.riding C.rides D.to ride23.—Dear, put the knives out of the kids’ reach!—OK. I’ll do it right away. It’s quite necessary ________ safe.A.keep B.to keep C.keeping D.keeps24.He seemed __________ what had happened.A.to know B.knows C.know D.know in25.—Dad, I think it’s better ________ a bus to school than to drive a car.—OK! But you’d better ________ up as the bus is coming soon.A.take; hurry B.take; to hurry C.to take; hurry D.to take; to hurry26.It feels relaxing ________ to some soft music after a day’s work.A.listen B.to listen C.listening27.It’s important _______ me _______ maths.A.of; to learn B.of; learning C.for; learning D.for; to learn28.It's necessary for us English well.A.to learn B.learning C.learn29.I think ________ useful for students ________ English books often.A.it; read B.it’s; to read C.that it; to read D.it’s; read30.It’s not easy for me ________ a car on such bad days.A.driving B.to driveC.drives D.will drive31.It’s impossible for us ________ there on foot in two hours.A.to get B.get C.getting D.got32.—Is it possible for us _______ the math problem without others’ help —Yes, it is.A.solve B.to solve C.solving D.solved33.It takes me half an hour _________ my homework every day.A.do B.does C.doing D.to do34.Our job is ________ the children.A.look after B.looks after C.to look after D.looked after35.________ takes her ten minutes ________ there.A.It;to get B.Its;to get to C.It;to get to D.Its;to get36.________ is difficult for me ________ goodbye to my classmates.A.It;to say B.It;saying C.That;to say D.That;saying37.It’s very kind ________ you ________ help Baby Monkey.A.for; to B.of; / C.for; / D.of; to38.It’s dangerous for children ________ alone. They should go with their parents.A.swim B.to swim C.swimming D.swims39.—Is it easy for you ________ your way in a new town or city —Yes, it is.A.to find B.finding C.finds D.find40.—What should I do when the earthquake happens, Dad —First of all, it’s important to calm down and _______ yourself in the corner of the room.A.hide B.hid C.hiding D.to hid41.As students, it’s very important ________ us ________ the school rules.A.to; for obey B.for; to obey C.for; obeying D.of; to obey42.It’s important for us ________ hard in order to have a better life.A.work B.to work C.working D.works43.—I think it’s ________ for us ________ English every day.—I agree with you. It’s a good idea.A.difficult; to read B.important; to readC.difficult; reading D.important; reading44.It is great fun _______ with friends at weekends.A.to shop B.shop C.shopping D.shops45.It usually takes me two hours ________ my homework every night.A.do B.doing C.to do D.does46.It’s possible __________ all these by the end of May. I will try my best.A.finish B.to finish C.finishing D.finished47.It’s important for us ________ hard in order to have a better life.A.work B.to work C.working48.It takes Carol about twenty minutes _______ to school by bus.A.get B.gets C.to get D.getting49.It takes me about 15 minutes ________ there.A.walk B.to walk C.walk to D.to walk to50.________ very dangerous ________ children ________ in the street.A.It’s; for; play B.It’s; of; play C.It’s; for; to play D.That’s; for; to play51.It is important ________.A.is polite B.to be politely C.is politely D.to be polite52.—_________ important for him _________ a walk after dinner —Yes, he needs to do more exercise to keep fit.A.Is it; to take B.Is that; to take C.Is that; taking D.Is it; taking53.It’s good for us _______ sunglasses in summer.A.to put on B.to wear C.with D.in54.It’s bad _______ your eyes _________ books in the sun.A.for; to look at B.to; seeing C.for; to read D.to; to read55.If you want to lose weight, it’s necessary for you ________ fat, oil and sugar.A.avoid B.avoiding C.to avoid D.to be avoided56.It took them half a day ________ trees ________ Tree Planting Day this year.A.to plant; in B.planting; on C.to plant; on D.planting; in57.It’s fun ________ computer games. They have fun ________ them every day.A.to play; to play B.playing; playing C.to play; playing D.playing; to play58.It’s interesting ________ stamps (郵票). Do you like it A.to collect B.collect C.collecting D.collects59.It took me lots of time ________ a big meal for ten people.A.prepare B.to prepare C.preparing D.prepared60.It’s boring _________ at home on weekends.A.stay B.stays C.staying D.to stay61.It’s the most important __________ me __________happy.A.for; to be B.to; to be C.for; for D.to; for be62.It’s necessary for students ________ school uniforms at school during weekdays.A.to dress B.put on C.dress in D.to wear63.—Is it helpful ________ us ________ about some foreign customs —Yes, it is. We should pay attention to them before we travel abroad.A.of; learning B.for; learningC.of; to learn D.for; to learn64.—People can find ________ useful information on the Internet.—Yes. It’s important ________ to use computers.A.a large amount of; learningB.a large amount of; to learnC.a large number of; to learnD.a large number of; learning65.It’s healthy ________ more vegetables.A.of us to eat B.of us eat C.for us to eat D.for us eat66.It is not enough _________ English in class. You should read more in your spare time.A.say B.to read C.to reading D.speak67.— It’s the best time ________ in summer.— You’re right. But don’t go ________ alone.A.to swim; to swim B.swimming; swimming C.to swim; swimming68.The purpose of the club is ________.A.have fun B.having fun C.to have fun D.had fun69.The worker’s duty is _________ those animals.A.protect B.to protect C.protected D.will protect/ 讓學習更有效 新課備課備考 | 英語學科/ 讓學習更有效 新課備課備考 | 英語學科21世紀教育網(www.21cnjy.com)21世紀教育網(www.21cnjy.com)參考答案及試題解析1.A【解析】句意:我們不總是很容易地就能理解他人,因為我們都有不同的生活方式和想法。考查固定句型。It is+形容詞+for/of sb.+to do sth. 意為“做某事對于某人來說是……”,用介詞for時,前面的形容詞修飾事物;用介詞of時,形容詞修飾人,表示人的性格特征。此處的“easy”指的是理解他人這件事情,應使用介詞for,排除選項B、D。第二空是動詞不定式作主語,應使用to understand。故選A。2.B【解析】句意:讀這本書花費了他3個小時。考查非謂語動詞。read讀,閱讀,是一個動詞。根據句子結構可知,這句話中使用的句型是It takes sb. +一段時間+to do sth.“花費某人一段時間做某事”,因此這里應用動詞不定式。故選B。3.C【解析】句意:對我們來說學好英語是不容易的。考查固定句型。固定句型It’s adj for sb to do sth表示“做某事對某人是……的”,不定式作真正的主語,it作形式主語。故選C。4.D【解析】句意:到吃午飯的時間了。我們去餐廳吧。考查不定式。have吃,動詞原形;having吃,動名詞;for have吃;to have吃,to do不定式。根據“It’s time...lunch.”并結合選項可知為“It’s time to do”,意為“到做某事的時間了”,it為形式主語,to do為真正的主語。故選D。5.C【解析】句意:——在下雪天打雪仗真的很令人興奮。——當然。玩雪經常使我感到很快樂。考查非謂語動詞。根據句式結構可知,第一句句式結構為“It is+adj.(+for sb.)+to do sth.”,應用動詞不定式作主語。根據第二個空前“make”可知,該結構為“make+sb.+do sth.”,所以第二個空應用動詞原形。故選C。6.B【解析】句意:我們鍛煉大腦是非常重要的。考查it的用法。根據句意并結合句子結構可知,此處為“It’s+adj.+for/of sb.+to do sth.”結構;如果句子中的形容詞說的是后面sb.的性格、品德、特點等,就用介詞of:如果不是,就用介詞for;important不是形容性格等,所以此處應用介詞for。故選B。7.A【解析】句意:我的工作是每天打掃房間。考查非謂語動詞。此處應用動詞不定式,說明主語的具體內容,作表語。故選A。8.D【解析】句意:起初,很難學好物理。考查非謂語動詞。根據“At first, it’s hard ... physics well.”可知,it is adj. to do sth.“做某事是……的”,不定式作主語。故選D。9.B【解析】句意:——馬里奧,你的手機響了。-——等一下。在穿過馬路時接電話是危險的。考查非謂語動詞。句子是固定句型“it's+adj +for sb to do sth”意為“做某事對某人來說是……”;可知此處填不定式;故選B。10.B【解析】句意:我們花了兩個半小時飛到海南島。考查非謂語動詞。It takes sb. some time to do sth.“做某事花費某人一些時間”,為固定句型,故選B。11.B【解析】句意:他每天花一個小時做作業。考查非謂語動詞。It takes sb. some time to do sth“花費某人時間做某事”,用it作形式主語,將真正的主語用帶to的不定式跟在后面,故選B。12.D【解析】句意:對于我們來說,為了有一個更好的生活而努力學習是重要的。考查動詞不定式的用法。分析句子可知,句子結構為it is+adj.+for sb.+to do sth.“對于某人來說做某事是怎樣的”,it為形式主語,動詞不定式作真正的主語,故選D。13.B【解析】句意:——馬里奧,你的手機響了。——等一下。過馬路時接電話不安全。考查非謂語動詞。根據“It’s not safe...it while crossing the street.”可知,句中“It is+adj.+to do sth.”是固定句型,其中it是形式主語,真正的主語是后面的動詞不定式“to do sth.”,表示“做某事是……的”。此處應該用動詞不定式“to answer”。故填B。14.C【解析】句意:我認為學好英語并不難。考查非謂語動詞。此處是it作形式主語,動詞不定式作真正主語的結構。故選C。15.A【解析】句意:現在我們買火車票很方便,因為我們既可以在車站買,也可以在網上買。考查非謂語動詞。buy買,根據固定句型“It’s +形容詞+ for sb to do sth”意為“對某人說做某事是……的”可知,應該用動詞不定式形式,故選A。16.B【解析】句意:如果你生病了,接受醫生的建議是必要的。考查介詞辨析和非謂語動詞。for對于;to到;of關于;take接受,動詞原形;to take動詞不定式形式;taking動名詞形式。根據“it’s necessary...you...the doctor’s advice.”可知,此處是“It’s+adj.+for sb. to do sth.”句型,意為“對某人來說做某事是……的”,故介詞用for,It作形式主語,動詞不定式作真正的主語。故選B。17.C【解析】句意:保持我們的家鄉干凈美麗是我們的責任。我們必須為它做點什么。考查It固定句型。“It’s one’s duty to do sth.”意為“做某事是某人的職責”,其中it是形式主語,后面的動詞不定式短語是真正的主語。故選C。18.A【解析】句意:她每天踢足球要花兩個小時。考查take表示花費的句型。It takes sb. some time to do sth. 做某事花費某人……(時間),因此第一空填It,第二空用不定式to play。故選A。19.C【解析】句意:我們有必要努力學習。考查It固定句型。此處是固定句型:It’s +adj.+for sb. to do sth.,意為“做某事對某人來說是怎樣的”,It是形式主語,不定式是真正主語,故選C。20.B【解析】句意:我媽媽的工作是教孩子們數學。考查非謂語動詞。one’s job is to do sth.“某人的工作是做……”,因此設空處填不定式。故選B。21.A【解析】句意:他們每天花大約半小時到學校。考查非謂語動詞。固定句式;it takes sb some time to do sth“花費時間做某事”,動詞不定式作主語,it作形式主語,故選A。22.D【解析】句意:我騎車去學校要花15分鐘。考查非謂語動詞。根據“It takes me 15 minutes...to school.”可知,此句為“It takes sb.+時間+to do sth.”句型,表示“花費某人多少時間做某事”,動詞不定式作主語。故選D。23.B【解析】句意:——親愛的,把刀放在孩子們夠不著的地方!——好的。我馬上就做。這對于保持安全是十分必要的。考查非謂語動詞。此句為“It’s+形容詞+to do sth.”結構,空處填動詞不定式。keep的不定式為to keep。故選B。24.A【解析】句意:看起來他知道發生了什么。seem后面跟動詞時,應用動詞不定式,句子空處用to know。故選A。25.C【解析】句意:——爸爸,我覺得乘公交上學比開車更好。——好的!但公交車快來了,你最好趕快。考查非謂語動詞。it is+形容詞+to do sth“做某事是……的”,第一個空填take的不定式to take;had better do sth“最好做某事”,第二個空填動詞原形hurry。故選C。26.B【解析】句意:在一天的工作之后聽一些柔和的音樂感覺非常放松。考查不定式用法。本句是it feels+形容詞+to do句型,意為“做某事是感覺很……的”,此處的it是形式主語,真正的主語是后面的不定式。故選B。27.D【解析】句意:對我來說,學習數學非常重要。考查動詞不定式作主語和介詞辨析。“It’s+形容詞+of sb”的結構表示某人的品質或性格;“It’s+形容詞+for sb”的結構表示某事對某人的影響。這里it是形式主語,不定式是真正主語。結合語境,是學習數學這件事對人的影響,用介詞for。故選D。28.A【解析】句意:學好英語對我們來說很有必要。考查動詞不定式。to learn動詞不定式;learning動名詞;learn動詞原形。此處是“it be+形容詞for sb. to do”的結構。it是形式主語,真正的主語是后面的動作“學好英語”用動詞不定式to learn。故選A。29.B【解析】句意:我認為學生經常讀英語書很有用。考查非謂語動詞。本句是“It’s +adj.+for sb+to do sth”意為“做某事對某人來說是……”句式,所以,空格1填it’s,空格2填不定式。故選B。30.B【解析】句意:對我來說,在如此差的天氣里開車不容易。考查非謂語動詞。本句是固定句型:It’s+adj.+for sb. to do sth.意為“對某人來說做某事是……的”,空處應填動詞不定式作主語。故選B。31.A【解析】句意:我們不可能在兩小時內步行到那里。考查非謂語動詞。It + be + adj. (+ for sb.) + to do sth.為固定句型,意為“對于某人來說做某事是怎么樣的”,其中it為形式主語,不定式結構為真正的主語,故選A。32.B【解析】句意:——對于我們來說,沒有別人的幫助,解決這道數學題,可能嗎?——是的,有可能。考查固定搭配。it is possible for sb. to do sth“對某人來說,做某事是可能的”。所以此處應是to solve。故選B。33.D【解析】句意:我每天花半小時做作業。考查非謂語動詞。根據句型It takes sb some time to do sth“做某事花費某人時間”可知,it是形式主語,to do sth是真正主語。故選D。34.C【解析】句意:我們的工作是照看孩子們。考查非謂語動詞。此空在句中作表語,應填動詞不定式,故選C。35.A【解析】句意:她花了十分鐘才到那兒。考查固定句型。It takes sb. some time to do sth.為固定句型,意為“做某事花費某人……時間”,其中it為形式主語,動詞不定式為真正的主語,故選A。36.A【解析】句意:對我來說和同學們說再見是很困難的。考查it作形式主語。動詞不定式作主語時,為避免“頭重腳輕”常用it作形式主語,而把真正主語動詞不定式放在后面,故選A。37.D【解析】句意:你能幫助猴子寶寶真是太好了。考查介詞辨析。本句“It’s kind of sb. to do sth.”是固定表達,意為“做某事的某人太善良了”,故選D。38.B【解析】句意:孩子們獨自游泳是危險的。他們應該和父母一起去。考查非謂語動詞。swim游泳,動詞原形;to swim動詞不定式;swimming動名詞或現在分詞;swims動詞的三單形式。根據“It’s dangerous for children...alone”可知,此處為句型:it is+形容詞+for sb. to do sth.“對某人來說做某事是……的”,此處為動詞不定式作句子真正的主語,it用作形式主語。故選B。39.A【解析】句意:——你在一個新的城鎮或城市里容易找到路嗎 ——是的。考查動詞不定式。to find動詞不定式;finding動名詞/現在分詞;finds第三人稱單數;find動詞原形。“It is+形容詞+for sb. to do sth.”是固定句型,意為“對某人來說做某事是……的”,因此這里應用動詞不定式形式,故選A。40.A【解析】句意:——爸爸, 地震時我該做什么 ——首先冷靜下來并把自己藏在房間的一個角落里很重要。考查動詞。此處是and連接的兩部分,空處與前面的“calm down”一致,故選A。41.B【解析】句意:作為學生,遵守校規對我們來說是很重要的。考查it固定句型。it is+adj+for+sb+to do sth“做某事對某人來說是……”,常用于表示事物的特征特點;it is+adj+of+sb+to do sth“某人做某事……”,一般用來表示人物的性格、品德。根據“it’s very important ... us ... the school rules.”可知,此處表示遵守校規對我們來說很重要,應該用句型it is+adj+for+sb+to do sth。故選B。42.B【解析】句意:為了過上更好的生活,努力工作對我們來說很重要。考查非謂語動詞。根據“It’s important for us ... hard”可知,此處是it’s+形容詞+for sb to do sth“做某事對某人來說是怎么樣的”,空處用不定式作主語。故選B。43.B【解析】句意:——我覺得對我們來說,每天讀英語是很重要的。——我同意你的看法。這是一個好主意。考查形容詞辨析和動詞不定式作主語。difficult困難的;important重要的;to read讀,動詞不定式;reading讀,動名詞或現在分詞。由“I agree with you”可知第一空的意思為“重要的”,用形容詞important;根據“it’s”和“for us”可知此處采用“It is+adj.+for sb to do sth”的句型,其中it為形式主語,動詞不定式作真正的主語。故選B。44.A【解析】句意:在周末和朋友們一起購物非常有趣。考查非謂語動詞。根據“It is great fun”可知,it是形式主語,所以用to do不定式作真正主語,所以是to shop。故選A。45.C【解析】句意:每天晚上我通常要花兩個小時做作業。考查it固定句型。It takes sb some time to do sth“做某事花費某人一段時間”,it作形式主語,動詞不定式作真正的主語。故選C。46.B【解析】句意:有可能在五月底之前完成所有這些工作。我會盡我最大的努力。考查非謂語,finish動詞“完成”。固定句型:it is + adj. to do sth“做某事是怎樣的”,故選B。47.B【解析】句意:為了過上更好的生活,對我們來說努力工作是很重要的。考查非謂語動詞。固定句式:It is+形容詞+for sb to do sth“對于某人來說,做某事是……的”,動詞不定式作主語,it作形式主語,故選B。48.C【解析】句意:卡羅爾乘公共汽車去學校大約要花20分鐘。考查非謂語。it takes sb. time to do sth.“花費某人時間做某事”,固定句型,it作形式主語,空處使用動詞不定式作真正主語。故選C。49.B【解析】句意:我走到那大約需要花費十五分鐘。考查動詞不定式用法。“It takes sb. some time to do sth.”表示“某人花費多少時間做某事”。其中it是形式主語,真正主語是后面的動詞不定式to do sth.。walk的動詞不定式形式是to walk,由于there是地點副詞,walk there“走到那”。故選B。50.C【解析】句意:對于孩子們來說,在街道上玩耍是非常危險的。根據“very dangerous…children…”可知本題題干的句型為:It is +adj.+for sb.+to do sth. 意為“對于某人來說,做某事是……” ,其中it作形式主語,動詞不定式作真正主語。故選C。51.D【解析】句意:有禮貌是很重要的。考查不定式作主語以及副詞與形容詞辨析。politely禮貌地,副詞;polite禮貌的,形容詞。根據“It is important”可知,此處為It固定句型,構成為“It is+adj.+to do”,其中It為形式主語,真正的主語為不定式,因此排除A、C項;be動詞后應用形容詞。故選D。52.A【解析】句意:——晚飯后散散步對他來說很重要嗎?——是的,他需要做更多的運動來保持健康。考查it固定句型和不定式作主語。根據“... important for him ... a walk after dinner”可知,該句是一般疑問句,結構為it is+形容詞+for+sb.+to do sth.“做某事對某人而言是……的”,it作形式主語,不定式作真正的主語。故選A。53.B【解析】句意:夏天戴太陽鏡對我們有好處。考查非謂語動詞。固定句型“It’s+adj+to do sth”,表示“做某事是……的”,因此空處用不定式作真正主語,排除C、D選項;wear穿著、 戴著,強調狀態;put on穿上,強調動作。根據“It’s good for us ... sunglasses in summer.”可知,此處是強調的是夏天戴太陽鏡這一狀態。故選B。54.C【解析】句意:在陽光下看書對你的眼睛不好。考查介詞、動詞辨析及非謂語動詞。for對……來說;to對于;to look at看,強調看的動作;seeing看見,強調看的結果;to read看,一般指看文字或符號。第一空考查be bad for sth.“對……有害的”,所以填for;第二空考查It is adj. to do sth.“做某事……”,此處是讀書,所以填動詞不定式to read。故選C。55.C【解析】句意:如果你想減肥,你有必要避免脂肪、油和糖。考查非謂語動詞。It is+adj+for sb to do sth意為“對某人來說做某事是……的”,固定句型,空處應填動詞不定式to avoid。故選C。56.C【解析】句意:今年的植樹節他們花了半天時間種樹。考查非謂語動詞和介詞辨析。It takes sb some time to do sth“某人花費時間做某事”,為固定句型,排除BD選項;in后加某年某月某季節;on后具體的某一天。根據“Tree Planting Day”可知是具體到某一天,應用on。故選C。57.C【解析】句意:玩電腦游戲很有趣。他們每天都玩得很開心。考查非謂語動詞。第一句是固定句式:It is+形容詞+to do sth表示“做某事是……的”,動詞不定式作真正的主語。第二句have fun doing sth表示“做某事很開心”,動名詞作賓語,故選C。58.A【解析】句意:收集郵票很有趣,你喜歡嗎?考查固定句型。to collect 為動詞不定式;collect 為動詞原形;collecting 為動名詞;collects 為動詞第三人稱單數形式。根據句意,“It’s+形容詞+to do sth.”去做某事是……的。句中缺少不定式,故選A。59.B【解析】句意:我花了很多時間為十個人準備了一頓大餐。考查非謂語動詞。本句是固定句型“It takes sb. + 一段時間 + to do sth.”表示“做某事花了某人多長時間”,其中動詞不定式“to prepare”作真正的主語,it為形式主語。故選B。60.D【解析】句意:周末待在家里真無聊。考查動詞不定式。“It’s+ adj. + to do sth. ”是固定句式,意為“做某事是……的”,It為形式主語,真正的主語是后置的動詞不定式。故選D。61.A【解析】句意:對我來說,最重要的是要高興。考查介詞和非謂語動詞。It’s+adj.+for sb. to do sth.對某人來說,做某事是……,it是形式主語,to do sth是真正主語,故選A。62.D【解析】句意:在工作日,學生在學校穿校服是必要的。考查非謂語動詞及近義詞辨析。dress穿衣,其后不加衣服,dress sb. in給……穿衣服,dress in穿……的服裝,強調服裝的樣式;put on穿上,強調動作;wear穿著,強調狀態;It’ s +形容詞+for sb. to do sth.對某人來說,做某事是……,固定句式。空后有school uniforms校服,所以此處使用wear。故選D。63.D【解析】句意:——了解一些外國風俗對我們有幫助嗎?——是的,有用。我們在出國旅行之前應該注意這些問題。考查it固定句型。根據“Is it helpful...us...about some foreign customs ”可知,此處指了解一些外國風俗對我們有幫助,形容詞helpful與事物的特征有關,應用句式“It is+形容詞+for sb.+to do sth.”,意為“對某人來說做某事怎么樣”,第二空應填不定式to learn。故選D。64.B【解析】句意:——人們可以在互聯網上找到大量有用的信息。 ——是的。學會使用電腦是很重要的。考查形容詞短語和動詞不定式作真正主語。a large amount of“大量的”,后接不可數名詞;a large number of“許多”,后接可數名詞的復數形式。第一空,根據空后不可數名詞“information”可知,此處應用a large amount of,排除C和D;第二空,分析句子結構可知,此處考查It’s adj. to do sth.“做某事……”,其中it為形式主語,動詞不定式為真正的主語,排除A。故選B。65.C【解析】句意:對我們來說,多吃蔬菜是健康的。考查it的固定句型。固定結構“it’s+adj.+for/of sb.+to do sth.”意為“做某事對某人來說是怎樣的”,其中“it”是形式主語,真正的主語是后面的動詞不定式,即“to eat more vegetables”,且形容詞healthy在此表示事物的特征,即吃更多蔬菜是健康的,用介詞for。故選C。66.B【解析】句意:在課堂上讀英語是不夠的。你應該在業余時間多讀書。考查動詞辨析及非謂語動詞。say說;read閱讀;speak說。根據“You should read more in your spare time”可知,此處指讀英語。It’s +adj.+to do是固定句式,意為“做……怎么樣”,其中的動詞不定式作主語,it是形式主語。故選B。67.C【解析】句意:——夏天是游泳的最佳時間。——你說得對。但是不要一個人去游泳。考查非謂語動詞。根據“It’s the best time”可知,此句是“It’s time to do sth.”句型,第一個空填to swim;又根據短語go swimming“游泳”可知,第二個空填swimming。故選C。68.C【解析】句意:俱樂部的目的是為了得到樂趣。考查不定式用法。have fun動詞原形;having fun動名詞形式;to have fun動詞不定式;had fun過去式。句中空處作表語,用于說明俱樂部的目的是“為了……”,需要不定式短語來充當。故選C。69.B【解析】句意:工人的職責是保護那些動物。考查非謂語動詞。protect動詞原形;to protect動詞不定式;protected過去式;will protect一般將來時。分析句子結構可知,此處需用動詞不定式作表語。故選B。21世紀教育網(www.21cnjy.com)21世紀教育網(www.21cnjy.com) 展開更多...... 收起↑ 資源預覽 縮略圖、資源來源于二一教育資源庫