資源簡介 / 讓學習更有效 新課備課備考 | 英語學科2025年滬教版(2024)新八年級英語上冊精講精練Unit 3 Our digital lives核心語法:動名詞一、動名詞的基本概念定義:動名詞(Gerund)是動詞的-ing形式,具有名詞和動詞的雙重特性,在句中可作主語、賓語、表語等。構成:動詞原形 + -ingwork → workingstudy → studying特殊變化:以不發音e結尾的動詞:去e加ing(write → writing)重讀閉音節動詞:雙寫末尾輔音字母加ing(run → running)二、動名詞的句法功能功能 示例 例句主語 Swimming is good for health. Reading makes me happy.賓語 I enjoy playing basketball. She avoids eating junk food.表語 My hobby is painting. His job is teaching English.定語 a swimming pool a reading room介詞賓語 Thank you for helping me. He is interested in learning French.三、動名詞的常見用法1、作主語(表示一般行為):Getting up early is a good habit.Smoking is harmful to health.作動詞賓語(某些動詞后必須用動名詞):常見動詞:enjoy, finish, avoid, practice, mind, suggest, keep, consider等。I enjoy reading novels.She practices playing the piano every day.2、作介詞賓語:He is good at telling jokes.She is afraid of speaking in public.3、作表語(說明主語內容):Her favorite activity is dancing.Seeing is believing.4、作定語(修飾名詞):a sleeping baby(= a baby who is sleeping)a walking stick(= a stick for walking)四、動名詞的特殊結構動名詞的復合結構:邏輯主語(名詞所有格/形容詞性物主代詞) + 動名詞Tom's coming late surprised us.Do you mind my opening the window 動名詞的時態和語態:類型 主動形式 被動形式一般式 doing being done完成式 having done having been done例句:She is proud of having won the prize.(主動完成式)He complained about having been ignored.(被動完成式)五、動名詞與不定式的區別比較點 動名詞 不定式時間概念 強調一般性或已完成動作 強調具體或將來的動作常用動詞 enjoy, avoid, finish, mind等 want, hope, decide, plan等例句 I like swimming.(泛指愛好) I like to swim today.(具體)[注]:有些動詞后接動名詞和不定式意義不同:stop to do(停下來去做某事)He stopped to talk with me.stop doing(停止做某事)He stopped talking.六、易錯點與難點1、動詞后接動名詞或不定式的混淆:錯誤:I enjoy to swim.(正確:I enjoy swimming.錯誤:She wants going home.(正確:She wants to go home.)2、動名詞作主語時的謂語動詞:錯誤:Reading books are interesting.(正確:Reading books is interesting.)3、邏輯主語的誤用:錯誤:Do you mind me opening the window (口語可接受,但正式寫法應為:Do you mind my opening the window )1.Would you mind _____ the room A.clean B.cleaning C.to clean2.Look! There are some birds _______________ in the sky. They are very beautiful.A.to fly B.fly C.flying D.flew3.The best way to learn new words is by _____ English magazines.A.read B.reading C.to read D.have read4.He ________ to get to the top of the hill after ________ several times.A.managed; to try B.tried; tryingC.managed; trying D.tried; to trying5. —I have decided to give up ____ too much chocolate a day from now on.—Well done! According to my research, it will certainly ____ your health.A.eating; improve B.eating; increaseC.to eat; improve D.to eat; increase6. It's almost 12 p.m. but Mr. Zhang is still continuing ____ his lessons.A.prepare for B.prepared forC.preparing for D.to prepare for7.China Mobile is a _____provider of cellular phone service in China.A.leader B.leading C.led D.lead8. Sam, let's stop ____ football and go home for dinner.A.play B.to play C.plays D.playing9.Don't give up English and you must spend more time it.A.studying; learning B.studying; learnC.to study; to learn D.to study; learning10.—What do you think of the West Lake —It's a place that is worth .A.visit B.visiting C.to visit11.What about ____________ a day out to Shanghai A.spend B.to spend C.to spending D.spending12. The movie was pretty funny, we couldn't stop ____.A.laughing B.laughed C.to laugh D.laugh13.____________ in the sun is bad for our eyes.A.Read B.Reading C.Being read D.To be reading14.—Do you like swimming —Yes, ________ is a good way _______ fit.A.swimming; to keep B.swim; to keepC.swimming; keeping D.swim; keep15.His ________ unusual hobby is ________ shells.A.the most; to collect B.most; collecting C.the most; collect16.—Why does Tom practice the poem again and again —Because he wants to avoid mistakes at the party.A.recite, make B.to recite, to make C.reciting, making17.—Do you have any plans for the holiday —Yes. I'm planning to travel to Jiuzhaigou. I'm looking for ward to ________ the colourful lakes and amazing waterfalls.A.see B.seeing C.sees D.saw18.It has stopped _____________.A.rain B.to rain C.to raining D.raining19.____ fish with cormorants ____ a traditional skill.A.Catching, is B.Catch, areC.Catch, is D.Catching, are20.Do you brush your after up A.tooth; get B.tooth; getting C.teeth; get D.teeth; getting21.Running ______ a good way to exercise every day.A.is B.was C.are D.were22.The emperor was a silly man that he walked through the city only his underwear.A.such; wears B.so; wore C.such; wearing23.He spent two hours __________ his mother with housework last Sunday.A.helping B.helped C.to help D.help24.It's a good way ________ English ________ to English songs.A.to learn; to listen B.learning; listeningC.to learn; listening D.learning; to listen25. A: The teacher is speaking in the class, and we must stop ____.B: Yes, we must stop ____ to teacher carefully.A.to talk; listening B.to talk; to listenC.talking; listening D.talking; to listen26.When I asked him, he tried to avoid me.A.answered B.answer C.answering D.to answer27.She has no problem ____ the song.A.sing B.sings C.singing D.sang28.—It's the best time now.—You're right. But don't go alone.A.to swim; to swim B.swimming; swimmingC.swimming; to swim D.to swim; swimming29. Mr Chen enjoys ____ different people.A.making friend with B.making friends toC.making friends with D.make friends with30.— How about ____________________?— It's a good idea.A.dance B.to dancing C.dancing D.to dance31.We had no time , but we had a great time the model plane together.A.to chat; making B.to chat; to makeC.chatting; making D.chatting; to make32.They are looking forward to an exciting vacation.A.have B.having C.has D.had33.—How about in the river with us —Sorry, I can't. My parents tell me that.A.swim; don't do B.swim; to doC.swimming; not do D.swimming; not to do34. Mr. and Mrs. Smith enjoy ____photos. They always go out with their cameras.A.take B.took C.taking D.to take35.—Mike, thank you for me with my geography.—You are welcome.A.helping B.helps C.help D.to help36.— Besides eating regularly, what else should I pay attention to_____ my body — You should pay attention to _______ exercise regularly.A.to shape; to do B.shaping; to doC.shaping; doing D.to shape; doing37. The heavy rain kept me ____ so long.A.stay B.to stay C.stayed D.staying38.— What about a rest — OK! Let's go for a walk.A.having B.had C.have39.Lisa remembers to her mother. But her mother hasn't received the letter.A.to write B.wrote C.writing40.Susan wanted to be independent of her parents. She tried alone, but she didn't like it and moved back home.A.living B.to live C.to be living D.having lived41.He is good ______ these events. But she is weak in ______ short race.A.to; runing B.at; running C.in; running D.with; runing42. My favorite TV program is The Readers. I think we should spend as much time as we can ____ in our spare time.A.read B.to read C.reading D.reads43.Lindan succeeded in a gold medal in 2012 London Olympic Games.A.win B.won C.to win D.winning44.—What happened to you, Nick —L failed my test last term. To help me get better grades this term, my mom warns me _______so many computer games, and my dad suggests _______ more exercises.A.not to play; to do B.don't play; to doC.not to play; doing D.don't play; doing45.My grandma often forgets ______ the door, but she remembered _____ it when she left yesterday.A.closing; close B.to close; closeC.closing; to close D.to close; closing46.The trees can prevent the wind from __________ the earth away.A.blowed B.blowing C.be blown D.blew47.We all look forward to ___________you again soon.A.see B.seeing C.seen48.The place was so beautiful that her husband could not stop _________ photos.A.taking B.showing C.to show D.to take49. My wife prefers ____ to ____ at weekends.A.shopping,staying at home B.shop,stay at homeC.shopping,stay at home D.shopping,beat home50.Mr. Black, you are becoming healthier and healthier. Please keep on ________.A.ran B.to run C.runs D.running參考答案及試題解析1.B【解析】句意:你介意打掃一下房間嗎?固定句式Would you mind后面一般接動名詞,表示介意……做某事嗎?動名詞作賓語表示抽象動作,故選B。【點評】固定句式的考查也是英語考查的一個重點,熟記這些句式可以減少答題中的分析判斷時間,所以平時加強句式記憶也是學好英語的關鍵環節。2.C【解析】句意:看!天空中有一些鳥兒飛翔,它們非常美麗。“There be sth. doing+介詞短語.”意為“在某地有某東西”,是固定搭配,故選C。【點評】考查固定搭配。注意識記非謂語動詞的用法。3.B【解析】句意:通過閱讀英語雜志學習新單詞是最好的方法。介詞之后的動詞該用動名詞形式,所以選B。4.C【解析】句意:在嘗試幾次之后,他終于成功到達了山頂。manage to do成功做某事,try to do sth.努力/試圖做某事(不一定成功),根據句意所以排除B和D;after介詞,后面應該跟v-ing形式,而不能跟動詞不定式,故答案為C。【點評】考查動詞和動名詞。掌握和動詞有關的固定搭配的意義和用法。5.A【解析】句意:——我決定從現在開始,每天不吃太多巧克力。——做得好!根據我的研究,這肯定會改善你的健康。eating吃,動名詞/現在分詞;to eat吃,動詞不定式;improve改善,動詞原形;increase增加。第一空根據固定搭配give up doing sth."放棄做某事",可知應用動名詞形式eating,排除CD;第二空根據health,可知應是改善健康情況,應用動詞improve。故選A。【點評】考查動名詞和動詞原形。注意熟記固定搭配give up doing sth."放棄做某事"。6.C【解析】句意:已經快中午12點了。但張仍在繼續備課。由 It's almost 12 p.m. 可知表示現在某一時刻,正在發生的事,用現在進行時,根據空格前is,要與prepare的現在分詞preparing構成現在進行時,故選C。【點評】考查現在進行時的構成和用法。根據上文的語境,確定時態。7.B【解析】句意:中國移動是中國領先的移動電話服務提供商。leading帶領,實義動詞,過去式是led,動詞ing是leading,名詞是leader領導者。provider提供者,名詞, 所以用動名詞修飾名詞,所以用leading,故選B。【點評】考查動名詞修飾名詞,理解句意。8.D【解析】句意:薩姆,我們別踢足球了,回家吃晚飯吧。A: 玩,動詞原形;B: 玩,動詞不定式;C: 玩,動詞三單形式;D: 玩,動名詞。根據 go home for dinner. 回家吃晚飯吧,可知應是停止正在做的事,應用固定搭配stop doing sth."停止做某事",應用動名詞playing。故選D。【點評】考查動名詞。注意熟記固定搭配stop doing sth."停止做某事"。9.A【解析】句意:不要放棄學習英語,你必須花更多的時間學習它。give up doing sth.”放棄做某事“;spend some time doing sth.”花費時間做某事“。結合句意可知,答案為A。【點評】考查非謂語動詞,以及固定短語give up doing sth.和固定句型spend some time doing sth.。10.B【解析】句意:—你認為西湖怎么樣?—是一個值得參觀的地方。be worth doing值得做某事。故答案為B。【點評】考查動名詞,牢記固定搭配。11.D【解析】句意:我們去上海玩一天怎么樣?what about doing sth,做某事怎樣,固定結構,故選D。【點評】考查固定結構。注意what about表示建議,其后跟名詞,代詞及動名詞形式。12.A【解析】句意:這部電影很有趣,我們笑個不停。"stop doing sth."意為"停止正在做的事";"stop to do sth."意為"停下來去做另一件事"。根據本句句意,電影太精彩了,我們忍不住笑,是停止不笑的動作,所以用"stop laughing",故選A。【點評】考查動名詞和固定搭配,注意識記couldn't stop doing sth的用法。13.B【解析】句意: 在陽光下看書對我們的眼睛有害。 本句為動名詞短語作句子的主語。故選B。【點評】考查動名詞,注意動名詞短語作主語的用法。14.A【解析】句意:——你喜歡游泳嗎 ——是的,游泳是一種保持健康的好方法。第一個空,缺少主語,動名詞形式可以作主語,所以填swimming;第二個空是動詞不定式作后置定語, way to do sth,示做某事的好方法,to do不定式作后置定語,故選A。【點評】考查非謂語動詞,注意掌握動名詞作主語、動詞不定式作后置定語的用法。15.B【解析】句意:他最不尋常的愛好是收集貝殼。第一空,most是最高級,most前有形容詞性物主代詞His,因此這里不用加the;第二空,這里要用動名詞作表語,表示一般性、經常性發生的動作,collect的動名詞是collecting,故選B。【點評】考查形容詞最高級和動名詞,注意最高級前有人稱代詞時不用加the以及動名詞作表語的用法。16.C【解析】句意:——湯姆為什么一次又一次地練習背誦這首詩?——因為他想避免在聚會上犯錯誤。recite背誦,動詞原形;make制作,動詞原形;to recite背誦,動詞不定式;to make制作,動詞不定式;reciting背誦,現在分詞或動名詞;making制作,現在分詞或者動名詞形式;根據practice doing sth“練習做某事”,和avoid doing sth“避免做某事”,可知用doing形式,故答案為C。【點評】考查動名詞。注意識記固定搭配中動名詞的用法。17.B【解析】句意:——你有度假的計劃嗎 :——有。我打算去九寨溝旅行。我期待著看到色彩斑斕的湖泊和令人驚嘆的瀑布。根據固定搭配Look forward to doing sth.“期望做…… ”,可知空格處應用動詞see的動名詞形式seeing。故選B。【點評】考查固定搭配和動名詞。 注意熟記固定搭配Look forward to doing sth.“期望做……” 。18.D【解析】考查動名詞的用法;句意:天已經停止下雨了。stop doing sth.停止做某事,故選D。19.A【解析】句意:用鸕鶿捕魚是一項傳統的技術。填空一,catch,動詞,此處用動名詞做主語,填空二,主語是動名詞,系動詞使用is,故選A。【點評】考查動名詞,注意識記主謂一致的用法。20.D【解析】“刷牙”常用復數形式,第一個空填 teeth,after在本句中作介詞,后面跟動名詞形式 getting,故選D。句意是:你起床后刷牙嗎?【點評】本題考查動名詞以及習慣用法 brush teeth。21.A【解析】句意:每天跑步是一種鍛煉的好方式。“跑步”作句子的主語,動詞短語作主語,用成動名詞形式;動名詞作主語時,謂語用第三人稱單數形式。故選A。【點評】本題考查主謂一致。以及is was ,are,were四個詞的意義和用法。22.C【解析】句意:皇帝是如此愚蠢的人,他只穿著他的內褲穿過城市。such/so如此,such后跟名詞,so后跟形容詞或副詞;根據空后面的a silly man,名詞,可知第一個空為such;根據he walked through the city only his underwear. 可知這里是做伴隨狀語,用動名詞,表示正穿著內褲,故答案為C。【點評】考查固定搭配和動名詞。識記such和動名詞的用法。23.A【解析】句意:上星期天他花了兩個小時幫他媽媽做家務。根據spend time (in) doing sth.,固定搭配,花費時間做某事,可知用動名詞,故答案為A。【點評】考查動名詞。注意識記固定搭配spend…doing sth的用法。24.C【解析】句意:聽英文歌曲是學習英語的好方法。a good way to do sth. 意為“做某事的一個好方法" ;介詞by后跟動名詞,故選C。【點評】考查動詞不定式和動名詞,注意識記動詞不定式和動名詞的用法。25.D【解析】句意: ——老師正在講課,我們必須停止說話。——是的,我們必須停下來認真聽老師講課。to talk說話,動詞不定式;talking說話,動名詞;listening聽,動名詞;to listen聽,動詞不定式。第一空根據 The teacher is speaking in the class 老師正在講課,可知是要停止正在做的事情,應用固定搭配stop doing sth."停止做某事",可知應用動名詞形式talking;第二空根據句意,可知是表示停下來去聽老師將,即停下原來做的事,去做別的事,應用固定搭配stop to do sth."停下來去做某事",可知應用動詞不定式to listen。故選D。【點評】考查動名詞和動詞不定式。注意熟記固定搭配stop doing sth."停止做某事",stop to do sth."停下來去做某事"。26.C【解析】句意: 當我問他時,他盡量避免回答我。 avoid doing sth避免做某事,固定搭配,此處用動名詞。故選C。【點評】考查動名詞,注意固定搭配avoid doing sth的用法。27.C【解析】句意:她唱這首歌沒有問題。A:sing唱歌,動詞原形;B:sings唱歌,動詞的三單形式;C:singing唱歌,動名詞;D:sang唱歌,過去式。固定搭配have no problem doing sth,做某事沒有問題,可知應用動名詞singing,故選C。【點評】考查固定搭配,注意識記固定搭配have no problem doing sth的用法,選出正確答案。28.D【解析】句意:——游泳的最好時間在夏天。——不要獨自去游泳。the best time to do sth做某事的最好時間,go swimming,去游泳,這都屬于固定搭配,空一使用動詞不定式,空二使用動名詞,故答案是D。【點評】考查動名詞個動詞不定式,注意識記固定搭配the best time to do sth和go shopping的用法。29.C【解析】句意:陳先生喜歡和不同的人交朋友。enjoy doing,固定搭配,喜歡做某事。故用動名詞,make friends with sb,固定搭配,和某人交朋友,故選C。【點評】考查動名詞,注意識記enjoy doing,make friends with sb的用法。30.C【解析】句意:——跳舞怎么樣 ——好主意。how about……怎么樣?后跟名詞,代詞或動名詞。故答案為C。【點評】考查動名詞。注意識記how about的用法。31.A【解析】句意:我們沒時間聊天,但是我們一起做飛機模型玩過得很愉快。have time to do sth有時間做某事;have a good time doing sth做某事過得很愉快。故選A。【點評】考查非謂語動詞。32.B【解析】句意:他們在盼望著過一個令人激動的假期。look forward to doing sth. 意為“期待做某事”. 后接動名詞。故選B。【點評】考查動名詞作賓語。33.D【解析】句意:——和我們一起去河里游泳怎么樣?——對不起,我不能。我父母告訴我不要那樣做。根據固定搭配,how about,……怎么樣,后跟名詞,代詞或動名詞,可知第一個空用swimming;根據固定搭配tell sb not to do sth告訴某人不做某事,可知第一個空為不定式的否定形式,故答案為D。【點評】考查動名詞和動詞不定式。識記固定搭配的用法。34.C【解析】句意:史密斯夫婦喜歡拍照。他們總是帶著相機出門。 take 動詞原形; took 過去式; taking 現在分詞或者動名詞; to take 動詞不定式。分析句子可知,此處為非謂語動詞,結合固定搭配enjoy doing sth,"喜歡做某事"。故選C。【點評】考查非謂語動詞以及固定搭配enjoy doing sth "喜歡做某事"。讀題審題,仔細閱讀題目,理解句子的整體意義。分析句子結構,找出謂語動詞和非謂語動詞。判斷非謂語動詞的作用,確定非謂語動詞在句子中充當的成分及其邏輯主語。分析語態和時態,根據非謂語動詞與邏輯主語的關系及時間關系,判斷應使用的語態和時態。對比選項:將分析結果與選項進行對比,選擇最符合題意的答案。牢記識記固定搭配。35.A【解析】句意:——邁克,謝謝你幫我補習地理。——你太客氣了。helping動名詞;helps第三人稱單數;help動詞原形;to help動詞不定式;thank you for因……而感謝,后跟名詞,代詞或動名詞,故答案為A。【點評】考查動名詞。注意識記thank you for后跟動名詞的用法。36.D【解析】句意:——除了有規律的飲食之外,我還應該注意其他的什么來塑造身型?——你應該注意經常鍛煉。首空“塑造身型”為目的,應該用不定式表目的,即to shape;第二空pay attention to+doing,to做介詞,后面用動名詞做賓語,注意……,故選D。【點評】考查非謂語動詞。注意不定式和動名詞的使用。37.D【解析】句意:大雨讓我呆了這么久。A.動詞原形;B.動詞不定式;C.動詞過去式;D.動名詞。根據固定搭配keep sb. doing sth."讓某人一直做某事",可知應用動名詞形式staying。故選D。【點評】考查動名詞。注意熟記固定搭配keep sb. doing sth."讓某人一直做某事"。38.A【解析】句意:——休息一下如何?——好吧!我們去散步吧。what about doing,做……怎樣,表示建議,固定搭配,因此用having,故答案是A。【點評】考查介詞后的動詞使用ing形式。39.C【解析】句意:Lisa記得寫過信給她媽媽。但是她媽媽沒有收到信。remember to do sth,記得要做某事,還沒做;remember doing sth,記得做過某事,已經做了。由But her mother hasn't received the letter.可知這里要說的是“記得寫過信”,因此要用動詞ing形式,故選C。【點評】考查動名詞,注意識記remember doing sth的詞義和用法。40.A【解析】句意: 蘇珊想獨立于她的父母。她一個人試過一個人生活,但不喜歡,搬回家了。 try后面可以接doing和to do, try doing sth. 意為"試著去做某事",但不管 是否成功;try to do sth.意為“盡力去做某事”,強調結果。分析語境可知此處表示 她試著一個人生活,故選A。【點評】考查動名詞,注意識記try doing sth的用法。41.B【解析】句意:他擅長這些活動。但是她在短跑方面很弱。固定搭配,be good at,擅長,可知第一個用at,in后跟動名詞running,故答案為B。【點評】考查介詞辨析和動名詞。識記固定搭配和running 的用法。42.C【解析】句意:我最喜歡的電視節目是《讀者》,我認為我們應該在業余時間盡可能多的花費時間讀書。A動詞原形,B動詞不定式,C動詞的ing形式,D第三人稱單數。由 as much time as we can 盡可能多地;spend time doing sth.是固定短語,花費時間做某事,C符合題意,故選C。【點評】考查動名詞。注意spend time doing sth.是固定短語,花費時間做某事。43.D【解析】句意:Lindan成功贏得了2012年倫敦奧林匹克運動會。固定搭配,succeed in doing sth.,表示成功做某事,故是動名詞,故選D。【點評】考查動名詞,注意識記succeed in doing sth的用法。44.C【解析】句意:——你怎么了,尼克?——上學期我考試不及格。為了幫助我這學期取得更好的成績,我媽媽警告我不要玩這么多電腦游戲,我爸爸建議我多做練習。warn sb not to do,固定搭配,禁告某人不要做某事,suggest doing,固定搭配,建議做某事,故選C。【點評】考查非謂語動詞,注意識記warn sb not to do,suggest doing的用法。45.D【解析】句意:我的奶奶經常忘記關門,但是昨天她離開的時候記得關上了門。 close關閉,動詞forget/remember to do sth.忘記/記得要做的事。forget/remember doing sth.忘記/記得做過某事。根據第一個空格處為我的奶奶經常忘記關門,常常忘記做,應該用forget to do sth. 第二個空后有when she left yesterday昨天她離開的時候,這一時間狀語說明事情已經發生過,此處應該用remember doing sth.這一結構,故選D。【點評】考查動詞。注意掌握forget和remember的用法。46.B【解析】句意:這些樹能防止風把泥土吹走。prevent sth. from doing sth.,阻止某事做某事,固定搭配,介詞from后需用動名詞作賓語。故選B。【點評】考查固定搭配,注意prevent sth. from doing sth.的用法。47.B【解析】句意:我們都盼望不久能再見到你。see,動詞,看。look forward to doing sth,固定結構,期望做某事,故選B。【點評】考查固定搭配。注意固定短語look forward to doing sth的含義。48.A【解析】句意:那個地方太美了,她丈夫不停地拍照。show,出示,take,拍照,根據那個地方太美了,可知是take photos,拍照,stop to do,停下來去做某事,表示停止前面的動作,開始后面的動作,stop doing,固定搭配,停止做某事,此處表示停止拍照,故用動名詞taking,故選A。【點評】考查固定搭配,注意識記stop doing,和take photos的用法。49.A【解析】句意:我妻子喜歡購物而不喜歡周末呆在家里。根據固定搭配prefer doing sth. to doing sth."喜歡……而不喜歡",可知兩個動詞都用動名詞形式。故選A。【點評】考查固定搭配。注意熟記固定搭配prefer doing sth. to doing sth."喜歡……而不喜歡"。50.D【解析】句意: 布萊克先生,你越來越健康了。請堅持跑步。keep on后跟動名詞形式,故選D。【點評】考查固定詞組的用法,keep on后常跟動名詞形式。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