牛津英語(yǔ)7A Unit 4重點(diǎn)難點(diǎn)講解

譯牛7A Unit 4重點(diǎn)難點(diǎn)講解 1.Lets have a hamburger. 讓我們吃個(gè)漢堡包吧。(P58) “Lets”是“Let us”的縮寫(xiě)形式，其后接動(dòng)詞原形（即省去to的動(dòng)詞不定式）。以“Lets”開(kāi)頭的句子為祈使句。例如：Lets go fishing.讓我們?nèi)メ烎~(yú)吧。Lets play badminton. 讓我們打羽毛球吧。2.I need a lot of energy. 我需要許多能量。(P58) (1)句中的need作動(dòng)詞，意為“需要”。例如：Do you need my help?你需要幫助嗎？I dont need any money.我不需要錢(qián)。need還可作情態(tài)動(dòng)詞，常用于否定句。例如：-Must I finish the work today?-No, you neednt.我必須今天完成這項(xiàng)任務(wù)嗎？不必。(2)a lot of = lots of 意為“許多、大量的”，相當(dāng)于many或much。例如：He has a lot of friends here. = He has many friends here.他這兒有許多朋友。Her parents have a lot of money. = Her parents have much money.她父母親很有錢(qián)。3.You never exercise. 你從來(lái)不鍛煉。(P58)(1) never是副詞，意為“永不，從不，決不，從未，一點(diǎn)也不”。通常置于行為動(dòng)詞之前、be動(dòng)詞或助動(dòng)詞之后。例如：We never go to school on Sundays.我們星期天從來(lái)不上學(xué)。I am never late for work.我上班從不遲到。I will never forget your birthday.我決不忘記你的生日。(2) 句中的exercise 作動(dòng)詞，意為“鍛煉”。例如：My father exercises in the park every morning.我父親每天早晨在公園鍛煉。exercise還可作名詞，意為“鍛煉”。例如：We need enough exercise every day.我們需要每天鍛煉。4.I walk to my bowl many times a day. 我一天跑向我的飯碗好多次。(P58)(1)句中的walk為不及物動(dòng)詞，walk to相當(dāng)于go to on foot，意為“步行去”例如：She walks to school every day.她每天步行上學(xué)。walk也可作及物動(dòng)詞，意為“帶散步，帶遛彎”。例如：She walks him every day. 她每天帶他散步。(P28)walk還可作名詞，意為“散步，溜達(dá)”。例如：I take my dog for a walk every day.我每天溜狗。(P14)He often goes for a walk after supper.他經(jīng)常晚飯后去散步。(2) times意為“次數(shù)、倍數(shù)”，屬可數(shù)名詞。例如：We have meals three times a day.我們一天吃三頓飯。time也可作不可數(shù)名詞，意為“時(shí)間”。例如：We dont have much time to chat with each other at school. 我們?cè)趯W(xué)校沒(méi)有多少時(shí)間相互聊天。5. What is your favourite food? 你最喜愛(ài)的食物是什么？ (P59) They are my favourite.他們是我的最?lèi)?ài)。(P59)句中的favourite是形容詞，意為“心愛(ài)的，最喜愛(ài)的”，修飾名詞。例如：What is your favourite colour? 你最喜愛(ài)的顏色是什么？favourite也可作名詞，意為“最喜愛(ài)的東西，最?lèi)?ài)”。例如：This song is one of my favourites.這首歌是我最喜愛(ài)的歌曲之一。6.I want to be a dancer. 我想要當(dāng)舞蹈家。(P60)（1）want to be 意為“想要當(dāng)/成為”，want to do sth.意為“想要干某事”。例如：My sister wants to be a teacher when she grows up. 我妹妹長(zhǎng)大后想要當(dāng)教師。I want to go shopping this afternoon. 今天下午我想要去購(gòu)物。（2）dancer是由動(dòng)詞dance加后綴-er變化而來(lái)的。例如：Wait-waiter; play-player; work-worker, teach-teacher; drive-driver; write-writer;swim-swimmer; run-runner;7.Its easy for me to get tired when I dance. 我跳舞時(shí)很容易疲勞。(P60)（1）該句的句型結(jié)構(gòu)為“It is adj. for sb. to do sth.”意為“做某事對(duì)某人來(lái)說(shuō)”， it為形式主語(yǔ)，真正的主語(yǔ)為動(dòng)詞不定式to do sth.。因此，原句可改寫(xiě)為：To get tired when I dance is easy for me。例如：It is important for us to read English every day.= To read English every day is important for us.Its not easy to learn English well.= To learn English well is not easy.Its great fun to play computer games.= To play computer games is great fun.（2）句中的get為連系動(dòng)詞，與tired構(gòu)成系表結(jié)構(gòu)。例如：The young man looks so cool.這位小伙子看上去很酷。I feel happy to be with you.跟你在一起我很開(kāi)心。The cake tastes delicious.這蛋糕償起來(lái)很好吃。I feel hungry. I want to have some bread.我感到餓了，想吃些面包。I feel tired after swimming.游泳后我感到疲勞。8.I usually have fruit and vegetables because I want to be healthy. 我通常吃水果和蔬菜，因?yàn)槲蚁虢】怠?P60)because是連詞，后接表示原因的狀語(yǔ)從句；because of后接表原因的詞或短語(yǔ)。例如：I like my classroom because it is big and clean. 我喜歡我的教室，因?yàn)樗却笥指蓛簟?P24)I dont like the mooncakes because they are too sweet.我不喜歡月餅，因?yàn)樘鹆?。He cant play football any more because of his poor leg.由于可憐的的那條腿，他不奶奶感再踢足球了。9.After class, I also like playing computer games and chatting with my friends on the Internet.課后我也喜歡玩電腦游戲和在網(wǎng)上與朋友聊天。（P60）also是副詞，意為“也”，與too同義，但also一般置于行為動(dòng)詞之前、be動(dòng)詞或助動(dòng)詞之后；too一般置于句未。例如：She is also from America.= She is from America, too.I also like singing.= I like singing, too.either也可表示“也”，但通常用于否定句, 一般置于句未。例如：We dont go to school on Sundays. They dont go to school on Sundays, either.10.It's time for me to change now. 我現(xiàn)在該改變了。P60）此句型為It's time for +名詞/代詞+to+動(dòng)詞原形，是一個(gè)常用的句型，意為“某人該做某事了；某人做某事的時(shí)間到了；是某人做某事的時(shí)候了。”例如：It's time for the students to play games. 學(xué)生們?cè)撟鲇螒蛄?。Its time for us to go to school. 我們?cè)撋蠈W(xué)了。這一句型也可用下列句型：（1）It's time for+名詞。例如：Its time for class.該上課了。It's time for lunch. 是吃中飯的時(shí)候了。（2）It's time to+動(dòng)詞原形。例如：It's time to go to school.= It's time for school. 該去上學(xué)了。It's time to have supper.= It's time for supper. 是吃晚飯的時(shí)候了。11.I plan to go swimming twice a week. 我計(jì)劃一周游泳兩次。(P60)（1）go swimming意為“去游泳”。go+V-ing結(jié)構(gòu)表示去進(jìn)行帶有娛樂(lè)性的體育活動(dòng)。例如：go running去跑步go shopping 去買(mǎi)東西go fishing去釣魚(yú)go skating去溜冰（2）twice意為“兩次，兩倍”。例如：Amy goes to the Swimming Club three times a week. Amy一周去游泳俱樂(lè)部三次。(P64)對(duì)twice a week，three times a week等提問(wèn)時(shí)，用How often。例如：How often does Amy go to the Swimming Club？12. How much do you know about food? 關(guān)于食物你知道多少？（P63）（1）How much常用來(lái)對(duì)不可數(shù)名詞的數(shù)量提問(wèn)，也可用于詢(xún)問(wèn)價(jià)錢(qián)，還可詢(xún)問(wèn)抽象名詞或表示事物總稱(chēng)的名詞的數(shù)。例如：How much milk do you need?How much do you know about their school?How much is the chicken?（2）若對(duì)可數(shù)名詞的數(shù)量提問(wèn)，通常用how many。例如：How many people are there in your family?13.How often do they exercise? 他們多長(zhǎng)時(shí)間鍛煉一次？（P64）How often常用于對(duì)頻率的提問(wèn)，意為“多長(zhǎng)時(shí)間一次”，其答語(yǔ)通常是once a week, three times a month, sometimes等表示頻的副詞及短語(yǔ)。例如：-How often do you go to see your parents?-Twice a month.你過(guò)多久去看你父母親一次？一月一次。-How often does your cousin play computer games? -Three times a week.你表弟多長(zhǎng)時(shí)間玩一次電腦游戲？一星期三次。-How often do you go fishing?-Never, but my father does once a week.你過(guò)多久去釣一次魚(yú)？從不，不過(guò)我父親每周去一次。14.Daniel spends all his free time sitting in front of the computer. Daniel把所有的業(yè)余時(shí)間都花在電腦前面。（P64）此句型為spend some time (in) doing sth.，意為“某人花費(fèi)時(shí)間干某事”，spend后接動(dòng)詞，介詞in可省略；spend后接名詞時(shí)，用句型spend some time on sth.，意為“某人在某事方面花費(fèi)時(shí)間”。例如：I usually spend about an hour doing my homework every day. = I usually spend about an hour on my homework every day. 我每天通?；ò雮€(gè)小時(shí)做家庭作業(yè)。He spends fifteen minutes walking to school.他花15分鐘步行上學(xué)。也可用it takes sb. some time to do sth.這一句型，意為“某人花費(fèi)時(shí)間干某事”。例如：It takes half an hour to cook.要花半個(gè)小時(shí)做飯。上面的兩個(gè)例句可分別改寫(xiě)為：It usually takes me about an hour to do my homework every day.It takes him fifteen minutes to walk to school.15.You are not fit at all.你一點(diǎn)也不健康。（P69）（1）at all意為“一點(diǎn)也（不）”，常與not連用，構(gòu)成句型notat all。例如：Im not tired at all.-Are you hungry?-Not at all.not與at all連在一起，用來(lái)表示“答謝”。例如：-Thank you.- Not at all. (=Youre welcome.)（2）句中的fit是形容詞，意為“健康的，結(jié)實(shí)的”，相當(dāng)于healthy。例如：If you want to keep fit, you should take more exercise.16.Congratulations! 祝賀你（們）?。≒65）Congratulations是名詞，常用復(fù)數(shù)形式，其后可接to sb.或on doing sth.，意為“向（某人）祝賀（某事）”。例如：Congratulations to you on winning the match.Congratulations on your success(成功).17.I like hamburgers but I dont eat them any more.我喜歡漢堡包，不過(guò)我不再吃了。（P70）notany more意為“不再”。例如：I wont be late any more.我再也不遲到了。He doesnt play computer games any more.他再也不完電腦游戲了。18.Good luck with your new diet and lifestyle. 愿新的日常飲食幾生活方式為你帶來(lái)好運(yùn)（成功）。（P70）（1）luck是名詞，意為“運(yùn)氣、幸運(yùn)”。例如：He always has good luck.他總很走運(yùn)。I wish you luck. 祝你幸運(yùn)。 （2）若表示“祝（你）好運(yùn)；祝（你）順利；祝（你）平安！”，則表達(dá)為：Good luck!Good luck 后接人時(shí)用 Good luck to sb.，Good luck后接sth.時(shí)用Good luck with sth. 例如：Good luck to you!Good luck with your English!