1、第19課時(shí) 8B Unit3【考點(diǎn)精講】一、核心詞匯1receive vt考點(diǎn)點(diǎn)撥 receive是動(dòng)詞，意為“收到，接到”，是指客觀、被動(dòng)地接收；而accept是指主觀接受。如：I received a bunch of flowers yesterday, but I didnt accept it.昨天我收到一束花，但是我沒有接受。2Asia n考點(diǎn)點(diǎn)撥 Asia是名詞，意為“亞洲”。Asian作形容詞，意為“亞洲的，亞洲人的”；作名詞，意為“亞洲人”。類似詞有：Africa非洲-African非洲（人）的；非洲人Europe歐洲-European歐洲（人）的；歐洲人America美洲，

2、美國-American美洲（人）的；美國（人）的；美洲人，美國人Australia澳大利亞-Australian澳大利亞（人）的；澳大利亞人Russia俄羅斯-Russian俄羅斯（人）的；俄羅斯人如：China is a developing country in Asia中國是亞洲的一個(gè)發(fā)展中國家。That man comes from Australia He is an Australian那名男子來自澳大利亞，他是澳大利亞人。3southern adj.考點(diǎn)點(diǎn)撥 southern是形容詞，意為“南方的，南部的”。對(duì)應(yīng)的名詞是south，意為“南方，南”。類似詞有：east東方，東-e

3、astern東方的，東部的west西方，西-western西方的，西部的north北方，北-northern北方的，北部的如：in the east/west/south/north ofin the easternwestern/southern/northern part of在東西南北部Shanghai is in the east of China Shanghai is in the eastern part of China.上海在中國東部。4international adj.考點(diǎn)點(diǎn)撥 international是形容詞，意為“國際的”。如：international chari

4、ties國際慈善機(jī)構(gòu)an international football match 一場國際足球比賽The Red Cross is a big international organization紅十字會(huì)是一個(gè)大型的國際組織。nation名詞，意為“國家；民族；國民”。national形容詞，意為“民族的，國家的”。如：National Day國慶節(jié)二、核心句型1. What do you usually use your computer for?你通常用你的電腦做什么？考點(diǎn)點(diǎn)撥 What do you usually use your computer for? What do you

5、usually use your computer to do?What did you do that for? Why did you do that?你為什么那么做？2.I usually use it to search for information.我通常用它來搜索信息?？键c(diǎn)點(diǎn)撥 search for尋找；搜索。后面跟具體的客體，指搜尋的東西，即search for sth。如：The police are searching for the missing girl.警方正在搜尋那個(gè)失蹤的女孩。search搜索，搜查。后面跟某個(gè)地方或人，指的是搜索的客體的媒介。如：He sear

6、ched all his pockets for his keys.他翻遍了所有的口袋找他的鑰匙。The police searched the room carefully, but found nothing.警察們仔細(xì)搜查了房間，但是什么也沒發(fā)現(xiàn)。3. Have you noticed the “Tour icon at the top of the page?你注意到頁面頂端的“旅游”圖標(biāo)了嗎？考點(diǎn)點(diǎn)撥 at the top of在上端（上部），在頂端，側(cè)重于“點(diǎn)”的接觸。如：This one should be at the top of your list.這一項(xiàng)應(yīng)該在你列表的頂端

7、。on (the) top of表示一個(gè)東西直接放在另一個(gè)東西上面（頂部），側(cè)重于“面”的接觸。如：Youd better put these books on the top of the desk.你最好把這些書放在桌子上面。反義短語：at the foot of在腳下；at the bottom of在底部。如：The village stands at the foot of the hill.那個(gè)村莊坐落在小山腳下。Fill in your address at the bottom of the application form.把你的地址填寫在申請(qǐng)表的底部。4. It has b

8、een famous for its theatres since the early twentieth century.自二十世紀(jì)初以來它就以它的劇院而聞名?？键c(diǎn)點(diǎn)撥 be famous for因而出名著名。如：Suzhou is famous for its beautiful scenery.蘇州以它的美景而聞名。Xuyi is famous for lobsters.盱眙因龍蝦而出名。5. Would you mind showing me how fo start this online tour?你介意給我演示一下如何開始這個(gè)在線旅游嗎？考點(diǎn)點(diǎn)撥 Would you mind d

9、oing？可用于客氣地請(qǐng)某人做某事。如：Would you mind opening the window, Kate?凱特，你介意開一下窗戶嗎？注意該句型的答語：Of course not當(dāng)然不（介意）。No problem沒問題。Not at All. -點(diǎn)兒也不（介意）。Sorry, I cant. Im busy. /My hands are full.抱歉，我不能。我正忙著。我手里滿是東西。Would you mind not doing？用于客氣地請(qǐng)某人不要做某事。如：Would you mind not shouting here?請(qǐng)您別在這兒大聲喧嘩好嗎？三、重點(diǎn)語法一般過去時(shí)

10、和現(xiàn)在完成時(shí)的區(qū)別一般過去時(shí)和現(xiàn)在完成時(shí)都可以表示過去發(fā)生的動(dòng)作或存在的狀態(tài)，但是在具體的語境中，它們有著明顯的區(qū)別：1用法及強(qiáng)調(diào)的內(nèi)容不同(1)一般過去時(shí)表示過去某個(gè)時(shí)間發(fā)生的動(dòng)作或存在的狀態(tài)，著重陳述過去發(fā)生的事情或存在的狀語，不涉及現(xiàn)在的情況。如：I went to the park last Sunday.上周星期天我去了公園。（著重說明“上周星期天我去公園”這件事，和現(xiàn)在無關(guān)。）(2)現(xiàn)在完成時(shí)常用于以下情況：表示從過去開始一直持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)，強(qiáng)調(diào)持續(xù)到現(xiàn)在。此時(shí)常和since或for連用。如：Li Ming has lived in Nanjing since his fa

11、mily moved there in 2000.自從2000年他家搬到南京，李明一直住在那兒。（著重說明李明住在南京是從他家搬到南京開始一直持續(xù)到現(xiàn)在。）She has been here for ten years.她已經(jīng)在這里十年了。（著重說明她在這里從過去一直延續(xù)到現(xiàn)在十年了，而且還可能一直延續(xù)下去。）表示過去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果，強(qiáng)調(diào)對(duì)現(xiàn)在造成的影響或結(jié)果。此時(shí)常和already，yet，ever，just，never等連用。如：I have had my breakfast already.我已經(jīng)吃過早飯了。（“吃早飯”這個(gè)動(dòng)作是過去發(fā)生的，對(duì)現(xiàn)在造成的影響是“我飽了，

12、我不餓”。）I have ever read this book我曾經(jīng)讀過這本書。（“讀過這本書”這個(gè)動(dòng)作是過去發(fā)生的，對(duì)現(xiàn)在造成的影響是“我知道這本書的內(nèi)容”等等。）2連用的時(shí)間狀語不同現(xiàn)在完成時(shí)跟模糊的過去時(shí)間狀語連用或不用時(shí)間狀語；一般過去時(shí)通常跟具體的過去時(shí)間狀語連用。常跟現(xiàn)在完成時(shí)連用的時(shí)間狀語有：so far，in the past ten years, up to now, sinceago, for, already, yet, ever, never, before, recently, lately等。常跟一般過去時(shí)連用的時(shí)間狀語：yesterday，last week，l

13、ast year, last month, the day before yesterday, just now, in 1980等，如：I have learned about 2, 000 English words so far.到目前為止我已經(jīng)學(xué)會(huì)了大約兩千個(gè)英語單詞。They learned 20 English words last week.上周他們學(xué)了二十個(gè)英語單詞?！究键c(diǎn)精練】一、單項(xiàng)選擇( )1.I _ a letter from my cousin Andy yesterday. Aget Bcame C received Daccepted( )2. - Could I

14、 have a day off tomorrow, sir?- _. AGood idea! BWhy not! C. What for?D. Thats right.( )3. The criminal(罪犯)was _ food when the policemen caught him Alooking Bfinding C. searching D. searching for( )4. Would you mind _ in the room, please? A. not smoke B. dont smoke C. not smoking D. no smoking二、根據(jù)句意及中文提示完成單詞1(2014濟(jì)寧)I plan to travel to several_（歐洲）countries this summer vacation.2. On June 10th, 2014