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e./No , Ihaven’ ...yet? — Has Tina read Treasure Island yet? — Yes, she thinks it’s you like...? Would you like something to drink? heard...I heard you lost your ....came to realize how much...She came to realize how much she actually missed all of 9 Have youever been to a museum?一、重點(diǎn)短語 night a more natural environment year round far from thedark the past been to museum somewhere different skating the subway great way to spend a Saturday afternoon the old movie cameras about the weekend in the mountains up a tent sucha rapid way kinds of of toilets groups tea art performances a perfect cup of tea with beautiful tea sets nice place to enjoy tea of Museum of Toilets Terracotta Army Asia Safari quarters Englishspeaking country problem the daytime couple of times now amusement park with a special theme around the park of a ride province Bird’s Nest do the one hand...on the other 、重點(diǎn)句型翻譯 you ever been to...? Have you ever been to a science museum?’s...Let’s go somewhere different ’s~~adj.+that...It’s unbelievable that technology has progressed in such a rapid way!..., you,...Whether you like Indian food,Western food or Japanese food, you’ll find it all in Singapore! great thing..is that..One great thing about Singapore is that the temperature is almost the same all year is best to do sth..It is best to visit Singapore all year I ’ve had this bike for three 、重點(diǎn)短語 days with great interest order to far need..anymore to sp_ out games last thing high school out longer monkey with be honest a bike a yard sale’s old things back sweet memories away for a while with... for work the last 13 years mid20th century the same to one’s opinion my time二、重點(diǎn)句型翻譯 long have you...? How long have you had that bike over there?’s owned itsince his fourth … Others...Some people still live in their ,others may only see it once or twice a for me, I did not want to give up my football shirts, but, to be honest,I have not played for a while you ever thought about having a yard sale to sell your things? would you do with the money you raise?第二篇:新人教八年級(jí)下冊(cè)英語unit8知識(shí)點(diǎn)及練習(xí)題新人教版八年級(jí)英語(下)Unit8單元知識(shí)講解及練習(xí)Unit8 Have you read Treasure Island yet?知識(shí)點(diǎn)撥一、重點(diǎn)短語 page 25 在第2 5 頁 back of the book 書的背面 u rry up 趕快。/ 不,我沒有。她覺得它很棒。5....came to realize how m uch...She came to realize how much she actually missed all of ,事實(shí)上她是多么想念他們所有的人。()1.— Bill hasn’t finished reading Treasure Island about you? — I’ve read it then now () isn’t think he _______ gone to been to () told us to do it to do to do to do it()4.—Have you ever been to Shanghai? —Yes, I ______ there last been gone been()5.—Where is your father? —He _____ Australia and he _______ Sydney for two been to。has been in been in。has been to() took up my cell phone and made a long distance call as if the phone _____him to belonging to belonged to been belonged to()7.— Could you please water the flowers in the garden? — Oh, I no time ’t watered them watered them do it tomorrow(books 。to 。to() my lost wallet everywhere but I couldn’t for。look found。正確的在題號(hào)前括號(hào)內(nèi)寫“T”,錯(cuò)誤的寫“F”?!窘馕觥空w理解題 從文中可知漁夫并沒有捉住金魚三次。從第二段的““Thank you, but I don’t want anything,” the fisherman put the golden fish back into the sea.”可知漁夫抓住金魚之后,就把它放了。漁夫的妻子每次都不滿意。 【解析】細(xì)節(jié)理解題 從最后一段的“The golden fish swam away without saying anything.”可知答案。背 景 ; 。參考詞匯:enter society 進(jìn)入社會(huì),sense of thanks 感恩意識(shí),behavior 行為 :80詞左右。Good morning, boys and girls!The topic of my speech today is “Learn to express thanks”.In the future, we should never forget our society, parents, teachers and present, we should study harder to make our world more you for your listening第三篇:滬教版八年級(jí)物理全冊(cè)知識(shí)點(diǎn)物理八年級(jí)滬科版第一、二章知識(shí)要點(diǎn)第一章 打開物理世界的大門哥白尼提出了日心說。牛頓與牛頓三大定律。玻爾是量子力學(xué)的奠基人??茖W(xué)探究的基本過程:(1)提出問題(2)猜想與假設(shè)(3)制定計(jì)劃與設(shè)計(jì)實(shí)驗(yàn)(4)進(jìn)行實(shí)驗(yàn)與收集證據(jù)(5)分析與論證(6)評(píng)估(7)交流與合作。機(jī)械運(yùn)動(dòng)(1)定義:一個(gè)物體相對(duì)于另一個(gè)物體位置的改變。(3)運(yùn)動(dòng)和靜止是相對(duì)的。比s小的有ms、μs。用刻度尺測(cè)長(zhǎng)度(1)使用前三認(rèn)清:①認(rèn)清是否磨損 ②認(rèn)清量程 ③認(rèn)清分度值(2)正確使用方法:①(放尺)刻度尺要放正,要緊靠被測(cè)物體 ②(看尺)讀數(shù)時(shí)視線要與尺面垂直 ③(讀尺)要估讀到分度值的下一位,并記下單位 ④多次測(cè)量取平均值。三、快與慢(速度)物理意義:速度是表示物體運(yùn)動(dòng)快慢的物理量。國(guó)際單位:m/s,常用單位km/h,換算關(guān)系 1m/s=公式:v=s/t,變形公式 s=vt,t=s/v。(2)變速直線運(yùn)動(dòng):速度變化的直線運(yùn)動(dòng)。用v=s/t計(jì)算。①方向相同時(shí),相對(duì)速度v=v1v2;②方向相反時(shí),相對(duì)速度v=v1+ v2。探究?jī)?nèi)容:小球沿斜面的速度是否變化,如何變化。物理八年級(jí)滬科版第三章知識(shí)要點(diǎn)第三章 聲的世界一、聲音的產(chǎn)生與傳播聲音的產(chǎn)生(1)聲音是由物體振動(dòng)產(chǎn)生的。聲音的傳播第2頁(1)聲音的傳播需要介質(zhì),真空不能傳聲。(3)聲音以波的形式向外傳播。人耳能辨別出回聲的條件:。(2)樂音的特性(3個(gè))①響度A、定義:響度指聲音的強(qiáng)弱。②音調(diào)A、定義:音調(diào)指聲音的高低。③音色A、定義:音色又叫音品,反映了聲音的品質(zhì)與特色。噪聲(1)定義:無規(guī)律的,難聽刺耳或污染環(huán)境的聲音叫噪聲。(3)危害:噪聲對(duì)人們心理和生理都會(huì)有傷害。(4)防止辦法:①、在聲源處減弱;②、在傳播過程中減弱;③、在人耳處減弱。(2)特點(diǎn):頻率高,穿透力強(qiáng),“破碎”能力強(qiáng)。(超聲診斷儀、超聲金屬探傷儀、超聲雷達(dá))次聲(1)定義:頻率低于20HZ的聲波叫次聲。(3)應(yīng)用:預(yù)防自然災(zāi)害,軍事探測(cè)等。(1)天然光源如:太陽、螢火蟲。光的直線傳播(1)條件:光在同種均勻介質(zhì)中沿直線傳播。(3)光速:真空中是3108m/s。光的反射定律:反射光線與入射光線、法線在同一平面內(nèi);反射光線與入射光線分別位于法線的兩側(cè),反射角等于入射角。面鏡(1)平面鏡①成像原理:光的反射。③應(yīng)用:①、成像(穿衣鏡)②、改變光路(潛望鏡)。第4頁(二)凸面鏡 ①、光學(xué)性質(zhì):對(duì)光有發(fā)散作用;②、應(yīng)用:汽車后視鏡。折射規(guī)律:折射光線、入射光線和法線在同一平面內(nèi),折射光線和入射光線分別位于發(fā)現(xiàn)兩側(cè)。光從空氣斜射入水中(或其他透明介質(zhì))時(shí),折射角小于入射角,光從水中(或其他透明介質(zhì))斜射入水中時(shí),折射角大于入射角。折射現(xiàn)象:池水看起來變淺、海市蜃樓等。色光三基色:紅、綠、藍(lán)。顏色(1)透明體的顏色決定于物體透過的色光。(2)不透明體的顏色決定于物體反射的色光。五、科學(xué)探究 凸透鏡成像凸透鏡:對(duì)光有會(huì)集作用。凹透鏡:對(duì)光有發(fā)散作用。凸透鏡成像(1)原理:光的折射。②當(dāng)物距等于兩倍焦距時(shí),成等大、倒立的實(shí)像;像距位于兩倍焦距處。④當(dāng)物距等焦距時(shí),不成像;⑤當(dāng)物距小于焦距時(shí),成放大、正立的虛像。(2)成像原理:當(dāng)物距大于兩倍焦距時(shí),凸透鏡成倒立、縮小的實(shí)像。②矯正:利用凹透鏡來矯正。第5頁②矯正:利用凸透鏡來矯正(3)眼鏡的度數(shù)=100/f(f以米作為單位)七、神奇的“眼睛”放大鏡的成像原理:物體在焦距以內(nèi),凸透鏡成正立、放大的虛像。②成像原理:物鏡成倒立、放大的實(shí)像,目鏡相當(dāng)于普通放大鏡,把實(shí)像再次放大成虛像。②成像原理:物鏡成倒立、縮小的實(shí)像,目鏡相當(dāng)于普通放大鏡,把實(shí)像再次放大成虛像。②成像原理:當(dāng)物距大于兩倍焦距時(shí),凸透鏡成倒立、縮小的實(shí)像。②成像原理:當(dāng)物距在焦距與兩倍焦距之間時(shí),凸透鏡成倒立、放大的實(shí)像。力的作用是相互的。(2)力可以使物體的運(yùn)動(dòng)狀態(tài)發(fā)生改變。力的單位:牛頓,符號(hào):N力的示意圖:在受力物體上沿力的方向畫一條帶箭頭的線段,表示物體在這個(gè)方向上所受的力,這種表示力的形式叫力的示意圖。(2)條件:①物體相互接觸 ②必須發(fā)生形變第6頁彈簧測(cè)力計(jì)(1)用途:用來測(cè)量力的大小的工具。(3)原理:在彈簧的彈性限度內(nèi),彈簧受到的拉力越大,彈簧的伸長(zhǎng)越長(zhǎng)。四、重力(G)重力的概念:由于地球?qū)ξ矬w的吸引而產(chǎn)生的力。②不規(guī)則物體的重心采用懸掛法、支撐法。影響摩擦力大小的因素(1)壓力大??;(2)接觸面的粗糙程度。(2)減小摩擦方法: ①減小壓力②減小接觸面的粗糙程度。④使接觸面脫離接觸(加潤(rùn)滑油、充氣墊)。牛頓第一定律又叫慣性定律。知道慣性:物體保持靜止或勻速直線運(yùn)動(dòng)狀態(tài)不變的性質(zhì)叫慣性。二、力的合成合力的概念:如果一個(gè)力產(chǎn)生的效果跟幾個(gè)力共同作用產(chǎn)生的效果相同,這個(gè)力就叫做那幾個(gè)力的合力。F=F1+F2(2)同一直線上,方向相反的兩個(gè)力的