牛津7A Unit4 知识点讲解和练习.doc

◎7AUnit4Food【单元学习重点和要求】一、语音1.单词重读`hamburger`hungry`energy`never`exercise`vegetable`dancer`tired`healthy`diet`seldom`often`lifestyle`person`power`water`sour`salty`vinegar`lemon`hotpot`roller`skating`noodle`story`mango`carrot`favoritekilo`pancake`biscuit`total`partner`supermarket`calory`vitamin`peanutim`portantice`creampi`anopo`tatoto`matoover`allquestion`nairecongratu`lationa`mount2.不完全爆破par(t)nerIwal(k)tomybowlmanytimesaday.Wha(t)fooddoyoulike?Iwan(t)tobeadancer.Ige(t)tiredwhenIdance.Inee(d)lotsofenergytodance.3．句子重音和语调Doweneedtobuysome↗vegetables?Arewegoingtohavesome↘fruit?Whatdoweneedto↘buy?Howoftendoyouwalkto↘school?二、词汇1.单词hungry,need,never,exercise,hate,vegetable,dancer,tired,important,healthy,change,before,seldom,fruit,sweet,often,bread,meat,top,fast,juice,person,water,dry,story,icecream,glass,tea,ofcourse,favorite,kilo,salt,tomato,soup,lessthan,not…atall,try,feel,luck,supermarket,carry,large,takein,mean,fat,stay,taste.2.词组takemoreexercise多锻炼walktoschool步行上学threetimeaweek每周三次keephealthy保持健康jointhearmy参军theloveofone’scountry爱国心wanttobe想成为……playcards玩牌playgames做游戏get…from…从……获得（得到）……wouldlike(sb.)todosth想要（某人）干某事lessthan不到howmuch/many多少keepfit保持健康notatall根本不；一点也不feelworried感到忧虑Goodluckwithsth/tosb祝好运bebusydoingsth忙于干……；givesbsth.=givesthtosb给某人某东西三、日常用语Weneedaneggandatomatoforthesoup.我们需要一只鸡蛋和一个西红柿做汤。Wouldyoulikeaglassofwater?你想要杯水吗？Let’smakeapancake.我们做个薄煎饼吧。Howtokeepfit?怎样保持身体健康？四、语法1．频率副词。频率副词告诉你事情每隔多久发生一次。never0%从不seldom20%很少sometimes40%有时often60%经常usually80%通常always100%总是①表示频率的副词在句子中放在动词之前，be动词之后。例如：Ialwaysplaybasketballwithmyclassmatesafterschool.放学后我总是和同学们打篮球。Mikeisalwayshappy.麦克总是开心。②表示频率的副词提问，用howoften。例如：HowoftendoyouwatchTV?你多长时间看一次电视？Twiceamonth.一个月两次。2.名词（可数名词和不可数名词）在英语中，名词分为不可数名词和可数名词两大类。不可数名词就是没有复数的名词；可数名词就是有单数和复数之分，两个以上的名词要用名词的复数形式。一个人或事物为单数，两个或两个以上是复数。可数名词变为复数形式的规则如下:①一般情况是在单数可数名词后加“-s”,如apen→pens,asister→sisters.②以s,sh,ch,x等结尾的单词，变复数形式需加“-es”，如：abus→buses,adish→dishes,awatch→watches,abox→boxes.③以f,fe结尾的名词，变复数形式需将f,fe变为ves,如：aknife→knives,aleaf→