八年级上册单词巧记+句型语法剖析Unit1Howoftendoyouexercise三点剖析单词·巧记·典句·考点hardly[]adv.几乎不;几乎没有【巧记提示】hard(坚硬的,困难的)+-ly(副词后缀)【经典例句】Hardlyanybodycame.几乎没有人来。【考点聚焦】1)注意在反意疑问句中的特殊用法。如:Shehardlyeatsanything,doesshe?她几乎什么都不吃,是吗?2)与hard的区别。试比较:Studyhard,andyou’llsucceed.努力学习,你就会成功。Shehardlystudies,soshefailsintheexam.她从不学习,因此考试不及格。3)注意hardly在句子中的位置。放在主语之后,实义动词之前。【活学活用】1.请给出同样的构词法得来的词,越多越好。答案:carefully,quickly,quietly,slowlyever[]adv.曾;曾经【巧记提示】ever→never(决不)【经典例句】Heiseverreadytohelpothers.他是一个活雷锋。【考点聚焦】1)多用于否定句、疑问句、条件状语从句中,相当于atanytime。2)注意其在句子中的位置。放在主语之后,实义动词之前。3)在书信末尾亲切并且不拘礼的表达:如:Yoursever你永远的……twice[]adv.两次;两倍【巧记提示】twice→twin(使成对)【经典例句】Twicetwoisfour.二二得四。【考点聚焦】1)twice表示“两次”时,不和time连用。2)在表示“一两次”时,要用or连接。即:onceortwice3)还可以用来表示倍数。【活学活用】2.1)译句子我学习比你努力一倍。2)对画线部分提问Hegoestothecinematwiceamonth.答案:1)Istudytwiceashardasyou.2)Howoftendoeshegotothecinema?once[]adv.一次【巧记提示】once→one(一个),一次一个人【经典例句】Igotoseeafilmonceaweek.我每周看一场电影。【考点聚焦】1)常用于讲故事,相当于longlongago。2)表频率。如:onceayear,onceaweek,onceamonth3)常见的短语有atonce立刻;onceagain再一次。【活学活用】3.选择—Howoftendoyougohome?—.A.OneaweekB.OnceC.OneD.Onceaweek答案:Dhealth[]n.健康;健康状况【巧记提示】heal(冶愈)v.+-th(名词后缀)【经典例句】Healthisbetterthanwealth.健康胜于财富。【考点聚焦】1)同根词:healthyadj.健康的;healthilyadv.健康地2)相关的短语:beingood/poorhealth身体好(不好);drinksb.’shealth举杯祝某人健康【活学活用】4.(2010淄博模拟模拟)根据首字母补全单词Youmustlearntoeathandtakeexerciseregularly.答案:healthilydifference[]n.不同;区别;差异【巧记提示】differ(不同)+-ence(名词后缀)【经典例句】Therearemanydifferencesamongbrothersandsisters.一母有百子,个个都不同。【考点聚焦】1)它的形容词为different;2)difference是可数名词。【活学活用】5.选择Isherlifestylethesameasyoursor?Whatarethe?A.difference;differentB.different;differenceC.different;differences答案:Cunhealthy[]adj.不健康的;不益于健康的【巧记提示】un-(否定前缀)+healthy(健康的)【经典例句】IthinkI’mkindofunhealthy.我想我就属于不健康类的人。【考点聚焦】1)反义词healthy2)常作定语,如:Ihaveanunhealthyhabit.3)注意加前缀un变否定形式的词。如:unusual,unkind【活学活用】6.翻译句子我的不健康的生活方式导致我的成绩糟糕。答案:Myunhealthylifestylemakesmegetbadgrades.although[]conj.虽然;即使;纵然【巧记提示】al+though(虽然)【经典例句】Theyaregenerousalthoughtheyarepoor.尽管他们穷,却很慷慨大方。【考点聚焦】1)although,though区别小,though用于非正式语体中。2)当句中有but时,就不能再用although或though。【活学活用】7.1)翻译句子虽然他身体不好,但他努力工作。2)选择itisrainytoday,hestillworksoutside.A.Although;butB.But;althoughC./;althoughD.Although;/答案:1)Heisinpoorhealth,butheworkshard.(Althoughheisinpoorhealth,heworkshard.)2)D短语·典句·考点howoften多久一次【经典例句】Howoftendoyouexercise?你多久锻...