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八年级下册第八单元知识点一．词汇1.treasuren,“财富，”不可数；“珠宝，金银财宝，宝贵人才”可数及物动词“珍视，珍惜”2.pagen,“面，页”apagefromhisdiaryPageOne3.Hurry#vi“匆忙，赶忙”+to+地点“匆忙去某地”HurrytodosthHurryoverto地点Hurryoff#hurryn,“匆忙，急忙”inahurry“匆忙地”修饰动词Iwenttoschoolinahurry.#Thereisnohurry===nohurry不着急，别慌4.towards===toward与tod区别Towards只表示方向，不表示到达“朝...向...”，to不仅表示方向，更表示到达“到”5.AbroadAdv‘到国外，在国外’前面不加介词，作定语，后置定语。Iwanttogoabroadforfurtherstudy.6.belongvi+to属于-----+名词、人称代词宾格。不加名词所有格，物主代词。Thisbookbelongstome.===Thisbookismine/Thisismybook.7.introdusesbtosb二.短语1.Befullof2.Writeabout3.Finishdoingsth4.Putdown5.Choosetodosth6.Onpage257.Thebackof8.Hurryup9.In+时间段10.Bringback11.Loseone’slife12.Giveup13.Waitfor14.Learntodosth15.Seesbdoingsth16.Teachsbsth17.Fightover18.Studyabroad19.Thinkabout20.Cometorealize21.Eversincethen22.Beafanof23.Belongto24.Eachother==oneanother25.Thebeautyofnature26.Hasbeento27.Dosomeresearchon三.现在完成时#用法表示过去的动作和现在的关系1.影响关系：过去已经结束的动作对现在产生了影响，标志词：already,yet,just,ever,never,before,sofar,Ihavealreadyhadlunch.HavebeentoHavegoneto2.延续关系过去开始的动作一直持续到现在，--多长时间。+for+时间段；+since+时间点、时间状语从句#多长必须是延续性动词。#构成：Have/has+过去分词#句型转变疑问句---提前助动词否定句---助动词+notHehasreadthebookalready.---Hashereadthebookyet?--Yes,hehas./No,hehasn’t./=notyet.