1單元
Grammar
1.Revisionofthepresenttenses
(1)IliveinShijiazhuang,acitynotfarfromBeijing.
(2)Theteacherswriteonthecomputer,andtheirwordsappearonthescreenbehindthem.
(3)HethinksitisgoodtostudyChinese.
2.Adjectivesendingin–ingand–ed
2單元
Grammar
Verbsfollowedby–ing:
advise(建議),admit(承認(rèn)),appreciate(感激),avoid(避免),can'thelp(禁不住),consider(考慮),delay(推遲),enjoy(欣賞),escape(逃脫),finish(完成),imagine(想象),keep(on)(繼續(xù)),mind(介意),practice(練習(xí)),suggest(建議),miss(錯(cuò)過),feellike(意欲),devote...to(把……獻(xiàn)給),getusedto(習(xí)慣于),lookforwardto(期望),objectto(反對(duì)),setabout(開始),putoff(推遲)等。
3單元
Grammar
1．The–edform:作定語
（1）Trainedcamelscarriedfoodandothersupplies.
（2）Weategreatmealscookedbyexperts.
2．Pasttensetimeexpressions:
alongtimeago---;Duringtheday---;Onenight---;Atmidnight---;In1989---;Recently---andsoon.
4單元
Grammar
Presentperfecttense
(1)I’veseenquitealotofChina.
(2)Theyhaveputupalotofhigh-risebuildingrecently.
(3)They’vejustcompletedit.
(4)We’vestartedaholidayclubforchildren.
(5)I’veworkedforitforfouryearsnow.
Adverbialphraseusedwiththepresentperfecttense:sofar;uptonow;tillnow;---
5單元
Grammar
Degreeofcomparison
(1)Theearthisforty-ninetimesaslargeasthemoon.
(2)TomweighstwiceheavierthanLily.
6單元
Grammar
1.Compoundwords
(1)CompoundNouns:keyboard,hardware,network,newspaper,high-speed,CD-ROM,baby-sitter,warm-up,computersystem,searchengine,mobilephone,postoffice---
(2)CompoundAdjectives:
good-looking,kind-hearted,middle-aged,duty-free---
2.Definiteandzeroarticles
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