Chapter3Reading22.bedependenton=dependon/relyon依赖于……中学生不应该太依赖父母。Middleschoolstudentsshouldn’tbedependentontheirparentstoomuch.=Middleschoolstudentsshouldn’tdependon/relyontheirparentstoomuch.好的健康依赖于好的食物。Goodhealthisdependenton/dependon/relyongoodfood.3.use…fordoingsth.意为“用……来做某事”，相当于use…todosth.。如：Weusewoodformakingpaperandfurniture.我们用木头造纸、做家具。=Weusewoodtomakepaperandfurniture.另外，我们也可以用use…forsth.这样的结构。如：Shedecidedtouseitforagift.她决定用它做礼物。3.Usesth.fordoingsth./usesth.todosth用…来做某事很多人用电脑获取信息。Mostpeopleusecomputerstogetinformation.我们用键盘来输入信息。Weusethekeyboardfortypingininformation.【跟踪练习】同义句转换。每空一词。Weuseanimalfurtomakeleather.Weuseanimalfur__________leather.formaking4.Inaddition,computerscandoimportantjobslikeoperatingrailwaysandflyingplanesandspaceships.此外，计算机还能做像操控铁路系统、驾驶飞机和宇宙飞船这样的重要工作。另外，inadditionto是介词短语，后面跟名词或代词等作宾语，也意“除……之外（还）”。如：InadditiontoEnglish,hehastostudyasecondforeignlanguage.除英语外，他还得学一门第二外语。【跟踪练习】单项选择。Millieistheiryoungestchild.______,theyhaveasonandadaughter.A.InsteadB.InadditionC.AtlastD.However5.bebetterat…than是begoodat的比较级形式，意即“比…更擅长…”的意思。如：苏珊比朱迪踢足球踢得好。SusanisbetteratfootballthanJudy。befastatdoingsth.意为“做…很快”，at为介词,后接动词时须用其动名词形式。如：她很快完成作业。Sheisfastatfinishingherhomework.电脑运算速度很快。Computerisfastatcalculating.6.“makesb./sth.+形容词”意为“使某人/某物……”。与make相关的常用结构还有makesb.dosth.，意为“使某人做某事”。如：Thenicefoodmakesmehungry.这么好的食物使我饿了。Wemustmakehimworkharder.我们必须使他更加努力工作。【跟踪练习】根据所给的汉语提示，完成下列句子。书是我们的朋友，它们能使我们快乐。Booksareourfriendsandtheycan_____________.makeushappyⅠ.选择填空1.Therearemanytinycomputersinourhomes,butweareunawareofthem.A.oldB.newC.verysmallD....
