Unit 18 Inventions总复习重点句及词组考查.doc

Unit18InventionsSectionI课前准备、听力、。()▲throw(threw,thrown)(1)投,抛,。(2)摔倒……。(3)发射,射Chinahasthrowasatelliteintospacerecent-。辨析:throw......“把某物扔向某人”,其目的在于“传递”()介词to纯粹表示行为的方向,其动机是善意的;“把某物打向某人”,其目的在于“打”(=trytohitsb.)。介词at表示动作在于企图攻击的目标,其动机是恶意的。如:Hethrewtheballatme.(=trytohitme)他扔球打我。Hethrewtheballtome.(=formetocatch)他把球传给了我(=Hethrewmetheball.)辨析:throw与castthrow是普通用词,使用频率高,它指用力抛掷这一行为。cast比throw正式,指迅速扔出一重量较轻的物体。经常用作比喻或无意识行为,在某些成语及特殊用语中须用cast,“撒网”;castavote“投票”;castanchor“抛锚”等等。如:Willyoumove,please?You'recasting(throwing)?你的影子正好投射在我的书上。。。拓展:throwoneselfinto积极从事;throwaway扔掉;throwabout乱丢;乱扔(东西);throwback扔回;throw…at…朝……扔,向……砸去;throwoff匆匆脱掉throw...to...把……传给……;把……摔倒;throwout扔出;逐出;throwaside扔在一旁;。()▲save(1)、。。辨析:save与rescue:save与rescue两者都有“营救”之意;但save侧重于“保全”之意,而rescue则侧重于“从囚禁中救出”之意。如:Inordertosavethecountry,。。(2)节省;储蓄Don'tspendallyourmoney,savesomeofitforfutureu