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1、Unit 2 Fit for lifeWelcome to the unitUseful wOTdian eye doctor = an optician ?pti ?na dentista person who takes care of people s teetha physicia na pers on who has gen eral skill to treat physical problemsa surge ona pers on who performs medical operati onsImportant wordsoperatev. I to cut ope n sb
2、s body in order to remove a part that has a disease or to repair a part that is damagedThe doctors operated last ni ght.We will have to operate on his eyes.to operate for suspected acute appe ndicitisAre they going to operate on him? 他们打算给他做手术吗？v. I or T to (cause to) work, be in action or have an e
3、ffectThe medicine began to operate at once. 药马上开始见效. Solar pan els can only operate in sun light. (figurative) Some people can only operate well un der pressure.ever(1) at any time 曾；曾经：Have you ever been to Lon do n?你去过伦敦吗？He is seldom, if ever, absent from school. 他简直从不缺课.(2) at any time (before/u
4、p till now)在任何时候(之前 直至现在)Its raining harder than ever. 雨下得更大了 .* This is the best work youve ever done.这是你所做的最好的工作.* He hated her more than ever, when he got that letter.他接到那圭寸信後,越发憎恨她了 .(3) continuously 总是;不停地:He is ever repeating the same old story. 他老是老调重弹.(4) for all time:I like the house but I dont imagi ne r II live there forever.我喜欢这所房子,但我没有想象我将永远住在那儿.(5) continually since that time:Hes bee n depressed ever si nee he got divorced.自从他离婚以来他一直很抑郁.ever since:从以来than ever (before):比过去任何时候
