2015年高考英语一轮复习 苏莹生PPT.ppt

归纳总结 protect...from...意为： 。 (1)protect against和protect from意思相似，有时 可互换，但是，对于较大的事情，如：敌人的入侵、 天灾等，常用protect against,对于较小的事情常用 protect from。 (2)在protect...from/against...结构中，from和 against后面常跟sth.,有时against后跟being done 来强调动作的被动性。 (3)主动句中prevent/stop...from...中的from可省 略，在被动句中from不可省略，而keep...from...中 的from无论在主动句还是在被动句中都不能省略。 (4)prevent/keep/stop sb./sth.from doing sth.阻止 某人做某事/阻止某事发生 保护……不受……(危害) 即学即用 （1）He is wearing sunglasses to his eyes from the strong sunlight. A.protect B.hold C.stop D.prevent （2）The umbrella can you from the rain. A.stop B.prevent C.protect D.keep A C 用所给动词的适当形式填空 （3）We young people should do something we can (keep) the sea (pollute). to keep from being polluted 7.die out As a result these endangered animals may even .(回归课本P25) 观察思考 Many traditional customs have died out because they are out of date. 因为已经过时，许多传统风俗正逐渐消失。 The fire is dying out.You’d better add some firewood. 火快灭了，你最好添点柴火。 die out 归纳总结 die out意为： 。 die away（声音、光线、风等）渐渐消失 die down平息；（渐渐）熄灭；缓和 die off（家族、种族等）相继死亡；（草木等）先 后枯死 die of/from死于…… be dying for sth./to do sth.极想得到某物/渴望 做某事 灭亡，灭绝；逐渐消失 即学即用 (1)现在的英语与500年前的英语已大不相同，有一 些甚至会在今后完全消失。 The English of today is very different from the English of 500 years ago.In time,some even completely. (2)随着汽车越走越远，马达声渐渐消失。 The sound of the engine as the car drove into the distance. die out died away 8.come into being They lived on the earth tens of millions of years ago,long before humans ...(回归课本P30) 观察思考 We don’t exactly know when the universe came into being. 我们不确定宇宙是何时形成的。 The Irish Free State came into being in 1922. 爱尔兰自由邦成立于1922年。 came into being 归纳总结 come into being意为： 。 come into effect/force/operation开始生效/执行 /实施 come into existence开始存在 come into fashion开始流行，风靡 come into action开始行动 come into office就职 come