高考英语Unit 5 Meeting your ancestors 新人教版选修8.ppt

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1、Book 8Unit 5Meeting your ancestors语言点用法过关语言点用法过关1.alternative adj.可替代的 n.可供选择的事物教材原句教材原句Can you think of the alternatives we would use today?你能想出我们今天使用的可供选择的物品吗?语境应用语境应用单句改错单句改错There is no alternative for us but take immediate action to stop pollution.在在but后加后加to一句多译一句多译为了取得更大的进步,我们不得不充分利用好业余时间。(201

2、5重庆高考)In order to makegreater progress,we have no choice but to make full use of spare timecan do nothing but make full use of spare timehave no alternative but to make full use of spare time用法点拨用法点拨(1)have no alternative but to do sth.别无选择只好做某事Theres no alternative别无选择an alternative to sth.某物的替代品an

3、 alternative method of doing sth.做某事的其他方法(2)alternatively adv.可供选择地联想联想“别无选择只好做”的其他表达:have no choice but to do sth.cant do sth.but do sth.can do nothing but do sth.2.interrupt vt.&vi.打断讲话;打岔;暂时中断或中止教材原句教材原句 Im sorry to interrupt you but how could they live here?对不起,打断了你的讲话,但他们怎么会住在这儿呢?语境应用语境应用单句填空单句

4、填空Will you stop interrupting(interrupt)us when we are talking?She has kept up learning English for several years without interruption(int-errupt).When interrupted(interrupt)by a boy,the speaker was a bit angry.写作微练写作微练不要打断他们。他们正在谈论环保。Dont interrupt them.They are talking about environmental protectio

5、n.不要打扰你的弟弟,他正在学习英语。Dont disturb your brother.He is learning English.用法点拨用法点拨(1)interrupt sb./sth.(with sth.)(因某事)打断某人/某事(2)interruption n.打扰;插嘴;打岔;阻断物without interruption连续地;不断地 助记助记3.assume vt.假定;设想教材原句教材原句So we think it is reasonable to assume they lived in these caves,regardless of the cold.所以我们有

6、理由认为他们不顾严寒,就住在这些洞穴里。语境应用语境应用单句填空单句填空We are working on the assumption that everyone invited will turn up.A lot of people make the assumption that poverty only exists in the Third World.Assuming(assume)that the advice is accepted,when are we going to get the money?We are working on the assumption(assu

7、me)that it was a gas explosion.写作微练写作微练一般认为,网上投票非常方便。(2016江苏书面表达)Its generally assumed that voting on the Internet is very convenient.用法点拨用法点拨(1)assume sb./sth.to be.假定/假设某人/某事为It is assumed that.人们认为(2)assumption n.假定;假设make an assumption认为;假定on the assumption that.假定(3)assuming(that).假设/假定(引导条件状语从

8、句)1.regardless of 不管;不顾教材原句教材原句So we think it is reasonable to assume they lived in these caves,regardless of the cold.所以我们有理由认为他们不顾严寒,就住在这些洞穴里。语境应用语境应用完成句子完成句子The club welcomes all new members regardless of age.俱乐部对所有新成员不分年龄一律欢迎。In spite of/Despite his old age,he still leads an active life.尽管年事已高,他

9、依旧过着一种忙碌的生活。句型转换句型转换No matter how old you are,you can sign up for the match.You can sign up for the match regardless of age.Although there are difficulties,we will arrive at the destination on schedule.Despite difficulties,we will arrive at the destination on schedule.写作微练写作微练尽管你反对,我也要继续实施这项计划。Despi

10、te your objection,I will continue to carry out the plan.用法点拨用法点拨(1)regardless of“不管,不顾”,表示某事不重要,从而不加以重视或考虑,其后可接whether,what引导的从句。(2)despite/in spite of意为“尽管”,其后一般不接从句,但可以接the fact that.。2.date back to追溯到;起始于教材原句教材原句All the objects are from the same excavation site in Sanxingdui and can be dated back

11、 to between 3,000 and 5,000 years ago.所有的物品都来自三星堆的一个挖掘点,时间可以追溯到3,000年到5,000年前。语境应用语境应用单句改错单句改错My interest in stamp collecting dates back my schooldays.back后加后加toAccording to the expert,the temple has a history date from the early Tang dynasty.datedating完成句子完成句子They have set a date for their wedding.

12、他们已经确定了婚礼的日期。写作微练写作微练我不想买这件外套,它的款式过时了。I dont want to buy this coat.Its style is out of date.用法点拨用法点拨(1)date back to(=date from)常用于一般现在时;不用于被动语态。常用其现在分词形式作后置定语(2)set a date for确定的日期up to date新式的,现代的out of date过时的,过期的1 If only.要是就好了教材原句教材原句If only it could be just like last year!要是能像去年那样就好了!语境应用语境应用单句

13、填空单句填空I paid 200 yuan for speeding.If only I had respected(respect)the traffic rules.It sounds like something is wrong with the cars engine.If so,wed better take it to the garage immediately.Get up early tomorrow morning.If not,you will miss the first bus.The old store enjoys a good reputation in th

14、is area.I cant agree more.There are very few,if any,complains about their service.写作微练写作微练只有每个人关注我们的环境,我们的地球才不会被污染得那么严重。Only if everyone cares about our environment can our earth not be pollutd so much.要是我不参加会议就好了。(2016课标全国)If only I would not attend the meeting.单句改错单句改错I am going to visit some home

15、s for the old in our city,if possibly,in the coming summer holiday.possiblypossible用法点拨用法点拨If only+句子,句子使用虚拟语气:“If only+一般过去时的句子”表示对现在的虚拟,be动词用were“If only+主语+would+动词原形”表示对将来的虚拟“If only+过去完成时的句子”表示对过去的虚拟点津点津only if“只要”,引导条件状语从句,位于句首时主句用部分倒装。联想联想if possible如果可能的话if necessary如果必要的话if so如果是这样的话if not如

16、果不if any如果还有(某物)的话if ever如果(某事)曾发生过的话2.only to do作结果状语教材原句教材原句Abruptly she sat down,only to be scooped up by her laughing,shouting sister,Luna.她突然坐了下来,结果被爱吵闹的妹妹露娜一把抱了起来。语境应用语境应用单句填空单句填空After school we went to the reading room to do some reading,only to be told(tell)that it was being decorated.Water

17、can absorb and give off a lot of heat without big changes in tem-perature,thus creating(create)a stable environment.一句多译一句多译他年龄太小了,不能一个人去上海。He is too young to go to Shanghai alone.(too.to.)He is not old enough to go to Shanghai alone.(.enough to do)用法点拨用法点拨(1)only to do.意为“不料(却),结果(却)”,表示一个没有料到的结果。(2)现在分词作结果状语从句常常表示一个意料之中的结果。联想联想动词不定式作结果状语的特殊用法:too.to.太而不能.enough to do够去