2019版高考英语一轮复习 Unit 5 Meeting your ancestors课件 新人教版选修8.ppt

Book 8　Unit 5　Meeting 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①There 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2015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There’s no alternative别无选择an alternative to sth.某物的替代品an 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.can’t 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 I’m 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填空①Will you stop interrupting (interrupt) us when we are talking? ②She has kept up learning English for several years without interruption (int- errupt).③When interrupted (interrupt) by a boy, the speaker was a bit angry. 写作微练写作微练④不要打断他们。

他们正在谈论环保Don’t interrupt them. They are talking about environmental protection.⑤不要打扰你的弟弟,他正在学习英语Don’t 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①We are working on the assumption that everyone invited will turn up.②A lot of people make the assumption that poverty only exists in the Third World.③Assuming (assume)that the advice is accepted, when are we going to get the money?④We are working on the assumption (assume)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)⑤It’s 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①The 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②In spite of/Despite his old age, he still leads an active life.尽管年事已高,他依旧过着一种忙碌的生活。

句型转换句型转换③No matter how old you are, you can sign up for the match.→You can sign up for the match regardless of age.④Although 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⑤尽管你反对,我也要继续实施这项计划Despite 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 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①My interest in stamp collecting dates back my schooldays. back后加后加to②According to the expert, the temple has a history date from the early Tang dynasty. date→dating完成句子完成句子③They have set a date for their wedding. 他们已经确定了婚礼的日期写作微练写作微练④我不想买这件外套,它的款式过时了I don’t 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填空单句填空①I paid 200 yuan for speeding. If only I had respected (respect) the traffic rules.②It sounds like something is wrong with the car’s engine. If so, we’d better take it to the garage immediately.③Get up early tomorrow morning. If not, you will miss the first bus.④—The old store enjoys a good reputation in this area.—I can’t agree more. There are very few, if any, complains about their service.写作微练写作微练⑤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. ⑥要是我不参加会议就好了2016课标全国Ⅱ)If only I would not attend the meeting.单句改错单句改错⑦I am going to visit some homes for the old in our city, if possibly, in the coming summer holiday. possibly→possible用法点拨用法点拨If only+句子,句子使用虚拟语气:①“If only+一般过去时的句子”表示对现在的虚拟,be动词用were②“If only+主语+would+动词原形”表示对将来的虚拟③“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①After school we went to the reading room to do some reading, only to be told(tell) that it was being decorated. ②Water 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③He is too young to go to Shanghai alone.(too...to...)④He 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……。