2020版高考英语一轮复习Book8Unit5Meetingyourancestors课件新人教版

◆单句改错 ②There is no alternative for us but take immediate action to stop pollution.
在but后加to
◆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。
In order to make greater progress, we
2.date back to 追溯到……;起始于…… 教材原句 ①All the objects are from the same excavation site in Sanxingdui and can be dated back to between 3,000 and 5,000 years ago.
◆完成句子 ④They have set a date for their wedding. 他们已经确定了婚礼的日期。 ◆写作微练 ⑤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 Its style is out of date.
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
Book 8 Unit 5 Meeting your ancestors
重点单词
1.alternative adj.可替代的 n.可供选择的事物 教材原句 ①Can 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?
◆写作微练 一般认为,网上投票非常方便。(2016江苏书面表达) ⑤ It's generally assumed that voting on the Internet is very convenient.
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)
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]
3.assume vt.假定;设想 教材原句 ①So we think it is reasonable caves, regardless of the cold.
◆完成句子 ②The 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。 ③ In 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。
③be of value=be valuable ④be of significance=be significant ⑤be of importance=be important
重点短语
1.regardless of 不管;不顾 教材原句 ①So we think it is reasonable to assume they lived in these caves, regardless of the cold.
点拨 (1)be of significance to...对……有重要意义 attach significance to...认为……重要 (2)significant adj.重要的;明显的 It is significant that很明显……(从句用should do结构) [联想] 常用“be+of+抽象名词”的短语: ①be of use=be useful ②be of help=be helpful
⑤ have no alternative but to make full use of spare time .(alternative)
◆完成句子 恐龙的灭绝不一定是由于天体的碰撞,但也难以找到别的解释。 (2017 江苏) ⑥The disappearance of dinosaurs is not necessarily caused by astronomical incidents. But alternative explanations are hard toห้องสมุดไป่ตู้find .
◆单句改错 ②My interest in stamp collecting dates back my schooldays. back后加to ③According to the expert, the temple has a history date from the early Tang Dynasty. date→dating
4.significance n.意义;意思;重要性;重要意义 教材原句 ①His university was aware of the significance (significant) of his work.
◆单句填空 ②With time going by, I attach great significance to reviewing (review) what I have learned. ③Less tiring than painting your walls and less expensive than buying a colorful sofa, small color choices bring with them the significant (significance) benefit of being easily changeable.(2018课标全国Ⅰ)
③ have nochoice but to make full use of spare time .(choice)
④ can do nothing but make full use of spare time .(can do nothing)
◆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 the 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.
2.interrupt vt.& vi.打断……讲话;打岔;暂时中断或中止 教材原句 ① I'm sorry to interrupt (interrupt) you but how could they live here? ◆单句填空 ② Interruptions (interrupt) are one of the worst things to deal with while you're trying to get work done. (2017课标全国Ⅱ) ③When interrupted (interrupt) by a boy, the speaker was a bit angry.
◆句型转换 ④No matter how old you are, you can sign up for the match. →You can sign up for the match regardless of age . ⑤Although 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 我坚信我们越多地了解这个名言的意义,我们在日常学习和工作中就会 获益越多。 ⑤I firmly believe that the more we are aware of the significance of this famous saying , the more benefits we will get in our daily study and work.
to assume (assume) they lived in these
◆单句填空 ②We are working on the assumption that everyone invited will turn up. ③ Assuming (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.
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] “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.。
◆写作微练 ⑥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.
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...。
◆句式升级 ④Forming good habits is very important for a person's growth as well as success. →Forming good habits is of great significance for a person's growth as well as success.
重点句型
1.If only...要是……就好了 教材原句 ①If only it could be just like last year!
◆单句填空 ②I paid 200 yuan for speeding. If only I had respected (respect) the traffic rules. ③It sounds like something is wrong with the car's engine. If so , we'd better take it to the garage immediately. ④Get up early tomorrow morning. If not , you will miss the first bus. ⑤—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.