Unit 5 Meeting your ancestors Learning about Language 课件（25张）

课件25张PPT。Learning about languagesUnit 5Translate the phrases into Chinese.show sb. around
regardless of
make a fire
scare away
layers of ash
keep out不顾；不管生火 一层层灰烬不许入内，挡在外面 吓跑陪同某人参观at most
at least
cut up
remove … from …
an ample amount of
care about至多；最多至少切碎从 … 除掉 / 移动 …大量的；充足的关心1. Can you think of the alternatives we would use today? alternative n. 可能的选择；替换物, 取舍
If you don't like the school lunch, you have the alternative of bringing your own. What alternatives are there? They had no alternative in the matter. adj. 两者择一的; 供选择的
There was no alternative route open to her.
Have you got an alternative suggestion? If he wants to get to Beijing by tonight, he has no alternative but ________ by air.
A. go B. to go
C. going D. gone
【解析】have no alternative but to do"除......之外别无选择"是习惯搭配。
【答案】B alternative和choice
两词均可作名词或形容词。choice可指从几
种事物中选择其一，而alternative一般指从
两者中择一。choice指比较具体的选择的
作或结果，alternative指抽象的办法，不
具体事物。 choice 强调主观的挑选或喜
恶，alternative指客观存在的可供取舍的途
径。如：1. Her first choice is to become a musician.
2. These are choice silk goods from Suzhou.
3. He had the alternative of working and
being successful or not working hard
and being successful.
4. She had no other alternative but to
resign.
5. The phrase has alternative explanations.2. You must be aware that it’s here that we
found evidence of some of the earliest people
who lived in this part of the world.You must be aware that …主句后接由强调句和定语从句组成的宾语从句。it’s here that we found …是强调句； who lived in this part of the world是定语从句。 aware adj. “意识到的；知道的”，通常用作表语
I am well aware that this is a tough job.
We are fully aware of the gravity of the situation. 常用结构：
be／become aware of sth. 意识到某事
be aware that-clause 知道 / 意识到……
make sb. aware that-clause 提醒某人注意……
make sb. aware of ... 让某人注意到……
as far as I’m aware 据我所知
awareness? n.1) Most smokers ________________ the dangers of smoking, but they can’t get rid of the habit.
大部分吸烟者都知道吸烟的危害，但是他们就是不能戒除这个习惯。
2) Only then did he __________________ the effects of his action.
只有到了那个时候他才知道他的行为的影响。
3) It was several minutes before I ________________ what was happening.
过了几分钟我才弄清楚发生了什么事情。are aware ofbecome aware ofwas aware of interrupt v. 打断；中断
Don't interrupt me, children.
He interrupted college to serve in the army.
Traffic was interrupted by a dense fog.
interruption n. 中断，打断
interrupted adj. 中断的，不通的? 3. I’m sorry to interrupt you but how could they live here?归纳总结
interrupt sb. 打断某人讲话或正在做的事
interruption n. 中断，打断
without interruption不间断地 词义辨析：disturb, interrupt
disturb有“打扰，扰乱，使(人)心神不宁”之意。如：
disturb the sleeping child / one’s plan / the public peace 打扰睡觉的孩子/打乱计划/扰乱社会治安
be mentally disturbed 精神上受到影响
be disturbed about 对……感到不妥
对比：interrupt 有“打断，打扰”之意，侧重打断。如：
Don’t interrupt me while I’m busy.1) 她获悉母亲得急病后感到心神不安。
　She was ________ ________ her mother’s sudden illness.
/ She was ________ _______hear of her mother’s sudden illness.
/ She was ________ ________ the news of her mother’s sudden illness.
2) 不要打断那位演讲者，他讲完再问你的问题。
　Don’t _________ the speaker; ask your question after the meeting.disturbed about disturbed to disturbed by interrupt4. So we think it’s reasonable to assume they lived in these caves, regardless of the cold. assume v. 假设；设想；装作；承担 (责任)
I assume that is what you meant.
He assumed a look of surprise.
I made a mistake and I will assume responsibility for it.
assume an attitude of 取 ... 的态度
assume the mask of 披上 ... 的伪装归纳总结
1) assume sb. / sth. to be 假定/假设某人/某事为…
2) It is assumed that ... 被认为 …
3) assumption n.假定，假设
make an assumption 认为，假定
4) assuming that ... 假设/假定… 用assume的适当形式填空
1) __________ that you are elected chairman of the committee, what measures will you take to solve the problem?
2) They made the ______________ that poverty exists in the Third World.
3) We __________ (that) he isn’t coming. Assumingassumptionassume in spite of 指“除....外, 不管”， regardless of更侧重表示“对....熟视无睹, 置若罔闻”。 regardless of 不管；不顾
She is determined to do it regardless of all consequences.
He continue speaking, regardless of my feelings on the matter.This special school accepts all disabled students, ____ educational level and background. (2009江苏卷)
A. according to B. regardless of
C. in addition to D. in terms of
The art show was _____ being a failure; it was a great success. (2009天津卷)
?? A. far from??? B. along with???????
C. next to????? D. regardless of BAmust have + 过去分词：表示对过去发生的动作或存在的状态进行推测，只用于肯定的陈述句中(在否定句及疑问句中用can )，意思是“一定已经”。例如：
If he had really been there, I must have seen him.英语中，常用情态动词must, may, might, can, could, should, ought to, would等＋have＋过去分词表示对过去发生事情的推测。一般来说，说话人的语气或推测的把握程度不同，使用的情态动词也不同。 5. It must have been very uncomfortable.can／could＋have＋过去分词：表示对过去某种行为或存在的状态的怀疑或不肯定推测。can常用于否定句和疑问句；could除用于否定句及疑问句外,还可用于肯定句。例如：
Don't worry-they could have just forgotten to phone.may／might＋have＋过去分词：表示对过去发生的动作或存在的状态进行不肯定的推测，即说话人认为过去某事发生的可能性或某状态存在的可能性一般。可用于肯定句和否定句；might的语气没有may那么肯定。例如：
He might not have got your letter.would＋have＋过去分词：表示过去本来要做某事却因某种原因未做，通常用来说明某种情况，但不像用should或ought to那样含有责备之意。例如：
I would have written to you earlier but I have been ill.should／ought to＋have＋过去分词：肯定式表示"过去本应做某事(但没做)"；否定式表示"过去不该做某事(但做了)"。该句式含有不满或责备之意。例如：
You're right. I should have been more careful.6. After that they would rub an ample amount of salt onto the skin to make it soft.
ample adj. 足够的；充足的
Ample sunshine and rainfall are bringing the crops on nicely.
This leaves her ample time to prepare three meals a day. Your stay abroad will give you ____ opportunities to learn a new language.
A. much B. ample
C. enough D. sufficient B enough, sufficient ＆ample
enough和sufficient都是“足够’的意思，但前者较通用，后者较正式、文字味重。
ample和enough的词义基本一致，但在程度上，ample超过enough，相当于greatly enough。例如：
There is ample space for a garage.