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高二英语选修七单元知识点总结

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在学习过程中,已获得的知识和技能对以后新知识、新技能的形成产生一定的影响,唯一的办法是消灭错误,获得正确知识和技能。这样才能提升你自己,下面是小编给大家带来的高二英语选修七单元知识点总结,希望大家能够喜欢!

高二英语选修七单元知识点总结1

介词又叫前置词,是一种虚词。

介词分为三种,一种是简单介词,如 at, in, on, beside, to , for 等;另一种是短语介词,即由两个以上的词组组成的短语,in front of, because of, out of, instead 如 of 等;还有一种二重介词,如 until after, from behind 等。

(一) 介词的句法功能:介词不能独立在句中做成份,介词后必须与名词、代词、或动名词构成介词短语在句中充当 一个成份,表示人、物、事件等与其它人、物、事件等之间的关系。

1、 作定语: The book on the table is mine.

2、 作状语: have breakfast at seven. We (表时间)They were late for meeting because of the heavy ; rain.(表原因) ;They started the machine by pressing the button.(表方法)

3、 作表语: My dictionary is in the bag.

4、 作宾语补足语: I found him in the office.

(二) 1.表示时间的介词

(1) in表示“在某一时间段”或“在某一时候”,如用在月、季、年份、时代、世纪等时间名词的前面,或用来泛指一天的某一段时间。in也可以指“在……之后”,表示从说话起的若干时间内。

如: in July/summer/2000/ancient times

The bus will be here in ten minutes.

(2) on表示“在特定的某一天”,也可用于带有修饰语的一天的某个时间段之前。如:on Saturday, on Saturday morning, on the morning of August 1st

(3) at表示“在某一时间点”,或用来表示不确定的时间和短期的假日、时节等。

如:at six o'clock, at Easter

(4) over, through (out)两者均指“经过的全部时间”。

如:Stay over the Christmas.

(5) for与since:for表示动作或状态延续的全部时间长度,为“长达……”之意;since用于指从过去特定的某个时刻到说话时为止的一段时间;含有since时间短语的句子要用完成时,但含有for时间短语的句子不一定要用完成时。

高二英语选修七单元知识点总结2

Ⅰ.Hot words and hot phrases常用词与常用词组

1.Medical studies show that AIDS virus cannot be transmitted via the following routes:cups,glasses,toilet seats,swimming pools,mosquitoes,other insects or blood donation.(P.49)

2.AIDS is a disease that breaks down the body's immune system and leaves a person defenceless against infections and illness.(P.51)

3.People get AIDS after having been infected with the HIV virus.(P.51)

4.People transmit HIV by having unprotected sex,by receiving infected blood transfusions or,as in Xiaohua's case,through birth.(P.51)

5.Xiaohua's mother contracted the HIV virus when she was 28,and she died of AIDS only three years after Xiaohua was born.(P.51)

6.The disease is spreading faster in Africa and parts of Asia,mainly because of a lack of proper health care,prevention and education.(P.51)

7.The drugs that are available are much too expensive and difficult to find.(P.51)

8....but she does not let that knowledge discourage her.(P.51)

9.She also goes to visit other AIDS patients in hospitals across the country to support them and cheer them up.(P.51)

10.The disease is not the only thing that AIDS patients have to suffer from.(P.52)

11....that can persuade hospitals and companies to allocate more funds for AIDS research and education.(P.52)

12.Xiaohua has learnt to live with HIV and the fact she will eventually get AIDS.(P.52)

13.Two years ago,Dr Richards had asked me a great many questions and had taken samples of my blood.(P.55)

14.Mum held my hand and I saw that she was weeping.(P.55)

15.Cancer is a disease that begins in cells.(P.55)

16.In my body,the production of cells is disrupted.(P.55)

17.Doctors do know that cancer is not caused by injury and is not contagious—it does not spread from one person to another.(P.55)

18.The cancer in my body has been defeated for the moment.(P.55)

19.Living with cancer has made me realize how precious life is and how important it is for us to take every chance to live life to the fullest.(P.55)

20.Every day is a new opportunity and I have learnt to appreciate every minute of each day.

Ⅱ.Language points and grammar focus语言点和语法重点

A.Language points语言点

1.HIV/AIDS is incurable...

AIDS is a disease that...leaves a person defenceless against infections and illness.(P.51)

本单元中由前缀或后缀派生出的反义词的小结

2.People get AIDS after having been infected with the HIV virus.(P.51)

完成时的动名词的被动式的内涵及用法

3.As with most diseases and disasters,the young suffer the most.

“定冠词 + 形容词/过去分词”表示“一类人”的用法的小结

4.I had been feeling sick for a long time and my mum had taken me to hospital to have me examined.(P.55)

1)过去完成进行时的内涵及用法

2)“to have + 宾语 + 过去分词”的两个内涵及用法

5.The treatment was successful and I was able to go home after exactly fourteen months,two days and six hours in hospital.(P.55)

was/were able to do与could do在内涵上的区别及各自的用法

6.I have been living with cancer for two years and...(P.55)

现在完成进行时的内涵及用法

Ⅲ.Skills of the four essential abilities:listening,speaking,reading and writing听、说、读、写四项基本能力的学习技巧

1.Listening:Master the main idea of a long dialogue through the inner connections among the questions so as to have better understanding of the questioned details

从各设问间的内在联系把握较长对话的中心思想,更好理解各检测点的细节

2.Speaking:Talk about deadly diseases and attitudes towards AIDS,cancer,etc.

关于那些致命疾病及对待艾滋病、癌症等的态度的谈论

3.Reading:Make full use of informational words and phrases

充分利用信息词

4.Writing:How to write a personal narrative

如何写一篇个人经历过的叙述性故事

高二英语选修七单元知识点总结3

1.achieve 获得;实现;达到预期的目的

achieve an aim / goal达到目标

achieve success 获得成功

辨析:achieve,reach,gain

achieve着重表示达到一定目的的过程中所需要的技能,耐性和努力。 reach指达到任何目标、目的或指达到发展过程中的某个阶段。

gain强调经过奋斗才达到所期望的目标、优势或者有利地位。

_He hopes to achieve all his aims soon

_You can achieve your ambition if you work hard.

_If you do one thing each day, you will reach your goal.

_But the determination to reach this goal carried me and my partners through the difficult times.

_This should help you gain trust.

_We can gain some insight from that.

achievement n.[c]成就,功绩

_He received the Nobel Prize for his scientific achievements.

_Flying across the Atlantic for the first time was a great achievement.

2.condition

表示“条件”,condition为单数时,表示人/物所处的“状态”;conditions(复数)指一般情况,环境。

_I starve for your help in such a condition.

_You worry about her condition.

_I suggested he should adapt himself to his new conditions.

_We should make decisions in accordance with specific conditions. 与condition相关的词组:

in good/poor condition 状况好/不好

out of condition 状况不好

on condition that 在……条件下,假使

on no condition 决不

3.connection 连接,关系

in connection with 与……有关

_ Police said later that they'd arrested one person in connection with the shootings.

4.behave 举止,举动,行为表现

behave oneself 表现良好,行为良好

_ Honesty is the foundation to behave oneself and start one's career. behave as 起……作用,表现为……

_ Others are finding that black holes might not behave as we thought.

5.worthwhile 值得做的,值得出力的

It is worthwhile doing/to do sth

_It is worthwhile buying the dictionary._It is worthwhile to discuss the plan again.

辨析:Worth、worthy、worthwhile

(1)worth 通常只用作表语,不用于名词前作定语; worthy 和 worthwhile 可用作表语和定语。

_It isn’t worth the trouble.

_He is a worthy gentleman.

_His behavior is worthy of great praise.

_They achieved a very worthwhile result.

_We had a long wait, but it was worthwhile because we got the tickets.

(2)worth 习惯上不用 very 修饰(要表示类似意思可用 well),而 worthy 和 worthwhile 则可以用副词 very 修饰。

_That is very worthy of our attention.

_Nursing is a very worthwhile career.

但习惯上不说:The work is very worth doing. (very 应改为 well)

(3)搭配习惯不同

be worth + n./doing

_The picture is worth 0.

_The clock is hardly worth repairing. (主动形式表示被动)

be worthy of + n./doing

Be worthy to do sth

_Their efforts are worthy of your support.

_This suggestion is worthy of being considered._This suggestion is worthy to be considered.

Be worthwhile doing/to do sth

6.respect

作动词,后直接跟宾语。

_I want him to respect me as a career woman.

作名词,表示“尊重,尊敬”。

_If you have respect for someone, you have a good opinion of them. 表示“敬意,问候”时,用复数形式,常与give,send,pay连用。

_Carl had asked him to visit the hospital and to pay his respects to Francis.

与respect相关的短语:

respect oneself 自重,自尊

have/show respect for 对……尊重/尊敬

have respect to 注意,考虑

in respect of sth 就某方面而言。

with respect to 涉及,关于。

7.argue 争论,辩论

argue with sb(about/for…) (为/关于……)和某人辩论

_If one person argues with another, they speak angrily to each other about something that they disagree about.

_Don't argue with me.

argue for/against… 辩论赞成……/反对……_If you argue for something, you say why you agree with it, in order to

persuade people that it is right.

_If you argue against something, you say why you disagree with it, in order

to persuade people that it is wrong

与argue相关的词组:

argue back 反驳

argue sb into/out of doing sth 说服某人做/不做某事

8.inspire 鼓舞,激发

inspire sb(to do sth) 赋予某人灵感,启迪

_His spirit will carry on, and it will inspire all of us to achieve more.

inspire sb(with sth)/inspire sth in sb 激励/鼓励某人的……

_A sincere compliment can inspire someone with courage.

Inspired:有创造力的,有雄心壮志的,受灵感启示的

Inspiring:鼓舞人心的,使人感兴趣的

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