Unit 6 Nature in words Developing ideas 课件＋学案

课题：unit6 Silent spring

                             自主学习

I..重点单词

1．________ v．逐渐消失；褪色               2．_________n．小麦

3．_______ v．堆放，摞起                    4．__________ v．吹过，掠过

5．_______v．禁止，取缔                     6．_________ adj.困惑的，无法理解的

7．_________ n．后院                        8．__________v．颤抖，发抖

9．_________n．合唱曲                       10．_______ v．提醒，使(某人)意识到

11．________number 一打；许多               12．________adj.仔细的；缜密的

13．_________n．推出，发起                  14．_______ adj.海洋的

15．_________ adj.具有强烈信念的            16．________n．钻石

17．_________ n．名誉，名望

18．________ adj.轻柔的；温和的 →_________ adv.温柔地；温和地

19．_________adj.精确的；一丝不苟的→_________ adv.准确地；恰好地

20．_________ adv.故意地→_______v．知道→_________ n．知识

21．__________ n．优美；简洁→__________ adj.优美的，优雅的

II.核心短语

1．___________用……替换……

2．___________特别地

3．__________对……造成伤害

4．__________使某人意识到

5．____________值得/应该做某事

6．________几十；很多

7．__________被认为；被视为

8．___________成为……的目标

9．____________而不是

10．__________与其说……不如说……

11．__________坚持，信守(原有的决定、承诺或宣言)

合作探究

Reading Comprehension

Ⅰ.Read the passage on P68－69 quickly and answer the questions.

1．What’s the main idea of the passage?

A．A book review on Silent Spring.   B．The life story of Rachel Carson.

C．What took place in a silent spring.  D．The book was received positively by all the people.

2．Read the passage and match the main idea of each paragraph

Para.1　A．The book was not positively received by everyone

Para.2  B．The book deserves to be reread

Para.3  C．The opening of the book Silent Spring

Para.4  D．Some unsuccessful solutions

Para.5  E．The book’s impact

Para.6  F．The aim of the book

Ⅱ.Read the passage carefully and choose the best answer.

1．What caused silent spring according to the passage?

A．The birds didn’t wake up so early.

B．The people killed the birds randomly.

C．The animals all died out because of human activity.

D．The birds died because of the harmful use of pesticides.

2．How does Carson show people failed to solve the problems they faced?

A．By giving examples.        B．By doing experiments herself.

C．By searching on the Internet.  D．By telling some fables.

3．Which is NOT the influence of Carson’s work in the following?

A．The ban on the use of DDT.

B．She earned a Presidential Medal of Freedom alive.

C．The establishment of the EPA in the US.

D．A great increase in environmental awareness.

4．Some critics found fault with Carson in the following aspects EXCEPT         .

A．her research work was strong

B．her work was more emotional than scientific

C．she was a marine biologist rather than a chemist

D．she didn’t understand the science behind her arguments

5．The reason why the author enjoys Carson’s book  is that         .

A．the quality of her arguments is strong

B．her book has changed the world

C．her writing is beautiful and elegant

D．she describes a beautiful silent spring

Vocabulary Learning

Words And Phrases

　dozen     n./number 一打；许多

(教材P69)The book also gives dozens of other examples of eradication programmes that did nothing to reduce the problems they were originally designed to solve.

该书还列举了许多其他的实例来说明一些根除方案根本没有采取任何措施来减少它们原本要解决的问题。

[例1]　I'd like three dozen altogether.

我一共想要3打。

[例2]　Dozens of people have been injured and many vehicles set on fire.

很多人受了伤，很多汽车起火。

[造句]　他已在这儿住了24年。

He has lived here for two dozen years.

[即学即练]　单句语法填空

①On her birthday，she always receives cards by the dozen.

②Dozens(dozen)of miles of railway track have been torn up.

③If you buy a dozen of these tins，we can take 5 percent off the price.

[名师点津]

(1)与具体数字连用时，不加复数词尾­s；若后接名词，通常也无需用介词of。

(2)若不与具体数字连用，而是表示不确定的泛指数时，则不仅要加复数词尾­s，而且要后接介词of，然后才能接名词。如：

There were dozens of people there.那里有许多人。

(3)当与a few，several，many等数目不很具体的词或词组连用时，带不带复数词尾­s均可，但是注意：若不带复数词尾­s，其后的介词of可以省略；若带复数词尾­s，则其后介词of不能省略。如：

several dozens of eggs＝several dozen eggs 几打鸡蛋

(4)若其后的名词被the，these，those等特指限定词的修饰，或其后接的是us，them 等人称代词时，则此时必须用介词of。如：

a dozen of his friends 他的12个朋友

two dozen of them 它们中的24个

　precise adj.精确的；一丝不苟的

(教材P69)The 50 or so pages at the end of the book list Carson's sources，showing how thorough and precise she was as a scientist.

书的最后50页左右列出了卡森的资料来源，显示了她作为一名科学家是多么地缜密和一丝不苟。

[例1]　A lawyer needs a precise mind.

律师需要有缜密的思考能力。

[例2]　There were not many—five，to be precise.

数量不多——准确地说，只有五个。

[造句]　她给了我清晰而准确的指示。

She gave me clear and precise directions.

[即学即练]　单句语法填空

①The shelf is about a metre long—well，98 cm，to be(be)precise.

②The problem is due to discipline，or，more precisely(precise)，the lack of discipline，in schools.

③You have to be precise about the numbers.

[小片段填空]

Not only can a cell's motions be ①precisely controlled with the device，but it can also provide very ②precise measurements of a cell's position.

　ban vt.禁止，取缔n.禁令

(教材P69)Its impact was immediate and far­reaching: the use of DDT was banned and the Environmental Protection Agency (EPA)was established in the US.

它的巨大影响是立刻显现的和深远的：DDT的使用被禁止，环境保护署(EPA)在美国成立。

[例1]　Britain's health experts are pushing for a ban on all cigarette advertising.

英国的健康专家正努力争取取缔任何形式的香烟广告。

[例2]　Smoking is now banned in many places of work.

现在许多工作场所禁止吸烟。

[造句]　老师严禁他在课上讲话。

The teacher banned him from talking in class.

[即学即练]　单句语法填空

①Chemical weapons are banned(ban)internationally.

②They are banned from swimming(swim)in the river.

③There is a ban on/against smoking in all indoor public places.

④The new rule has put/placed smoking under a ban.

[名师点津]

“禁止某人做某事”的表达：

ban sb.from doing sth.

prohibit sb.from doing sth.

forbid sb.from doing sth.

forbid sb.to do sth.

　launch n．推出，发起；使(船)下水；发动；发射

(教材P69)Silent Spring was therefore regarded as a milestone in the launch of the green movement in the Western world.

因此，《寂静的春天》被认为是西方世界发起绿色运动的里程碑。

[例1]　The launch of their new machines in this factory received much media coverage.

这个工厂投产的新机器广获传媒报道。

[例2]　Are you at the launch of the new ship?

新船下水时你在场吗？

[造句]　我昨天看了火箭发射。

I saw the launch of the rocket yesterday.

[即学即练]　单句语法填空

①She launched into an explanation of how the machine worked.

②She's decided she has enough experience to launch out on her own.

③She is signing copies of her book at the official launch.

Sentence Pattern

　more...than...与其说……倒不如说……

(教材P69)Some also said that her work was more emotional than scientific.

一些人还说，她的工作更多的是情感上的，而不是科学上的。

句式分析：句中more...than...意思为“与其说……倒不如说……”；另外，此结构意思还可以是“比……多，比……更”。

[例1]　The book seems to be more a dictionary than one on grammar.

与其说这是本语法书，倒不如说是一本词典。

[例2]　It is more a lyric than a folk story.

与其说这是个民间故事，不如说是首抒情诗。

[造句]　众所周知，行动比语言更有力度。

As we all know，actions are more powerful than words.

[知识拓展]

[即学即练]　完成句子

①This book is not more difficult than that one.

这本书不如那本书难。

②He's no more able to read Spanish than I am.

他和我都不懂西班牙语。

③He is more than a writer; he is also a professor.

他不仅仅是位作家，还是一名教授。

[小片段填空]

She is ①more a producer than an actress in this film.And she had to do ②more than others，which makes her ③more than tired.

I..重点单词

1.fade 2 wheat 3 pile 4 sweep  5 ban 6  puzzled 7 backyard 8 tremble 9 chorus 10 alert 11  dozen 12  thorough 13 launch  14 marine 15 passionate 16 diamond 17 reputation18  gentle; gently  19 precise ;precisely  20 knowingly;know ;knowledge 21 elegance;elegant

II.核心短语

1.replace...with...2  in particular 3 cause harm to 4 make sb.aware of 5 deserve to do sth.  6 dozens of7  be regarded as 8 be/become a target for 9  rather than 10 more...than... 11  stand by

Reading Comprehension

1.A

2. 答案　C　F　D　E　A　B

[答案]答案　1-5DABAC