初中英语人教新目标 (Go for it) 版九年级全册Section B精品ppt课件

Unit 13 We’re trying to save the earth.

SectionB2a---2e导学案

一. 根据中文意思写出下列重点单词。

1. 大门 n. _______  

2. 瓶子n. _______

3. 负责人；主席；总统 n. _______

4. 灵感；鼓舞人心的人(或事物) n. _______

5. 铁n. _______

6. (音乐、艺术)作品n. _______

7. 金属n. _______

8. 创造力；独创性n. _______

二. 认真阅读课文，找出下列重点短语。

9. 扔掉；抛弃 _______  

10. 好好利用某物 _______

11. 拆下；摧毁 _______

12. 一艘倒过来的旧船 _______

13. 成为……的榜样 _______

14. 建立一个网站 _______

15. 一个“金属艺术”主题公园 _______

16. 以……而闻名 _______

三. 用以上重点短语完成下列句子。

17. 你曾经考虑过怎样把这些东西充分地利用起来吗？

Have you ever thought about how these things can actually ____ ____ ____ ____ ____?

18. 王涛希望建一个“金属艺术”主题公园来向人们展示环境保护的重要性。

Wang Tao hopes to ____ ____ ____ ____ ____ ____ ____ to show people the importance of environmental protection.

探究一： 篇章理解

Task1.Pre-reading

What can you see in the pictures?

What is it/ are they made of?

Do you think it is a good way to protect the environment?

Can you guess what the passage is about?

Task2.Fast reading

1. How many people are mentioned in the passage? Who are they?

2.Where do they come from?

3.Work on 2b.

4.Match each paragraph with the main idea.

Para. 1  Wang Tao uses materials from old cars to make beautiful art pieces.

Para. 2  Many old things can be put to good use.

Para. 3  Jessica Wong uses old clothes to make bags.

Para. 4  Amy Hayes built a house out of rubbish.

Task3:Careful reading

Read Para.1 and finish the tasks.

1.Can we throw away things we don't need anymore?Why?

2.What should we have if we want to use old things?

Read Para.2 and finish the tasks.

1.   Did Amy win an award? What was it from?

2.   Where did her windows and doors come from?

3.Complete the chart.

Read para.3 and then finish the tasks.

Tell true (T) or false (F) and correct.

Fill in the blanks.

Read para.4 and then finish the tasks.

1.What does Wang Tao hope to set up?Why?

2. Translate the sentence “Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity.” into Chinese.

3.Fill in the blanks.

探究二： 知识点解读

1.Do you often throw away things you don’t need anymore?你经常扔掉你不再需要的东西吗？

 throw away 1) 扔掉, 丢弃浪费 (机会、优势或好处)

    2) 错过(机会等)，放过；未能很好利用(机会等)

    3) 浪费(时间、金钱等)乱花(钱等)

e.g.I never throw anything away. 我从来不扔任何东西。

You are throwing away your chance of becoming a success. 你在错过成功的机会。

You are throwing your money away, buying such useless things. 你买这些没有用的东西是在浪费钱。

2.The windows and doors come from old buildings around her town that were pulled down.

【解读】pull down有以下几种意思：

①把……拉下。②破坏；拆毁（建筑物）。

e.g. His hat was pulled well down over his eyes so that nobody would guess his true identity.

他把帽沿拉得很下，几乎遮住了眼睛，使人猜不清他是谁。

It is easy to pull down the old world than to build the new.

破坏旧世界容易，但要建设新世界就难了。

 【拓展】pull down有以下几种意思：③挣得。④使身体虚弱。

e.g. He pulls down quite a lot of money in his new job. 新工作使他挣了许多钱。

Tow always pulled down the highest grades in school. 汤姆在学校总得最高分。

A really bad cold pulls you down and leaves you feeling very miserable.

重感冒会使你身体虚弱，让你感到很难受。

3．The top of the house is an old boat turned upside down.

 房子的顶部是一条翻转过来的旧木船。

【解读】turned upside down 意为“被翻转过来的; 被颠倒过来的”，作后置定语修饰boat。英语中短语和从句用作定语时, 一般置于名词之后, 作后置定语。

 e.g. the sigh on the wall  墙上的标志牌 (介词短语后置作定语)

the children boating on the lake

湖上泛舟的孩子们(现在分词短语后置作定语)

the stories invented by eight-and nine-year-olds 八九岁小孩子编写的故事(过去分词短语后置作定语)

4.了解英语构词法(Word Formation)和前缀(prefix)、后缀(suffix)英语单词构成有其规律，很好的掌握了构词规律，才可以很好、很快的、准确的记忆单词。常见的构词法有合成(Compounding)、派生(Derivation)和转化(Conversion)。前缀和后缀属于派生法。英语单词的核心部分，在于词根(root)，词的意义主要是由组成单词的词根体现出来的。词根可以单独构成词，也可以彼此组合成词，通过前缀(prefix)后缀(suffix)来改变单词的词性和意义。也就是说，单词一般由三部分组成：词根、前缀和后缀。词根决定单词意思，前缀改变单词词义，后缀决定单词词性。

单词中位于词根前面的部分就是前缀。前缀，可以改变单词的意思。常见的前缀有如下几类：

后缀：英语单词中的后缀没有任何实在意义，只表示词性。常用的后缀有三种：动词后缀、名词后缀和形容词后缀。例如：