人教新目标 (Go for it) 版七年级下册Section B精品ppt课件

Unit5 Why do you like pandas?

(SectionB2a-2c)学案

【预习】

单词: 救助          友好的          象征                

旗帜           忘记           地方          

水            危险            砍         

杀死           象牙           超过           

种类                   

短语: 1.如此多的树                     2.超过                           

3.泰国大象日                      4.十二岁                                 

5.失去他们的家园                  6.由…制成的                    

7. 3月13日                       8.一种好运的象征                         

9.泰国的象征之一                 10.砍倒                              

11.处于极大危险中                 12.对…友善                     

 【探究】

Task 1 Pre-reading:Look and predict.

1.What is the passage about?

2.What can the elephant do in the picture?

Task 2 阅读（Fast reading）

1.   Read this website article and check (√) the best title for it.(2b).
2.   Read the article quickly and find out the topic sentence in each paragraph.Then summarize the main idea.

Para.1

Para.2

Para.3

Task3.Careful reading 仔细阅读2b，完成下列任务。

         Read para.1 and finish the tasks.

Answer the questions below.

1.Where are the students from?

2.What do they want to do ?

3. What's one of Thailand's symbols?

4.Which one is the first flag of Thailand?

5.Why are elephants important in Thailand?

Read para. 2 and finish the tasks.

Question:What can elephants do?

 Fill in the blanks.

Read para3. carefully and finish the tasks.

1. Why are elephants in danger?

A. people cut down trees, they are losing their homes.

  B. There is too much pollution in the forest.       

  C. People kill them for ivory.

2. How do we protect elephants?

3.What does “We must save the trees.” mean?

A. 我们必须种植树木。

B. 我们必须储存木材。

C. 我们必须保护树木。

4.What does “about 3,000.” mean?

5.What does “over 100,000.” mean?

Fill in the blanks.

Task4.Language points

1.We are students from Thailand, and we want to save the elephants.

    我们是来自泰国的学生，我们想拯救大象。(教材P29 2b)

【用法详解】save在句中作及物动词，常用短语：save one’s life“挽救某人的生命”。

The doctor saved many people’s lives. 这位医生挽救了很多人的生命。

【拓展延伸】save作动词，还有“储存；节约”之意。

She is saving money to buy a computer. 她正在存钱买电脑。

We should try to save water. 我们应该设法节约用水。

2. They can also remember places with food and water. 它们也能

    记住有食物和水的地方。(教材P29 2b)

【用法详解】water是不可数名词。

My grandpa drinks a glass of water every morning. 我爷爷每天早晨喝一杯水。

【拓展延伸】water还可作动词，意为“给……浇水”。

Can you help me water the flowers? 你能帮我浇花吗？

3.People say that “an elephant never forgets”. 人们说“大象从来不会忘事”。(教材P29 2b)

【用法详解】forget作动词，其后可接名词、代词、动词不定式或动词-ing形式作宾语。 【用法详解】forget作动词，其后可接名词、代词、动词不定式或动词-ing形式作宾语。① forget to do sth.    忘记要做的事情② forget doing sth.   忘记做了某事

Let’s forget our quarrels. 我们忘记彼此间的争吵吧。

I forgot to bring my dictionary.我忘了带我的字典了。

Have you forgotten helping me before?你忘了你以前帮助过我吗？

【易混辨析】forget与leave

forget 表示“遗忘某物”时，常指头脑中记不清某物/某事，其后通常不与表示地点的词语连用。

leave 表示“遗忘某物”时，常指把某物忘在某地，其后通常接地点状语。

I leave my schoolbag at home. 我把书包落在家里了。

I forget my schoolbag.我忘带书包了。

4.But elephants are in great danger. 但是大象正处于极大的危险之中。 (教材P29 2b)

be in danger 处于危险之中  该短语中danger是名词，意为“危险”。对应短语为be out of danger，意为“脱离危险”。

If someone is in danger, call the police at once. 如果有人处于危险之中，立即给警察打电话。

Jack is still in hospital, but he is out of danger. 杰克仍在住院，但他已脱离危险。

5.People cut down many trees so elephants are losing their homes.

     由于人类大量砍伐树木，因此大象正在失去它们的家园。(教材P29 2b)

【用法详解】cut down 砍倒为“动词+副词”型短语，后接名词作宾语时，名词放在副间 down 之前或之后都可以；后接代词作宾语时，代词只能放在 cut 和 down 之间。

Don't cut down trees.= Don't cut trees down. 不要砍伐树木。

The tree was dead, so he cut it down. 这棵树死了，所以他把它砍倒了。

6. Today there are only about 3,000 elephants (over 100,000 before).

     如今仅有大约3000头大象（之前超过100000头）。(教材P29 2b)

【用法详解】(1)over在句中作介词，意为“超过，多于”，相当于more than。

There are over 50 students in our class. 我们班有50多名学生。

(2)over 作介词，还可表示方位，意为 “在......上方”，此时其反义词为under。

A lamp is hanging over the table. 桌子上方挂着一盏灯。

7. We must save the trees and not buy things made of ivory.

     我们必须拯救树木，拒绝购买象牙制品。(教材P29 2b)

be made of 意为“由......制成”通常指通过制成品可以看出原材料。 The bridge is made of stone. 这座桥是由石头建造的。

be made from 表示“由......制成”，通常指通过制成品看不出原材料。 The wine is made from rice. 这酒是用稻米酿造的。

be made in 意为“在(某地)制造“，后面接地点名词。 This mobile phone is made in

China. 这部手机是在中国制造的。

Task5.Post-reading