初中英语人教新目标 (Go for it) 版八年级下册Section A优秀ppt课件

课题名

Unit7 What’s the highest mountain in the world ？Section A (GF-4C)

教学目标

1.Language ability: To review the comparatives and superlatives by making comparisons.

2.Learning ability: ①Be able to talk about geography and nature. ②Enable the students to write an article about whales or other animals.

3.Thinking ability: ①Let the students know how to talk about geography and nature.②Let the students know that our country is so beautiful that we should love her.

教学重点

The vocabulary:

ocean; the Pacific Ocean; as...as; any other... .

Target language:

1. Did you know that China is one of the oldest countries in the world?

2. No ocean is as big as the Pacific Ocean.

3. It’s higher than any other mountain.

教学难点

To review the comparatives and superlatives by making comparisons.

教学准备

Teacher Preparation: multimedia courseware, textbook recordings

Student Preparation: pre-class preparation

教学过程

1.New words

Ocean                      /'əʊʃn/              n.大海;海洋

the Pacific /pə'sɪfɪk/Ocean                          太平洋

2.lead in

(1)Show some interesting facts about Qomolangma.

(2)Read some numbers.

3.Presentation

(1)Read the sentences in the table and find out the comparatives and superlatives.

(2)回顾形容词和副词通常有三种级别。

(3)展示形容词和副词的比较级和最高级概述。

(4)比较级和最高级的构成（规则变化和不规则变化）。

(5)比较级的用法

①“主语+谓语动词+比较级+than+比较对象”表示“某人/物比比较对象如何”。

②“主语+谓语动词+比较级+than any other+可数名词单数”表示“⋯⋯比(同一范围内)其他任何一个……都……”=“比较级+than the other+可数名词复数”表示最高级含义

③“主语+谓语动词+the+比较级+of the two…”表示“⋯⋯是两者中较⋯⋯的那个”，是特指的情况。

④“the+比较级…, the+比较级…”表示“越……,就越……”。

⑤“比较级+and+比较级”表示“越来越⋯⋯”。提示：多音节及部分双音节形容词或副词用于此结构时,要用“more and more+形容词/副词原级”。

⑥“疑问词(组)+谓语动词+比较级,A or B?”表示“A和B,⋯⋯更⋯⋯?”。

(6) 最高级的用法

①主语+谓语动词（the + ）最高级 + in/of 短语

该结构意为“……中最……的”。

②one of the + 形容词最高级 + 可数名词复数 + in/of 短语

该结构意为“……中最……的……之一”。

③主语+谓语动词+the + 序数词 + 最高级 + 可数名词单数 + in/of 短语，该结构意为“……在……中是第几……的……”（从第二开始）。

④ Which/Who … + 最高级, A, B or C?

(7)可用于修饰形容词和副词比较级程度的副词（短语）有：

much, a little, even, a lot, a bit, far等。

(8)Finish 4a(then show a table,make comparisons according to the table.),4b,4c and check the answers.

4.Language points

(1) as...as用法

5.Exercises

Ⅰ.单项选择。

1.China has a ______ population than America.

A. more  B. much more C. much large D. much larger

2.Xi’an is one of _____ in China.

A. more famous city    B. most famous cities 

C. the most famous cities  D. much more famous city

3.China is the third _____ country in the world.

A. large   B. largest           C. larger              D. as large as

4.Staying with families and friends in our free time is one of _____ things.

A. the happiest     B. happier      C. the happy      D. happiest

5.Qomolangma is higher than _____ in the world.

A. the other mountain             B. another mountain    

C. any other mountain             D. any mountains

6.—I think history is more useful than physics.

—In my opinion, history is______ physics. They are both important.

A. as useful as                           B. not so useful as

C. less useful than                        D. the most useful of

7.The number “23,456” can be read as “            ”.

 A. twenty-three thousand, four hundred and fifty-six

 B. twenty-three thousand and four hundred fifty-six

 C. twenty-three thousand and four five six

 D. twenty-three thousand, four five six

板书设计

1.它比美国要古老的多                It’s much older than the US

2.不及，不如                        not as… as

课后作业

Do the exercises in students’ book.

教学反思

In this class, students’ interest in learning is aroused by leading in new courses through asking questions. And on the basis of teaching and practice, students can master the comparatives and superlatives with adjectives and adverbs.