初中英语人教版八年级下册Section A 1a-2d

1、Unit7 Whats the highest mountain in the world?period 1 SectionA1a-2d【学习目标】知识与技能（1）熟练掌握下列词汇： tour, protect,square, meter, desert, population, Asia, tour, wall，deep, amazing, ancient, wide（2）熟练掌握下列短语： feel free, as far as I know（3）掌握下列句型： 主语+ adj/ adv 比较级 + than 主语+adj/ adv最高级+ in+ 地点 主语+adj/ adv最高级+

2、of/ among 过程与方法听力练习，编对话，角色扮演情感、态度与价值观培养自己积极参与活动的兴趣，热爱大自然的意识；了解世界上的名山大川。【教学重难点】重点：1学会谈论世界地理和自然。2. 熟练掌握形容词和副词的比较级和最高级。难点：学会谈论世界地理和自然。【导学过程】一新课预习一，词汇短语最高的山_最长的河_最深的海_102读作:_和一样大_ 8844.43米高_1032米深_5.2读作_平方米_ 27190米宽_3219读作: _人口 亚洲 旅游 游客 墙 古代 保护 宽 随便 据我所知 美国的人口 最古老的国家之一 二.句子 1）中国在世界上人口最多。 China has _ _ i

3、n the world。 2）中国比美国人口多很多。 _ than the population of the US.3）中国和美国同样大。 China is _ _ _ the US 。4）世界上最高的山峰是哪个？珠穆朗玛峰_5）Jim比Peter高. _6）Linda比Tom学习刻苦。_二. 情景导入 Lets enjoy the natural beauty of China.T: Its the longest river in China. Can you name it?S: Its the Yangtze River.通过中国的著名自然景点来激发学生学习的热情，然后由中国转到世界

4、，过渡自然。三合作探究1. PresentationShow Ss pictures of natural wonders and ask some questions about each one.T：Look at the picture, this is a river. Its the longest river in the world. Can you name it?S：Its the Nile.After this, lets do 1a. Match the facts you know.通过做1a来巩固比较级和最高级。2. Practice T: I will show y

5、ou a picture, there are three women in it. Would you please compare them by their appearance, height, weight or some other aspects?通过图片来操练比较级和最高级的用法。3. Listening practice1b， 2a 和2b.通过听力来进一步巩固比较级和最高级。4. Performance.T: Make conversations using the information in 2a.5.role-play1. How long is the Great

6、Wall?2. Why did the ancient emperors build the wall?3. What does the Great Wall look like?回答问题，帮助学生背诵记忆这篇对话。给学生讲解一些重要的语言点。中英文短语互译，帮助学生掌握这篇课文的重点。四点拨总结 1）对于物体长、宽、高、深度 、面积的表达Eg: 20米长20 meters long ; 10米宽10 miters wide; 15米深15 meters deep; 2平方米2 square meters2).a lot bigger 这里a lot 用来修饰形容词bigger的，表示比较级的

7、程度的。除此之外还有much、 far、 a little、 even 、any 等也可用来修饰形容词比较级的。例如：He is a little taller than I. 再如：3)平级比较（not）as +adj./adv.+as 表示双方在某个方面一样例如 4)how long 意为多长 多宽 多深 多高 how long的另外含义对时间的提问 例如 5).as you can see 翻译 例 .as far as I know 翻译 _如 五训练评价 单项选择:1.The tree is _than that one. A.taller B.tall C.tallest 2.Th

8、e _you study, the_ grades you will get. A. harder; better B. hard; good C. harder; good D. hard; better3.Larry is much taller than_ in my class. A. all students B. any student C. any other student D. any other students4.My _ brother will go to America for _ study next year. A.older; farther B.older;

9、 further C.elder; further D.elder; farther5.As you can see, Lily is as _ as her mother. A. beautiful B. more beautiful C. much beautiful D. very beautiful6.The Yellow River is _ the Yangze River. A. longer than B. as long as C. not so long as D. not long as写出下列adj的比较级和最高级：high_ _ useful_ _ comfortable_ _ funny_ _ hot_ _ worried_ _ 翻译： 1.据我所知，它是世上最大的人造物体。 _ _ _ I know, it is _ _ man-made _.2.世上最受欢迎的歌手是谁？ Who is _ _ _ singer in t