1、 1 Unit 7 Whats the highest mountain in the world Section A(1a -1c) 学习 目标 1. 四会单词： square, meter, deep, desert 2. 学会如何用含有数字的度量结构表达一些自然和地理的信息 ，如： 8,844.43 meters high, 6,671 kilometers long 等 。 3. 学会用英语的比较级和最高级来对比描述事物。 4. 能够听懂含有 比较 结构的句子和对话，获取确切的信息。 重难点 1. 含有大数字的度量结构。 2. 比较级 表示 最高级的用 法。 3. 口语训练，讨论世界之
2、最。 【 自 学 指 导 】 Step1对照词汇表和已学的度量知识完成 1a。 Step2查词典找出这些词的名词形式。区别名词和形容词的用法。 Step3复习形容词或副词变比较级和最高级的规则变化形式 。 Step4 根据 1c中的对话和 1a中的信息编写对话。 Step5完成导学案相关习题 。 【 知识导航 】 1. about 9,600,000 square kilometers in size 面积大约9,600,000平方公里 square 名词指“正方形 ，广场” ；形容词“平方的”，用于数字后面表示面积。 kilometer， 千米 ， 公里。 “ kilo-”是表示“千”的前缀
3、， meter, “ 米，公尺 ” Eg. kilogram 千克 2. 1， 025 meters deep 1,025米深，表达深度 在英语中表示长、宽、高、深 ? 基数词 +单位词 +形容词（ long,wide,high,deep） 3. Qomolangma is higher than any other mountain in the world.珠穆朗玛峰比世界上其他任何一座山都高。 甲 + be + 形容词比较级 + than + any other + 单数名词（ +介词短语） 表示“甲比同一范围的任何一个人、物都 ? ” 也即“甲最 ? ” The Yangtze Riv
4、er is longer than any other river in China. = The Yangtze River is longer than the other rivers in China. 数的读法 英文数字中的第四位，第七位，第十位数是很关键的数位。 大数字每三位数用逗号隔开，从右至左 第一个逗点读作 thousand，第二个逗点读作【自主学习与交流】 【词汇】 读一读，译一译 Qomolangma the Nile the Caspian 珠穆朗玛峰 尼罗河 里海 the Sahara desert mountain 撒哈拉 沙漠 山脉 原级 比较级 最高级 deep
5、 _ _ good/well long _ _ bad/badly/ill high _ _ many/much wide _ _ little large _ _ far 【短语集锦】 in size 面积 square kilometer 平方千 米 in the world 世界上 salt lake 咸水湖 【经典句型】 A: What is the highest mountain in the world? 世界上最高的山峰是什么？ B: It s Qomolangma. 珠穆朗玛峰 A: How high is it? 它多高？ B: It s 8,844.43 meters h
6、igh. 它 8.， 844.43米高。 A: What is the longest river in the world? 世界上最长的河是什么？ B: It s the Nile. 是尼罗河。 A: How long is it? 它多长？ B: It s 6,671 kilometers long. 它 6,671 千米长 。 【活学活用】 一、描述 表格中的信息。 二、 仿照“经典句型”， 用上面表格中的信息进行对话。 三、单项选择。 1. - is the river? - It s about 2,000 kilometers. name number and fact meas
7、urement description Qomolangma 8,844.43 meter high the Nile 6,671 kilometer long the Caspian 1025 meter deep the Sahara 9,600,000 square meter large 2 million，第三个逗点读作 billion.例如： 1， 234 读作： one thousand two hundred and thirty four 4,567,809 读作： four million five hundred and sixty-seven thousand eigh
8、t hundred and nine 5， 678， 120,000 读作： five billion six hundred and seventy-eight million one hundred and twenty thousand A. How big B. How far C. How high D. How long 2. The river is only 40 meters , so we can see the people on the other side clearly. A. long B. deep C. high D. wide 3. Mary studies
9、 harder in her class. A. as any one B. than anyone C. than the other D. than any other girl 4. This house is than that one. A. much small B. too small C. much smaller D. little smaller 5. Debbie is growing fast. She is even than his mother. A. tall B. taller C. tallest D. the tallest 6. I m sorry I
10、m late. I should get here 10 minutes . A. early B. earlier C. the earlier D. the earliest 7. Steve is good at writing short stories. - So he is. But he writes than us. So he can t good grades in writing. A. most carefully B. more carefully C. less carefully D. least carefully 8. The volunteer spoke
11、as as she could to make the visitors understand her. A. clearly B. more clearly C. most clearly D. the most clearly 9. I m surprised that John is only 25. I thought he was , for he seems to be in his thirties. A. old B. older C. young D. younger 10. This is _ wonderful town I have ever visited. - Ye
12、s, I have never seen a _ one. A. the worst; bigger B. the most; better C. the better; best D. the worse; good 11. _ careful we are, _ mistakes we will make. A. the more; the fewer B. the fewer; the more C. the more; the more D. the less; the fewer 12. _ Great Wall is _ longest wall in the world. A. The; the B. A; a C. The; a 13. Guo Jingming s novel Tiny Times is very , but I think the film is even _(popular). 14. The Caspian Sea is 1,025 meters _ (depth). 15. 雨越下越大了。 It s raining _ _ _.
