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1、1UnitUnit 7 7 WhatsWhats thethe highesthighest mountainmountain inin thethe worldworld SectionSection A(1a-1c)A(1a-1c)学习 目标1.1. 四会单词：square, meter, deep, desert 2.2. 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。 3.3. 学会用英语的比较级和最高级来对比描述事物。 4.4. 能够听懂含有比较结构的句子和对话，获取确切的信息。重
2、难点1.1. 含有大数字的度量结构。 2.2. 比较级表示最高级的用法。 3.3. 口语训练，讨论世界之最。【 【 自 自 学 学 指 指 导 导】 】 S St te ep p1 1对照词 汇表和已学的 度量知识完成 1a。S St te ep p2 2查词典 找出这些词的 名词形式。区 别名词和形容 词的用法。S St te ep p3 3复习形 容词或副词变 比较级和最高 级的规则变化 形式 。S St te ep p4 4根据1c 中的对话和 1a 中的信息编写 对话。S St te ep p5 5完成导 学案相关习题 。【知知识识导导航航 】1 1. .about 9,600,000
3、 s sq qu ua ar re e k ki il lo om me et te er rs s in size 面积大约9,600,000平方公里s sq qu ua ar re e 名词指 “正方形 ，广场 ” ；形容词 “平方的 ” ，用于数字后面表示面积。k ki il lo om me et te er r，千米 ，公里。“kilo-”是表示 “千”的前缀， meter, “米，公尺 ”E Eg g. . k ki il lo og gr ra am m 千克2 2. .1 1，0 02 25 5 m me et te er rs s d de ee ep p 1,025米深，表
4、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 3. .Qomolangma is h hi ig gh he er r t th ha an n a an ny y o ot th he er r m mo ou un nt ta ai in n in the world.珠穆朗玛峰比世界上其他任何一座山都高。甲甲 + + b be e + + 形形容容词词比比较较级级 + + t th ha an n + + a an ny y o ot th he er r + + 单单数数名名词词（ + +介介词词短短语语） 表示 “甲比同一范围
5、的任何一个人、物都” 也即 “甲最”The Yangtze River is longer t th ha an n a an ny y o ot th he er r r ri iv ve er r in China.= The Yangtze River is longer t th ha an n t th he e o ot th he er r r ri iv ve er rs s in China.数数的的读读法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【自主学习与交流自主学习与交流】【词汇词汇】读一读，译一译Qomolangma the Nile the C
6、aspian 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 _ _ good/well long _ _ bad/badly/ill high _ _ many/much wide _ _ little large _ _ far 【短语集锦短语集锦】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: I
7、ts Qomolangma. 珠穆朗玛峰A: How high is it? 它多高？B: Its 8,844.43 meters high. 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: Its the Nile. 是尼罗河。A: How long is it? 它多长？B: Its 6,671 kilometers long. 它 6,671 千米长。【活学活用活学活用】 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 rive
8、r?- Its about 2,000 kilometers.namenumber and factmeasurementdescriptionQomolangma8,844.43meterhighthe Nile6,671kilometerlongthe Caspian1025meterdeepthe Sahara9,600,000square meterlarge2三位数用逗号隔开，从右至左第一个逗点读作 thousand，第二个 逗点读作million，第三个逗点读 作billion.例如：1，234 读作：one thousand two hundred and thirty four
9、4,567,809 读作：four million five hundred and sixty-seven thousand eight hundred and nine5，678，120,000 读作：five billion six hundred and seventy-eight million one hundred and twenty thousandA. How big B. How far C. How high D. How long2. The river is only 40 meters , so we can see the people on the other
10、 side clearly.A. long B. deep C. high D. wide3. Mary studies harder in her class.A. as any one B. than anyone C. than the other D. than any other girl4. This house is than that one.A. much small B. too small C. much smaller D. little smaller5. Debbie is growing fast. She is even than his mother.A. t
11、all B. taller C. tallest D. the tallest6. Im sorry Im late. I should get here 10 minutes .A. early B. earlier C. the earlier D. the earliest7. Steve is good at writing short stories.- So he is. But he writes than us. So he cant good grades in writing.A. most carefully B. more carefully C. less caref
12、ully D. least carefully8. The volunteer spoke as as she could to make the visitors understand her. A. clearly B. more clearly C. most clearly D. the most clearly9. Im 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. younger10. This is
13、_ wonderful town I have ever visited.- Yes, I have never seen a _ one.A. the worst; bigger B. the most; better C. the better; best D. the worse; good11. _ 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 fewer12. _ Great Wall is _ longest wall in the world.A. The; the B. A; a C. The; a 13. Guo Jingmings novel Tiny Times is very , but I think the film is even _(popular).14. The Ca
