unit 7 what’s the highest mountain in the world?
本单元学习目标:
1. 熟练掌握本单元必会词汇和短语(详见目录或词汇表)。
2. 谈论地理与自然。
3. 学会较大的数字、倍数、分数的表达法以及年份的读法。
4. 熟练运用形容词和副词的比较级、最高级。
period 1 section a(1a-2d)
学习目标。i. 熟练掌握并运用下列词汇和短语:
square, meter, deep, desert, population, asia, wall, tour, tourist, ancient, protect, wide,amazing, as far as i know
ii.会读并准确翻译下列句子:
1. the sahara is about 9,600,000 in size. the nile is 6,671 kilometers long.
2. china has the largest population in the world.
3. china is almost as big as the us.
4. as far as i know, there were no man-made objects as big as this.
温故知新。英汉互译。
1. once upon a time __
2. instead of
3. give birth to
4. a couple of
5. get married
6. be made of
7. as soon as
8. work on
9. 提醒。
10. 将……变成。
11. 出版。
12. 爱上。
设问导读。重要知识点讲解。
1. the sahara is about 9,600,000 square kilometers in size. the nile is 6,671 kilometers long.
撒哈拉沙漠的面积大约为9,600,000平方公里。尼罗河有6,671米长。
数量词+ in size,表示面积有多大。如:
china is 9,600,000 square kilometers in size. 中国面积有9,600,000平方公里。
知识拓展:数量词+high(in height)/ he**y (in weight)/ wide (in width)/ long(in length)/ deep (depth) 分别表示:有多高 / 重 / 宽 / 长 / 深。
2. china has the largest population in the world. 在世界上,中国人口最多。
population 意为“人口”,用big/ large 和small来修饰,表示人口的多或少;问人口是多少则用句型what’s the population of...如:
what’s the population of that city? 那个城市人口是多少?
知识拓展:population作主语时,谓语动词用第三人称单数,而当它的前面有分数或小数时,谓语动词也可以不用第三人称单数。如:
a third of the population in that country are women. 那个国家三分之一的人口是女性。
3. china is almost as big as the us. 中国和美国差不多一样大。
as...as 意为“和……一样”,它的中间用形容词或副词的原级,称作同级(平级)比较。如:tom is as old as jim. 汤姆和吉姆一样大。
知识拓展:倍数+ as...as表示“……是……的……倍”。如:
my room is three times as big as yours in size. 我的房间是你房间面积的三倍大。
听磁带回答2a-2b中的问题。
country is the biggest country in asia ?
1. is the yangtze river the longest river in the world ?
2. how long is the yangtze river ? how about the yellow river ?
完成活动2a,2b中的任务。
自学检测。i. 按要求写单词。
1. deep(比较级。
2. wide(比较级。
3. ancient(反义词。
4. famous(比较级。
5. big(最高级。
6. country(复数。
7. amazing(动词。
8. long(最高级。
9. protect(名词。
10. high(反义词。
ii. 根据句意及首字母提示完成句子。
1. china has the l___population in the world.
2. india has a much l___history than japan.
3. they built the wall to p___their country.
4. this lake is about 159 meters d___
5. the desert is about 9,000,000 kilometers in s __
巩固练习。i. 翻译下列汉语句子。
1. 据我所知,他是他家最小的孩子。
he is the youngest child in his family.
2. 尼罗河是世界上最长的河流。
the nile isin the world.
3. 我跑得和他一样快。
i runhe does.
4. 你知道新加坡的人口是多少吗?
do you knowsingapore?
5. 这头大象是那头的三倍重。
this elephant isthat one.
ii. 单项选择。
)1. mr. smith thinks running is __than gymnastics.
a. very popular b. more popular c. most popular d. the most popular
)2. nanjing isn’t so large __shanghai, however, it’s the second __city in east china.
a. like; largest b. as; largest c. like; large d. as; large
)3. he was __at the __news.
a. amazing; amazing b. amazing; amazed
c. amazed; amazing d. amazed; amazed
)4. —how __are you?
about 60 kilos.
a. he**yb. weight c. muchd. big
)5. the most important thing is __our environment.
a. protectb. protects c. to protectd. protected
拓展**。补全对话(有两项多余)
a: why are you going to china for vacation, jim?
b: the main reason is that china is an ancient country with a long history. 1
a: like what?
b: for example, the great wall. 2
a: yes. where else do you want to visit in china except the great wall?
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