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八下Unit 7
一、重点短语
1. 在面积上 in size
2. …平方千米 …square kilometers
3. 两千米深 2 kilometers deep
4. 人工建筑物 man-made objects
5. 咸水湖 the salt lakes
6. 第二长河 the second longest river
7. 与…一样大 as big as
8. 最多的人口the biggest/largest population
9. 最少的人口 the smallest population
10. 在亚洲 in Asia
11. 随便做某事 feel free to do sth.
12. 如你所见 as you can see
13. 据我所知 as far as I know/so far as I know
二、考点汇总解析
1.百、千、百万、十亿
2.长、宽、高、深
3.high与tall
4.population
5.tour
6.amazing
7.even though
8.weigh
9.birth
10.up to
解析版
1.百、千、百万、十亿
hundred百
thousand千
million百万
billion 10亿
2.长、宽、高、深
long in length
wide in width
High in height
3.high与tall
tall高的(人、树、墙、建筑物)
high高的（山、速度、价格、温度）
4.population
问人口数量:What's the population of···：···人口是多少？=How large is the population of ···
形容人口多少用：large/ big 或small
the population of··· ：····的人口（整体单数）
5.tour
tour旅游(动名同形) tourist游客(名词)
6.amazing
amaze使吃惊（动）
amazing=surprising使人吃惊的(形容词,修饰物)
amazed=surprised使人吃惊的(形容词修饰人)
amazement吃惊（名词）
7.even though
even though=even if即使虽然（引导让步状语从句）
不能与but 连用
8.weigh
weigh称···重量（动词）weight重量（名词）
the weight of ···的重量
问重量：How much do/does ····weigh =What’s the weight of··的重量是多少？
9.birth
at birth= when sb was born当(某人)出生时
date of birth= birthday生日
10.up to
up to: ① 达到(某数字, 某种程度)
② 直到···为止 ③ 由某人决定
三、形容词比较级用法
1.形容词原级比较
（1）as＋原级＋as 与······一样······
（2）not as／so＋原级＋as·····不如······
2．形容词比较级
（1）比较级单独使用（暗含比较关系）
（2）比较级＋than
（3）比较级＋and＋比较级 越来越...
（4）the＋比较级，the＋比较级 越...越...
3．形容词最高级
最高级主要用“the＋最高级＋名词（＋表示范围的短语或从句）”结构表示。
4．形容词比较级表示最高级的用法
（1）比较级与否定词连用，表示最高级意义。
（2）比较级＋than＋any other＋单数可数名词
练习
单项选择
1. Now the air in our city is _______ than it used to be. Something must be done to stop it.
A. very good B. much better C. rather bad D. even worse
2. Tian’anmen Square is one of ______ squares in the world.
A. large B. larger C. largest D. the largest
3. Study hard! ____ you study, ____ results you’ll get.
A. Harder; better B. The harder; better. C. The harder; the better D. Harder; the better.
4. －What do you think of the film you saw yesterday
－Oh! It’s one of films I’ve ever seen.
interesting B. more interesting
C. most interesting D. the most interesting
5. ---Which city has _____population, Shunghai, Hong Kong or Qingdao ---Shanghai, of course.
A. the smallest B. the least C. the most D. the largest
6．The white car is ________ beautiful than that black one.
A．very B．much C．more
7．— Is that Liu Ying
— No, that’s Liu Li. Liu Ying has ________ hair than Liu Li.
A．short B．shorter C．shortest D．the shortest
8．When we compare English ________ Math, we find it ________ to learn Math well.
A．to; more difficult B．with; less easier
C．with: more difficult D．to: less difficult
9．We all know the earth is ________ than the sun.
A．bigger B．the smallest C．the biggest D．smaller
10．________ you eat, ________ you’ll be.
A．Much; fatter B．The more; the fatter
C．The more; the fat D．More; the fatter
二、用所给词的适当形式填空
1．Yangtze River is one of the ___________________(long) rivers in the world.
2．I think Sweeney Todd is one of the best ________ (music) in the last 15 years.
3．He is __________ (quiet) boy in my class. He almost never talks.
4．As we all know, summer is the ________ (hot) season in China.
5．Climbing is one of the most ________ (danger) sports in the world.
6. The radio says it’ll be even______ (cold) tomorrow.
7. Who is the____ (good) in physics in your class
8 All the movie theaters are good, but the Big Screen Complex has __________ (comfortable) seats.
9. I don’t want to go to Jack’s clothes store. It has the_____ (bad) clothes in town.
10. What do you think is the_______ (creative) of all the music video
三、根据首字母提示写单词
Though it was really tiring, they s________ in searching the top of the mountain.
Tom a________ his dream to be a writer after trying his best.
Tony worked very hard and s ________ as a famous pianist at last.
Under the p ________ of the government, we feel very safe.
Unless you can study hard, you won’t a ________ your dreams.
6. The number of w________ animals will become smaller and smaller if we don’t take action to protect them.
7. It’s a good idea to do some r________ before you make a decision.
8. The concert tonight was a h_______ success.
9. Thousands of years ago, ancient people read b________ books.
10. In nature, all animals are w________ and free.
四、书面表达
假设你叫李华，最近在报纸上看到一篇关于老虎的报道，为老虎的生存现状感到担忧，请你给某编辑社写一封信(开头已给出)，内容包括以下要点：
1. 老虎是国家保护动物，目前数量日趋减少；
2. 写信原因是看到有人为赚钱滥捕滥杀老虎；
3. 大量砍伐森林，破坏了老虎的生存环境。呼吁严惩捕猎者（hunter）。希望大家共同努力，创建一个人类和动物共存的幸福家园。
Dear Editor,
I’ve just read an article in a newspaper about saving tigers.

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