Unit 7 What’s the highest mountain in the world?
课文重难点讲解
Section A
1. about 9,600 ,000 square kilometers in size. 大小约9,6000,0000平方公里。
【解析1】square ⑴adj. ―平方米‖ , 用于数字后表面积。
an area of 95 square meters 95平方米的面积
⑵ n , 正方形；广场
Many old people like dancing on the square after supper. 【解析2】in size = have /has an area of... （面积）大小 2. 1，025 meters deep 深1，025米 【解析1】1,025 meters ―深1,025米‖
【注】在英语中，表示事物的长、宽、高、深等时，主要有两种表达方式： 结构1：“基数词 + 单位名词+ 形容词（long,wide,tall, deep等）”。 如果数词超过1，单位名词要用复数形式。 【注】单位词有： meter; foot; inch; kilogram 等 Yao Ming is over 2 meters tall. The river is 50 meters wide.
“基数词+ 单位名词+ in + 名词（length; width; height; depth等） two meters long = two meters in length 2米长 three feet high = two feet in height. 3英尺高 结构2： 长、宽、高、深还可用复合形容词表示
“数字+ 量词（单位）+形容词（long/ wide/ tall/ deep等）‖ . 各个词间用连字符连接，常作前置定语修饰名词。 Jeremy Shu-How Lin is a 1.91-meter-tall- basketball player. 【解析2】deep adj. 深的 take a deep breath.深深呼吸 【拓展】 adj → n
deep → depth long → length high→ height wide →width
3. Qomolangma is ___ than any other mountain in the world. 珠穆朗玛峰比世界上任何山都____.
【解析】 “any other +可数名词的单数” 任何其他的 【用法1】any other ―其他任何一个‖ ,后接可数名词单数，
[指在同一范围内除了某人或某物以外的其他任何人或物]
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通常用于比较级，多用于同一范围内相比较。 Shanghai is bigger than any other city in China. 【用法2】 “any other +可数名词单数” 可与 “the other + 可数名词复‖
互换，也可用最高级形式表达。
Lucy is more careful than any other student in her class. (any other + 可数名词单数）
=Lucy is more careful than the other students in her class. (the other + 名词复数）
= Lucy is the most careful student in her class. 4. It’s a lot bigger than the population of the US. （中国）人口比美国多对多。
【解析1】a lot … ……..得多；很多；非常
【辨析】(1) a lot 很多，做副词短语，修饰动词，放在动词之后。
相当于very much.
It usually rains a lot at this time of year. (2)a lot of = lots of + 复数名词
=many +复数名词=much+ 不可数名词
【解析2】 population 人口；人口数量
①population常与定冠词the连用,做主语且强度整体人口时，
谓语动词一般用单数，
The population is increasing faster and faster.
②当主语时“人口的百分之几、几分之几”时，谓语动词常用复数形式。 Three quarters of the population are workers.
③ 表示人口的\\\多\\\或\\\少\\\时, 用\或\The population of China is very large. 中国人口众多
( ) The population of the town is much ___ than that of your town. A. less B. fewer C. smaller
④ 询问某国、某地有多少人口时, 用\\\
How large is the population of your hometown? 你们家乡有多少人口? 提问有多少人口，常用“ what is the population of …?‖ What is the population of Canada? 加拿大的人口有多少? ⑤表示 “某地有多少人口‖ 时，常用
1）The population of ＋某地＋be＋数词（该句型中population前用冠词the。）
2）某地＋has a population of ＋数词＋（people）（该句型中population前用冠词a。） 例如：
The population of China is about 1．3 billion．
＝China has a population of about 1.3 billion．中国大约有13亿人口。
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5. It has a much longer history than the US. （中国）比美国历史长得多。 【解析】much ……得多 （修饰比较级）
类似的词还有：even ―更......‖ , a lot ―很多；......得多” a little ―比......一点‖
My classroom is a little bigger than yours.
6. The US is not even years old. 美国的历史甚至不到____ 年。 【解析】even 甚至 (用在比较级前，表示程度） 【2012山东济宁】In the talent show, I performed well and Ann did even _B__. A. well B .better C. more D. worse 7. Feel free to ask me anything on today’s Great Wall tour. 针对今天的长城之旅，大家可以自由提问我任何问题。
【解析】 tour n 旅行 → tourist n 旅游者→ touristy adj. 游客很多的.
tour guide 导游
My brother wants to be a __________(tourist) guide.
travel v 旅行 → traveller n 旅游者→ travelling adj. 旅行的 travel to … 到……旅行
travel all over the world. 周游世界
【辨析】tour/ trip/ travel/ journey 词语 用法 一般指长途旅行，到国外或远方旅行。travel 还可作动词 travel ―旅行，周游，观光‖ .一般团队都是tour tour 一般指短距离旅行，直达目的地的旅行 trip 有时并不指真正意义的“旅行”， 而只是表示走过一段距离。 journey 【记】 观光游玩用tour ，长途陆路用journey， 短途短期用trip， travel 用法最普遍，特别用于指“游记‖
8. How long is the wall? 长城有多长？ 【解析】how long 多长；多久 ⑴ 对长度提问
— How long is the table? — About 1.2 meters.
⑵ 对时间提问，常用for或since引导的时间状语来回答。
— How long does it take you to do your homework in the evening? — For two hours.
9.The main reason was to protect their part of the country. 主要的原因是保卫自己的国家。
【解析】 protect v “保护” We should protect children.
protect sb./ sth from 保护某人/ 某物使其不受…… Protect your eyes from the sun. 不要让阳光伤害你的眼睛。 10. As you can see , it’s quite tall and wide.
正如你所看到的， 长城非常高，也非常宽广。
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【解析】as ① conj.像……一样，正如 （用来引导状语从句） I was surprised as he opened the door. ② prep. 作为
11. As far as I know, there are no man-made objects as big as this. 据我所知，没有任何一个人造物有长城这么长。 【解析】as far as I know据我所知
as far as ―就......来说，至于......‖ , 引导状语从句，强调范围或程度，
常与动词know, see,等连用，可放在句首或句中。
【记】as far as I can remember 据我所记得的
as far as I can see 依我所见
12. One of the word’s most dangerous sports is mountain climbing,… 登山是世界上最危险的运动之一。
【解析】one of + the adj. 最高级 + 可数名词复数
13 Of all the mountains , Qomolangma rises the highest and is the most famous. 在所有的山峰中， 珠穆朗玛峰最高，最有名。
【解析】famous = well- know adj. 著名的， 有名的
(1) be famous for 因……而著名 （某人因某种知识、技能或特征而出名） China is famous for the Great Wall and Pandas
(2) be famous as 作为…….而出名 （某人以某种身份而出名） Lu Xun was famous as a writer.
14.Even more serious difficulties include freezing weather conditions and heavy storms. （比这） 更严重的困难包括冰冻的天气条件和强烈的暴风雨。 【解析1】include 包括；包含
include v 包括 → including prep 包括 （放在被包括的对象之前）
【解析2】freezing adj. 冻冰的；结冰的 freezing adj. 冻冰的，结冰的 freeze v Today it is freezing cold. frozen adj. 冻结的，被冰覆盖的
I don’t like frozen food.
【解析3】condition 条件；状况
out of condition 不健康，身体不好； in good condition 情况良好；完好
15.It is also very hard to take in air as you get near the top. 并且越接近顶部呼吸越困难。
【解析】take in 吸入； 吞入（体内）
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take after（外貌）相像 take away 拿开 take down 写下，记下 take in吸收，吸纳 take off 起飞；脱下take it easy 别紧张
take to 喜欢，开始从事 take pictures照相 take care of 照顾，照料 16. The first Chinese team did so in 1960 , while the first woman to succeed was Junko Tabei from Japan in 1975.
1960年第一支中国登山队登上了顶峰，1975年日本的田部井淳子成为第一个成功登上顶峰的女子。
【解析1】while conj. 然而 (连接并列句） He is a worker while I am a doctor. conj . 当......的时候，（引导时间状语从句） While I was doing my homework ,my mother came in . 【解析2】succeed v 成功，达到 →success n 成功
→successful adj. 成功的 →successfully adv成功地
◆succeed in doing sth 成功地做某事
17.Why do so many climbers risk their lives? 为什么这么多登山者愿意冒生命危险？
【解析】risk one’s life to do sth 某人舍命做某事
There is a risk of sth/ doing sth 有（做）某事的危险 take risks 冒险
18.One of the main reasons is because people want to challenge themselves in the face of difficulties.
最主要的原因之一是因为人们在面临困难的时候想挑战自我。 【解析1】challenge v/n 挑战
face a challenge 面临挑战
challenge sb. to sth向某人挑战
He challenged me to a race.他向我挑战赛跑。 challenge sb. to do sth 向某人挑战……
【解析2】in the face of 面对（问题、困难等）
They showed courage in the face of danger. 面对危险他们表现出了勇气。 19.The spirit of these climbers shows us that we should never give up trying to achieve our dreams.
这些登山者的精神告诉我们， 我们应该从不放弃实现自己的梦想。 【解析】achieve v 获得；达到； 实现 → achievement n 完成； 成绩 achieve one’s dream = one’s dream comes true实现某人的梦想
词条 是否接宾语 用法 是 主语一般为“人” achieve 否 主语一般是“梦想；理想” come true
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