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. Wow，that's amazing! 哇， 真令人吃惊！【解析】amazing adj. 惊人的，令人吃惊的

10.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。

11. 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。

【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 I get job as a teacher.

12. 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

13. 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

14. The Himalayas run along the southwestern part of China. 喜马拉雅山在中国西北部。【解析】southwestern 西南方向的

15. 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.

16.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

freeze v Today it is freezing cold.

　　　　　　　　　　 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

17.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）take after（外貌）相像 take away 拿开 take down 写下，记下

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

18. 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

19.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

20. 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。

21.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