Unit7 What’s the highest mountain in the world?

　　1. It is adj. + (for sb. ) to do sth.

　　It is very hard to take in air as you get near the top. 当你接近山顶时，连呼吸都会困难。

　　2. ... is because ...

　　One of the main reasons is because people want to challenge themselves in the face of difficulties. 其中的一个主要的原因是人们想要在面临困难时挑战自己。

　　3. ...show(s) (sb) that...

　　The spirit of these climbers shows us that we should never give up trying to achieve our dreams. 这些登山者的精神向我们证明：我们永远都不应 该放弃实现自己的梦想。

　　4. 表达事物的长，宽，高，深……?

　　sth. /sb. +be+数量+单位+形容词long, wide, tall, deep。

　　The river is 2 meters deep.

　　Qomolangma is 8,844.43 meters high.

　　long---length (n. 长度)

　　wide---width (n. 宽度)

　　deep---depth(n. 深度)

　　high----height(n.高度)

　　the length/depth/ width/height/size of sth. … 的长度，深度，宽度，高度，面积

　　5. 问事物的高，深，宽，长…?

　　How high/deep/tall/wide/long/is...?

　　How high is Qomolangma? 珠穆朗玛峰有多高?

　　6. The first Chinese team did so in1960, while the first woman to succeed was Junko Tabei.

　　1) while, 此处是“而，然而，”轻微对比。不是“当…时候”, 用在句中，前面有逗号。

　　2) succeed. v. 成功

　　succeed in doing sth.

　　He succeeded in finishing the work. 他成功的完成了工作。

　　success n.“成功”不可数

　　Confidence is the key to success. 自信是成功的关键。

　　success n. “成功的人，物”，可数

　　He is a great success. 他是一个很成功的人。

　　successful adj. 成功的， successfully adj. 成功地

　　7. Adult pandas spend more than12 hours a day eating 10 kilos of bamboo.

　　bamboo 做“竹子做的食物”或“竹子制品”不可数，bamboo chair;但做植物讲时可数。

　　1) sb. spend + time/money + on sth./in doing sth.

　　2) sb. pay +money +for sth. 某人为某物支付多少钱

　　3) It takes sb + time+ to do sth. 花费某人多长时间做某事

　　4) sth + cost +money 某物值多少钱。

　　8. Canada is a lot less crowded than China. 加拿大不及中国拥挤很多。

　　less+adj+than 不及......

　　Joseph is less honest than his brother. 约瑟夫不像他兄弟那样诚实。

　　less than (中间不加任何词)“少于” There are less than 30 girls in my class. 我们班不足30个女生。

　　more than (中间不加任何词)“超过，多于，相当于over”

　　There are more than 30 girls in my class. 我们班有超过30个女生。