初二英语第七单元.doc

Unit7 What’s the highest mountain in the world 重点短语 take in 吸，吞入（体内） in the face of 面对（问题、困难） at birth 出生时 many times 许多倍 more than 超过 endangered animals 濒临灭绝的动物 give up 放弃 fall over 摔倒 die from 死于 cut down 砍伐，砍到 achieve one’s dream 实现某人的梦想 重点句子 1. What’s the highest mountain in the world? 2. As far as I know, there are no man-made bojects as big as this 3. Even more serious difficulties include freezing weather conditions and heavy storms. 4. One of the main reasons is because people want to challenge themselves in the face of difficulties. 5. Adult pandas spend more than 12 hours a day eating about 10 kilos of bamboo. 6. Teaching children is one way to help save pandas. 语法 形容词和副词的比较级和最高级 数量表达法 当表示“长，宽，高等”概念时，英语中通常将数字放在单位词的前面，而将表示长、宽、高等的词放在单位词的后面。 固定句式为“主语+ be+ 数词+ 形容词（长、宽、高........)”。对其中的数词提问用“how + 形容词 + be + 主语？”。 Eg. The boy is 1.7 meters tall. This building is 90 meters high. 【拓展】 表示“长、宽、高、深等”概念时，还可以用long, wide, high, deep等形容词的名词形式，在其前加介词“in” 来表示。 Eg. The snow is two feet in depth. 2. China has the biggest population in the world. (1) population 是集体名词，没有复数形式。当它作主语表示整体概念时，其后的谓语动词用单数形式。 Eg. The population of China is 1, 300, 000. (2) 指人口“多”或“少”时，一般用large 或small来表示，由于population 为不可数名词，因此不能用many 或 (a) few 来修饰。 Eg. The population of the USA is smaller than that of China. (3) 提问“有多少人口”， 用 what 或 how large， 而不用 how many 或 How much。 Eg. What’s the population of China? How large is the population of Beijing? 例题1 (1) The Sutong Highway Bridge, a ________ bridge, is already open to traffic. A.32 kilometer long B.32-kilometer-long C.32 kilometers long D.32-kilometers- long This river is 2, 000 kilometers ______ and 2 kilometers ______. wide, long B.long, widely C.long, wide D.widely, long 例题2 _____ the population of Hong Kong? — Seven million people. How is B. How much is C. What are D. What is The main reason was to protect China. [句子解析】此句中 to protect China 为动词不定式作表语 (1