Unit 7 part A 教学设计【教学目标】Knowledge objectiveWarming up and Pre-readingKey words: in size, in the world, 2 meters tall/long/wide, the biggest population, one of thebiggest, the most popular question, talk about, the ancient emperors, the main reason, as far as I know, no man-made objects, mountain climbing, the southwestern part of China, thick clouds, cover the top, risk ones life, challenge oneself, achieve ones dream，the forest of nature, try to do sth., the spirit of the climbers, many times more than ,live up to, prepare for., be awake, be special to sb., spend some time doing sth., in the remaining forest, endangered animals, in the future【教学重点】get information from the textlearn new words and expressions【教学难点】skimming and scanning【教学方法】PWP method, task-based method and interactive approach【教学手段】A tape recorder, multimedia and some pictures【教学过程】Teaching Procedures:Step 1 Presentationsquare n. 平方 meter n. 米 deep adj. 深的desert n. 沙漠 population n. 人口 population n. 人口Asia n. 亚洲 tour v. n. 旅行 tourist n. 旅行者wall n. 墙 amazing adj. 令人大为惊奇的ancient adj. 古代的 wide adj. 宽的；宽阔和 Step 2 Warming-up1. Watch the photos and talk about them How big/high/long/big is ? And help the students to answer: Its meters/kilometers/cm big/high/long/big.2. Look these photos and practice the dialogue:e.g. A: How high is Qomolangma?B: Its 8,844 meters high.Step 3 1a Match the facts you know.Practice in pairs using the information in 1a. Step 4 Explaination8,844 meters high. 8,844米高 meters high (long, wide)米高（长,宽)。英语表示有多长（宽，高）时，一般将数词和数量单位放在表示长宽高的形容词前作状语。e.g. The wall is 1.7 metres wide.Step 5 summary1. Ask students about what they have learnt in class2. conclude the text and assign homework