英语人教版八年级下册unit7 sectionA 1a----2d.doc

Section A 1 (1a 2d)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.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters highStep 4 Explanation8,844 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 Listening 1. 1b Listen and complete the sentences.1) Qomolangma is _ than any other mountain in the world. 2) The Sahara is _ desert in the world.3) The Caspian Sea is _ of all the salt lakes.4) The Nile is _ river in the world.2. 2a Listen and number the facts(1- 4) in the order you hear them.2b Listen again and fill in the blanks in 2a with the numbers in the box.6,300 5,000 5,464 300_ The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long._ China has the biggest population in the world. Its a lot bigger than the population of the US._ China is over _ years old. It has a much longer history than the US. The US is not even _ years old._ China is almost as big as the US, but it is the biggest country in Asia.Step 6 Practice 1c Make conversations in pairs.Examples A: Did you know that China if one of the oldest countries in the world?B: Yes, I did. Its much older than my country.Step 7 2d Read the conversation and answer the questions:1) Which is the biggest man-made objects in the world？2) Which is the most famous part of the Ming Great Wall?Step 8 Language points and summary1. Fell free to ask me anything on todays Great Wall tour. 在今天的长城游中，大家尽管问我任何问题，不要拘束。fell free是英语口语中一个常用表达。若有人让你feel free to do something, 就是让你无需拘束，只管按照自己的意愿去做某事。e.g. A: Can I use your bathroom? 我可以用一下你的卫生间吗？B: Yes, feel free. 可以，请随意。2. As far as I know, there are no man-made objects as big as this. 据我所知，再没有像它这样大的人造物体了。as far as I know是一个固定的表达方式，还可以说so far as I know, 意思是“据我所知”。e.g. As far as I know, Jacks got twin sisters. 就我所知，杰克有一对孪生姐妹。 Theyre not coming today, so far as I know. 他们今天不来了 就我所知