2015年秋-市优质资源评比优秀作品-九年级上册-Unit-2-Topic-2SD.ppt.pptVIP

* * Unit 2 Saving the EarthTopic 2 All these problems are very serious. Section D 制作：舒庄一中 修订人：郭红杰 学习目标 1、学习并能说出、写出P41—42的生词，并能进行英汉互译 2、能够说出1a中重要的知识点，能够熟练做题。 3、能够说不定代词和不定副词的用法,并能熟练做题。 【?自学指导1】 1.自学内容：课本P41—42的生词。 2.自学方法：先根据音标试读，同桌互相正 音，提问。 3.自学时间：5分钟 4.自学要求：会读，知道其汉语意思，并能 英汉互译。 自学检测1 英译汉 Avoid______ discover ______thirsty______ Nearly______ law_______ shortage______ Resource______reuse________ 【自学指导2 】 1.自学内容：课本41页的1a 2.自学方法：扫读。 3.自学时间：5分钟 4.自学要求：读1a，完成1b， 1a Read the passage and put the following paragraphs in the correct order. ( ) The sea seems to have the best answer. There is plenty of water in the sea. But we need to take the salt away from the sea water. This is very expensive. If scientists can find cheaper ways to do it, we can solve the problem of the shortage of water. ( ) How can we avoid a serious water shortage? First, we should save water and not waste it. Second, we should protect our water resources and not pollute them. Third, we should discover ways to reuse water. Scientists have made some progress in this field. Today, some large cities are reusing their water. But people’s need for water is increasing day by day. We still don’t have enough water. What else can we do? ( ) Although the world is hungry, it is even thirstier. While nearly ? of the earth is covered with water, we are still short of drinking water. This is because about 97% of the water on the earth is sea water. So we can’t use it for watering plants or drinking directly. Humans can only drink and use fresh water from places including rivers, lakes and underground. 自学检测2 完成课本1b 1b Read 1a again and answer the questions. 1.Why is our world thirsty when ? of the earth is covered with water ? 2. What can we do now to avoid the water shortage? Because about 97% of the water on the earth is sea water, we can’t use it for watering plants or drinking directly. First, we shoul