Unit 9 Wheels（5）Lesson 3 Clean MachinesA Tip: When a door shuts another opens. 一扇门关上了，另一扇门会敞开。Learning Aims: 1. Read the interview “Solar Car Racing” to improve English reading ability.2. Master the new words and phrases in this lesson.Learning important point: Understand the text and learn about the benefits that the solar car will bring.Learning Steps:Step 1. Pre-reading 话题自主探究（A 级）What are the differences between ordinary cars and solar cars? Step 2 重点短语（A 级）1.为..担心，忧虑… 2.迄今为止 3.发生 举行 4.对…有好的印象 5.说服某人相信某事 6.一直，始终 7.世界太阳能汽车挑战赛 8.参加 9.达到每小时 80 公里的速度 Step 3 Read the interview “Solar car racing” and decide if these statements are true or false.1. Marie Logan began designing cars when she was a student. 2. She has won most of her races. 3. The team has nearly finished building a solar car. 4. Marie has written a book about solar cars. 5. Solar cars can work in cloudy weather. Step 4 疑难解析（B 级）1. so far 到目前为止，迄今为止【课文原句】 The scientist is doing experiments no one has so far attempted. 科学家们正在作一项迄今为止没人做过的实验。Detectives are so far at a loss to explain the reason for his death.至今侦探对他的死因仍茫然不解。What do you think of the show so far? 2.take place 意思 【课文原句】 take place 为不及物动词词组，后不能接宾语，且无被动语态，类似的还有：break out, come about, happen, occur 等。【翻译】昨天那儿发生了什么事？用心 爱心 专心1 When the meeting will take place is not decided yet. take the place of 取代，代替 take one’s place 某人的座位 give place to sb/sth 让位于【翻译】 ：没人能取代他的母亲。 3.很久以来，人们一直为汽油，煤油等燃料造成的污染担忧。【课文原句】 “caused by fuels like petrol and gas” 是 在句中作...
