课时讲练通2017_2018学年高中英语Module5ALessoninaLabPeriod1IntroductionReadingandVocabulary课件外研版必修1.pptVIP

Module 5　A Lesson in a Lab Period 1　Introduction Reading and Vocabulary文本研读课 Ⅰ. 根据汉语提示及课文语境写出正确的单词 1. When you heat a metal, it ________(膨胀). 2. Steel is a _______(混合物)of iron and other __________ (物质). 3. Here is a table with the metals that _____(反应) most at the top. expands mixture substances react 4. Iron does not ____(生锈)in dry air. 5. ____(煮沸)the water for three minutes. 6. Iron rusts in ________(普通的)water. 7. In __________(总结), walking is a cheap, safe and enjoyable form of exercise. 8. The conference marked an important _____(阶段)in the two countries’ relationship. rust Boil ordinary conclusion stage Ⅱ. 补全短语 1. a mixture __　　　 一种……与……的混合物 2. think __ 想象; 想出 3. __the top of 在……顶部 4. react ____ 与……反应 5. add. . . __. . . 把……加入到…… of of at with to 6. keep. . . out __ 不让……进入 7. put. . . __order 按顺序排列…… 8. find ___ 查明; 弄清 of in out Ⅲ. 阅读导引 1. 查阅一下元素周期表, 看一下文中涉及的金属与水和氧气的反应情况。 2. 在课文中找出描写实验现象的句子。 Step 1　Leading in Look at the following pictures and write down their English names. balance test tube Bunsen burner flask Discussion: What substances do you know? Can you speak them in English? ___________________________________________ __________ Oxygen, potassium, sodium, calcium, magnesium, aluminium. Step 2　Fast Reading Think it over and summarize the general idea of the text. Passage A mainly talks about ___________________; Passage B shows us _____________________________ _____. the reaction of metals how iron reacts with air and with water Step 3　Careful Reading Ⅰ. Read the text carefully and choose the best answers. 1. According to Passage A, we know that________is often used in cars, and________is often used in electrical equipment. A. steel; copper　　　　　 B. iron; zinc C. steel; iron D. iron; copper 2. According to the table, which metal is the most suitable to make our daily kitchenware? A. Zinc. 　　　 B. Iron. C. Copper. 　　　 D. Magnesium. 3. Which is NOT the equipment that is needed in the experiment of“Iron in dry air”? A