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1、Module 5 A Lesson in a LabPeriod I Reading Passage Aelectrical adj. 用电的，与电有关的用电的，与电有关的electricity n. 电电equipment n. 设备，装备设备，装备react vi. （化学）反应（化学）反应reaction n. 反应反应oxide n. 氧化物氧化物steam n. 蒸汽，蒸汽， 水气水气【课内探究课内探究】Passage A:Task： Read the text quickly and choose the best title for it.A. The Different Use
2、s of MetalsB. The Reaction of Metals with OxygenC. The Reaction of MetalsTask:Read the passage again and finish the exercise.1. The first sentence “It is hard to think of a world without metals” will make us think_.A .metals make up the world B. metals play a greatly important role in the worldC. th
3、ere would be no world if there were no metalsD. it is difficult for us to live in the world of metals2. The table in the passage is arranged in order of _.A. metal kinds B. reaction activities C. values of metal D. the first letters of the wordsTask ConsolidationWhat is the correct order to describe
4、 the stages of a scientific experiment?A. conclusion B. aim C. result D. methodB. aimD. methodC. resultA. conclusionLook at the pictures. Do you know the names of the equipment？test tube tongs balance crucible Bunsen burner 1. Which is required as one of the apparatuses （器材）（器材） in the experiment of
5、 “Iron in ordinary water”?A.Oil B. Cotton B.C. Bunsen burner酒精灯酒精灯 D. Test tube holder 试管夹试管夹2. Which is Not the apparatus that is required in the experiment of “Iron in dry air” ?A. Cotton wool B. Oil C. Iron nails D. Test tube holder3. The purpose of the experiment is _A .to find out how iron reac
6、ts with water and air B. to find out how important iron is C. to find out how to do the experiment of irons reaction with water and airD. to find out how to keep iron rustlessPassage B: 根据课文内容选择正确答案。根据课文内容选择正确答案。Read the passage and complete the table.cottonwoolnailsIron does not rust.waterIron does
7、not rust.waterwaterIron rusts.Summary: It is hard to 1._ a world without metals .When we use metals, it is 2._ to know how they 3._ with different substances. The reaction of metals with these substances can be put in 4._. The following is a table with the metals that react most 5._and the metals th
8、at react 6._at the bottom. Here is an experiment which shows us how iron r_7 with air and water. After the experiment , we can draw a c_8_that when air is dry, iron doesnt 9_. Even if iron is put in water, it wont rust if there is no air in the water. Iron rusts only if it is put in 10._ water.think
9、 ofimportantreactorderat the topleasteactonclusionrustordinaryTask 疯狂英语疯狂英语【重点短语背诵重点短语背诵】1. 存在于存在于2. 的混合物的混合物3. 三分之二三分之二4. 想出，想到想出，想到5. 与与反应反应6. 按顺序排列按顺序排列7. 在顶端在顶端8. 在底端在底端exist asa mixture oftwo thirdsthink ofreact withput sth. in orderat the top ofat the bottom of9. 9. 查明，找出查明，找出10.10.没有空气的水没有空气的
10、水11.11.确保确保12.12.把把加入加入13.13.不让不让进入；使进入；使置身于置身于之外之外 14.14.用用 装满装满15.15.以以为骄傲为骄傲find outair-free watermake sureadd.tokeep.out offill withbe proud of【重点句子背诵】1. Water exists as a solid, a liquid and a gas. 水以固体、液体和气体状态存在。水以固体、液体和气体状态存在。2. It is hard to think of a world without metals.很难想象一个没有金属的世界。很难想象
11、一个没有金属的世界。3. When we use metals, it is important to know how they react with different substances.使用金属时，要了解金属和不同物质如何发生反应，这一点很使用金属时，要了解金属和不同物质如何发生反应，这一点很重要。重要。4. The reaction of metals with these substances can be put in order. （不同的）金属与这些物质的反应程度可以按顺序排列起来。（不同的）金属与这些物质的反应程度可以按顺序排列起来。5. Here is a table
12、with the metals that react most at the top, and the metals that react least at the bottom.下列是一张金属反应表，列于顶部的金属反应最剧烈，下列是一张金属反应表，列于顶部的金属反应最剧烈，下部的则最缓慢。下部的则最缓慢。6. Below is a description of a simple scientific experiment.下面是对一个简单科学实验的描述。下面是对一个简单科学实验的描述。7. This makes sure there is no air in the water.这可以保证水
13、中无空气。这可以保证水中无空气。8. Add some oil to the water. This will keep air out of water.在水中加些油。这样做可以防止空气进入水在水中加些油。这样做可以防止空气进入水。1. It is hard to think of a world without metals.2. When we use metals, it is important to know how they react with different substances.3. Here is a table with the metals that react most at the top, and the metals that react least at the bottom.句子分析句子分析
