2017-2018英语（外研版）同步讲练课件：必修1 Module 5 A Lesson in a Lab--第1课时（共27张含答案）
文档属性
| 名称 | 2017-2018英语（外研版）同步讲练课件：必修1 Module 5 A Lesson in a Lab--第1课时（共27张含答案） |  | |
| 格式 | zip | ||
| 文件大小 | 1.2MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2017-09-10 10:31:59 | ||
图片预览
文档简介
课件27张PPT。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. expandsmixturesubstancesreact4. 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. rustBoilordinaryconclusionstageⅡ. 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……ofofatwithto6. keep. . . out __ 不让……进入
7. put. . . __order 按顺序排列……
8. find ___ 查明; 弄清ofinoutⅢ. 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. balancetest tubeBunsen burnerflaskDiscussion:
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 metalshow iron reacts with air and withwaterStep 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; copper2. 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. Cotton wool. B. Oil.
C. Iron nails. D. Test tube holder. Ⅱ. Read Passage B and place the following sentences in correct order.
1. Put two or three clean nails in the water.
2. Leave the tube for one week.
3. Half-fill a test tube with water.
4. Add some oil to the water.
5. Boil the water for three minutes. Ⅲ. Sentence explanation.
1. When we use metals, it is important to know how
they react with different substances, for example, water
and oxygen.
分析: (1)这是一个主从复合句, _____引导一个时间状语
从句, 主句中__作形式主语, 真正的主语是to know
how. . . oxygen. 。whenit(2)主句中包含一个____引导的宾语从句。
句意: 当我们使用金属时, 了解金属与不同的物质如何
发生反应, 例如水和氧气, 这一点很重要。how2. Here is a table with the metals that react most at the top, and the metals that react least at the bottom. 分析: 句意: _____________________, 列于顶部的金属反应最
剧烈, 底部的则最缓慢。这里是一张金属反应表Step 4 Retelling
Fill in the blanks with proper words according to
Passages A and B.
Metals are very important, so when using them we
should know how they 1. _____with different substances.
Take iron used in 2. ________equipment for example,
when 3. ______in oxygen, it will react slowly. When it isreactelectricalheatedput together with water or steam, there will be a partial
4. _______. reaction So in order to find out if iron 5. _____in dry air, in
air-free water and in 6. ________water, we will have a
simple scientific experiment. The first part of the
experiment shows that iron doesn’t rust in dry air. rustsordinary In the second part of the experiment, boil the water
for three minutes to make sure there is no air in the
water. You add some oil to the water because this
7. _____air out of it. It also shows thatiron does not rust
in water 8. _______air. 9. ________, the nails rust in the
tube with ordinary water in the third part of the
10. __________. keepswithoutHoweverexperiment That is how iron reacts with air and with water.
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. expandsmixturesubstancesreact4. 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. rustBoilordinaryconclusionstageⅡ. 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……ofofatwithto6. keep. . . out __ 不让……进入
7. put. . . __order 按顺序排列……
8. find ___ 查明; 弄清ofinoutⅢ. 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. balancetest tubeBunsen burnerflaskDiscussion:
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 metalshow iron reacts with air and withwaterStep 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; copper2. 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. Cotton wool. B. Oil.
C. Iron nails. D. Test tube holder. Ⅱ. Read Passage B and place the following sentences in correct order.
1. Put two or three clean nails in the water.
2. Leave the tube for one week.
3. Half-fill a test tube with water.
4. Add some oil to the water.
5. Boil the water for three minutes. Ⅲ. Sentence explanation.
1. When we use metals, it is important to know how
they react with different substances, for example, water
and oxygen.
分析: (1)这是一个主从复合句, _____引导一个时间状语
从句, 主句中__作形式主语, 真正的主语是to know
how. . . oxygen. 。whenit(2)主句中包含一个____引导的宾语从句。
句意: 当我们使用金属时, 了解金属与不同的物质如何
发生反应, 例如水和氧气, 这一点很重要。how2. Here is a table with the metals that react most at the top, and the metals that react least at the bottom. 分析: 句意: _____________________, 列于顶部的金属反应最
剧烈, 底部的则最缓慢。这里是一张金属反应表Step 4 Retelling
Fill in the blanks with proper words according to
Passages A and B.
Metals are very important, so when using them we
should know how they 1. _____with different substances.
Take iron used in 2. ________equipment for example,
when 3. ______in oxygen, it will react slowly. When it isreactelectricalheatedput together with water or steam, there will be a partial
4. _______. reaction So in order to find out if iron 5. _____in dry air, in
air-free water and in 6. ________water, we will have a
simple scientific experiment. The first part of the
experiment shows that iron doesn’t rust in dry air. rustsordinary In the second part of the experiment, boil the water
for three minutes to make sure there is no air in the
water. You add some oil to the water because this
7. _____air out of it. It also shows thatiron does not rust
in water 8. _______air. 9. ________, the nails rust in the
tube with ordinary water in the third part of the
10. __________. keepswithoutHoweverexperiment That is how iron reacts with air and with water.