BOOKI Period Ⅰ Module 5 A Lesson in a Lab
Oct 一、Introduction.
1. Words about general science. Translate the following:
1. 大众科学 2.固体 3. 液体 4. 气体
5. 存在 6. 加热 8. 收缩 9. 金属 11. 铁 12. 混合物 14. 氧气 15. 表面 17. 人造的 7. 膨胀 10. 钢 13. 物质
16. 自然的,天然的 2. Do Ex. 1, 2, 3, (P41)
二、Vocabulary and Speaking.
Language study
1. (1)十二（一打） (2)二十 (3)百 (4)千
(5)百万 (6)十亿 (8) scores of (9)hundreds of
(7)dozens of
(10)thousands of (11)millions of 2. 分数：1/3 4/5 a quarter 3/4
口诀：“分子基数词，分母序数词。分子大于1，分母加s” 三、Reading and Vocabulary
Reading comprehension
Ⅰ. Listen to passage A and fill in the blanks.
It is hard to a world without metals. Different metals have different uses, , steel is used in cars, and iron electrical equipment. When we use metals, it is important to know how they with different , for example, water and oxygen. The of metals can be Here is a table with metals that react most , and the metals that react least . Ⅱ. Read passage B and fill in the blanks
1. Passage B shows us 2. The first part of passage B mainly tells us 3. The text describes the reaction of iron in , and . 4. In the experiment, cotton wool is used to and oil is used to .
1
5. please write down the three conclusions of the experiment
(1) (2) (3) Ⅲ. Read the passage A & B carefully and answer the following question. 1. Which is the best title for the passage A? A. The Different uses of Metals
B. The Reaction of Metals
D. The Reaction of Metals with Oxygen
C. The Reaction of Metals with Water
2. 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
3. Which metal doesn’t react with water? A. Sodium
B. Iron
C. Copper
D. Potassium
4. Which metal reacts with steam? A. Calcium
B. Zinc
C. Copper
D. Sodium
5. If you put a shovel (铁锨)in a damp place, it will there. A. rust
B. form an oxide
C. not rust
D. keep the place dry
6. Iron rusts in . A. dry air
B. air-free water
C. ordinary air
D. ordinary water
7. According to Passage B, we know that the “air-free water” probably means . A. air with a lot of water C. water with plenty of air
B. air without water D. water without air
参考答案：
一、1. general science
7. expand
2. solid
3. liquid
4. air
5. exist
6. heat
8. contract 9. metal 10. steel 11. iron 12. mixture
13. substance 二、1. dozen
14. oxygen 15. surface 16. natural
3. hundred
4. thousand
17. man-made 5. million
6. billion
2. score
7. 许多，大量的 11. 百万计的
8. 许多
for fifths
9. 成百上千 10. 成千上万的
Ⅱ. 分数：one third 1/4 three quarters
reaction
三、Ⅰ. think of for example put in order
is used in react substances
at the bottom
at the top
Ⅱ. 1. how iron reacts with air and with water
2
2. the aim and the apparatus of the experiment 3. dry air, air-free water ordinary water
4. keep the air dry keep the air out of the water 5. (1)Iron does not rust in dry air (3)Iron rusts in ordinary water Ⅲ. 1. B
2. C
3. C
4. B
5. A
6. D
7. D
(2) Iron does not rust in air-free water
Period Ⅱ
Module 5 Introduction & Reading
Oct
Ⅰ. Language points:
1. exist v. 存在，生存existence n. 使产生，成立 开始存在，产生 你相信存在上帝吗？ 2. heat n. 热，热度 v. 加热，使兴奋
1) Every morning (她只温些牛奶作早餐)。 2) (神舟6号发射使我们很兴奋) 3) The sun (给我们光和热). 4) (热烈的讨论) 3. expand v. 膨胀，伸展，扩大 contract v. 收缩
Metals .(金属受热膨胀，受冷收缩) 4.mixture n.混合物 mix v. 混合 mixed 混合的，男女混杂的 1)mix up 搅和，混淆
(把面粉和水搅匀。) 2) (油和水不相融). 3)你若把蓝色和黄色混合起来，就配成了绿色。
4)这是个男女同校的学校。 5. twice as large as … / forty-nine times large than… 我们教室是他们教室的三倍大。
1) 2) 3) 6. 分数百分数表示法：分子基数词，分母序数词，分子大于1，分母加“s”。 2/3 1/5 10%
35%
1)三分之一的钱用在了买衣服上。
3
2)在场的三分之二的人都反对这个计划。
3)You can believe him. has been done.
A. Ninety-nine percents of the work C. Half of what he promised
B. Two fifth of the article D. Three quarter of the business
7. It’s hard to think of a world without metals.
It’s important to know how they react with different substances. It is +adj.(n) +for (of) sb. to do sth.
1) master a foreign language. （对年轻人来说掌握一门外语是很必要的。）
2) . (准时是很重要的) 3) . (他帮助我真是太善良了) 8. put sth. in order in order out of order
in good order in order of … 1) Lily, (把你的东西整理好)after you play with them.
2) After the experiment, (一切都有序地排列在器皿柜中).
9. add some oil to the water
add…to … add to add up add up to 1) She . (她在咖啡里加上些糖)。 2) Your carelessness . (增加了我们的困难)。 3) . (把这些数字加起来) 4) The money he spent 10. conclusion n. 结论，推论 conclude v. 下结论，推断出
得出结论 我断定他不适合这项工作
Ⅱ. Exercises:
1. general science 3、太阳到地球的距离 5、人造的 7、科学实验 9、一打
2、地球表面 4、三分之二的学生 6、按正确顺序 8. electrical equipment 10、二十个 11、在?底部
13、得出结论 15、把?加到?上 12. keep …out of … 14、热烈的讨论
16、按顺序排列起来 Period
Ⅲ
Module 5 A Lesson in a Lab
4
Oct Grammar Degrees of
comparison.
Ⅰ. 比较等级结构的用法 1、原级比较句式有：
(1)A is not so (as) adj/ adv. as B. A不如B?? Xiao Wang is as tall as Xiao Liu.
This building looks not so / as high as that one. (2) as +adj. +n. +as =as +adj. +a/ an +n. +as I have as many books as Tom. 2、比较级的结构和用法
(1)双方比较表示一方超过另一方，用“比较级+than”的结构表示。 This pen is better than that one.
(2)表示一方不及另一方时，用“less+原级+than”的结构表示。 This room is less beautiful than that one.
(3)表示一方随另一方的程度而变化时，用“the+比较级（+主语+谓语），the +比较级（主语+谓 语）”的结构。例如：
他越努力工作，越感到高兴。 (4)不与其他事物相比，表示本身程度的改变时，用“比较级+and+比较级”的结构。
天气变得越来越冷了。 (5)“the + 比较级+of the two”表示两者之中“较??的一个更??”
Who wants ? 谁要这两个中大的那个？
(6)某些以or结尾的形容词进行比较时，用to代替than, 这些词有inferior, superior, junior, senior, prior等。
He is superior to Xiao Zhang in maths. 在数学方面他比小张优秀。 (7)表示倍数的比较，有以下几种句型：
①A is three (four, …) times the size (height, length, width, depth…) of B. ②A is three (four, …) times as big (high, long, wide…)as B. ③A is three (four, …) times bigger (higher, longer…) than B.
▲注意：用times 表示倍数，一般只限于表示包括基数在内3倍或3倍以上的数，表示两倍可以用twice。
3、最高级的用法
5
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