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外研版高中英语book 1 module 5 Introduction


英科学家研制苍蝇机器人

Introduction -1.Brainstorming (2m)

How much do you know

about general science?

Einstein

Introduction – 2.Free talk(3m) What do you know about the things shown below?

Introduction - 3.Quiz time.(4m) Choose the correct answers to the quiz in Part 1. Then listen and check your answers. Answers: 1.Water exists as a solid, a liquid and a gas. 2. When you heat a metal, it expands.

3. Steel is a mixture of iron and other
substances.

4. Two-thirds of the earth’s surface is water.
5. The distance of the sun from the earth is

150,500,500 kilometres.
6. The earth is 4.6 billion years old.

7. The earth is forty-nine times larger than the
moon.

Introduction – 4.Classification(2m) Put the words in pairs or groups
contract air oxygen moon expand sun 1 2 earth solid gas moon liquid solid

air – gas - oxygen contract - expand earth – sun - moon gas – liquid - solid

3
4

Introduction – 5. Classification(2m) Put words in the right place.

electricity steel
natural manmade

iron air
electricity iron some metals

metal glass
air

steel glass some metals electricity some metals (alloy for example)

both

Language points

1.Water exsits as a solid, a liquid and a gas. exist vi. 存在;生存(不用于进行时) existence n. 存在;生存 come into existence 产生; 出现 e.g. ①盐存在于很多东西里。 Salt exists in many things. ②没有空气我们无法生存。 We can’t exist without air. ③ 我们知道世界是何时产生的吗? Do you know when this world came into existence?

2. When you heat a metal, it expands. heat n. 热量;热度,激动 vt. /vi. 加热,使变热(常和up连用) heated adj. 热烈的,激烈的; 愤怒的 e.g. ① 进去之前先测一下水温。 Test the heat of the water before getting in. ② “不,我不会的。”他说,声音里带着怒气。 “No, I won’t,” he said with heat in his voice. ③ 她把汤加热了一下。 She heated up the soup. ④ 激烈的争论 a heated argument

expand vt./vi. 膨胀,扩大;展开气球充气会 膨胀。 气球充满了空气会膨胀。 A balloon expands as it is filled with air. expand into 扩大成为?? 他的公司因盲目扩大陷入困境。 His copmpany expanded into a bog one. expand on 补充,阐述?? 他进一步阐述了他的新理论。 He expaned on his new theory.

3. When you heat a metal, it contracts. contract vt./vi. 收缩;签订合同 n. 合同;契 约 e.g. 金属热胀冷缩。 Metals expand when they are heated and contract when cooled. 签定合同 sign a contract 订立合同 make a contract draw up a contract

草拟合同

4. Steel is a mixture of iron and other substances. mixture n.混合物 e.g. 空气是一种混合物。 Air is a mixture. mix v. 混合,相融合,相处,交往 e.g. 水和油互不相溶。 Oil and water will not mix. 拓展: be mixed up in sth. 与??有牵连 be\get mixed up with sb. 与某人来往 Eg. 我不想和他往来。 I don’t want to be mixed up with him.

substance n. [c] 物质 水合冰是不同状态的同一种物质. Water and ice are the same substance in different forms. 化学物质 A chemical substance [u]本质,实质 ,内容 Eg.他一直在探讨宗教的实质。 He has been considering the substance of religion. 他的论文缺乏内容。 His paper lacks substance.

5. The earth is forty-nine times larger than the moon. 倍数表达方式 ① 倍数+as +形容词+as e.g. The house is twice as large as that one. ② 倍数+形容词的比较级+than e.g. This house is twice larger than that one. ③ 倍数+ the size (length, width, height, depth) of… e.g. This house is twice the size of that one.以
上注:三个句子都译为“这个房子是那个房子的两 个大。”

Exercises
B 1. Why not try to ____your story into a novel? A. expend C. expense B. expand D. expect

2. The computer department has been ____to a few computer experts . A A. contracted B. contracting C. connected D. joined C 3. I don’t want to be ________the affair. A. mixed up B. mixed with C.mixed up in D.mixed in

4. According to his father’s will, he will A get____of possessions. A. two thirds B. second three C. two third D. two in thirds 5. It is said that the Yong Le Clock is A ____a man. A. 3 times as tall as B. 3 times as tall than C. 3 time as tall as D. 3 times as taller than


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