摘要：为了有效提升普通高中英语教师的学科教学水平，搞好高中英语知识的传授效率，提高英语课的课堂教学效益。威廉希尔app 小编分享了高二英语必修5教案，供您参考!

教学目标1. think more ab out the relationship between science and nature.

2. describe some items and atmosphere with scien tific terms.

3. express their opinions on cloned animals and humans as well.

4. develop an interest in doing more reading and research on the topic.

教学重点 Words , phrases and sentence patterns

教学难点 Practical usage

教具 Blackboard , slides and handouts

教学内容 教法学法

Teaching procedures:

Step 1 Lead in (PPT 4-7)

Play a dialogue about height-increasing operations and ask students to fill in the blanks. After checking the answers, allow some time for students to freely express their opinions on height-increasing operations, thus introduce the major topic “science versus nature”。

[Explanation]

用一段有关增高术的听力引入 主题，主要是考虑到这一切入点与实际生活较为贴近，比较容易让学生有话说，作为人类利用科学对自然的东西做出改变的一个典型例子可以顺其自然得引入本课主题。

Step 2 Science versus nature (PPT 8)

1. Explain the word “versus” ( Two sides are against each other)

2. Brainstorming. Ask students to think of other cases in which science goes against nature? The teacher can introduce some new vocabulary  like GM  food and plastic surgery which might be useful in later teaching. Show some pictures to help them better understand these things.

Suggested answers: GM food, cloning, dams, artificial rainfall, organ transplant, air-conditioner, cloud seeding, plastic surgery, euthanasia, etc.

3. Allow students some time to have a light discussion on advantages and disadvantages of any of the above cases.

4. In terms of science versus nature, what do you think the relationship between science and nature should be like?

(Both advance in harmony)

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