译林版九年级英语下册Unit 4 Life on Mars第5课时示范课教案

Unit 4 Life on Mars

Integrated skills

一、教学目标

1. 掌握重点词汇和短语：risk, percentage, disadvantage, carry out, get ill from, after all

2. 掌握重点句型：

However, some other students were worried about living there.

They were even afraid of aliens there.

They thought aliens were dangerous and would harm people.

I’m not sure if it’s worth the risk.

After all, humans have already been to the Moon.

3. 通过听，获取电视节目的信息以及对话人的观点。
4. 能够运用所学，谈论对于生活在火星的观点和态度。
5. 批判性地看待事物的存在和发展。

二、教学重点及难点

重点：

1. 指导学生通过听，获取电视节目的信息，以及对话人的观点。

2. 能够运用所学，谈论对于生活在火星的观点和态度。

难点：

指导学生能够运用所学，用英语谈论对于生活在火星的观点和态度。

三、教学过程

Task 1

Step 1 Warming-up

Guide Ss to look at some pictures and learn about Mars.

【设计意图】通过图片了解火星相关背景知识，为下边谈论火星生活提供依据。

Step 2 Pre-listening

Guide Ss to learn new words.

Guide Ss to have a free talk: (1) Do you want to live on Mars in the future? (2) Why or why not?

【设计意图】听前引导学生学习新词汇，并思考与话题一致的相关问题，了解学生已知，同时，降低听力障碍。
3. Show listening tips to help Ss to improve their listening ability.
【设计意图】听前指导学生听力策略，有助于学生成功获取答案。

Step 3 While listening

Guide Ss to listen and take notes.

【设计意图】引导学生边听边做记录，培养学生获取细节信息的能力。

2. Guide Ss to listen to the TV programme and understand the main idea.

【设计意图】通过听获取大意，整体感知语篇，培养学生获取大意的能力。

3. Guide Ss to listen to the pragramme again and write down the advantages and the disadvantages of living on Mars.

【设计意图】通过听获取细节信息，为学生有理有据表达提供证据，培养学生获取细节信息的能力。

Step4 Post-listening

1. Guide Ss to complete the conversation.

T: How do Daniel and Sandy feel about the programme?

【设计意图】通过引导学生完成对话，再次内化语言和信息，并帮助学生确认在听中存在的问题。讨论活动引导学生关注对话人的情感态度，进一步探究主题意义。

Task 2

Step 1 Pre-listening

Guide Ss to discuss and share their ideas.

Would you like to live on Mars?

【设计意图】通过引导学生讨论，将上述对话内容关联学生自身，引发学生独立思考。

Step 2 While-listening

Guide Ss to listen and answer the questions.

【设计意图】通过听，引导学生关注Sandy对于火星生活的观点和态度，为学生进一步获取深层信息做铺垫。

Step 3 Post-listening

Guide Ss to discuss first, and then give their groups’ opinions about living on Mars.

【设计意图】引导学生深层思考火星生活，并能批判性地表达自己的观点。教师提供一些参考句型，并给予一定的时间准备，提高学生情境下的语言储备，即时生成的语言真实有效，达到学以致用。

Step 4 Summary

Summarize what they’ve learnt in this class.

Step 5 Homework

1. Search more information about Mars on the Internet.

2. Practice reading aloud the dialogue after the recording.

【设计意图】朗读背诵帮助学生积累语言，训练学生朗读能力，上网搜索信息拓宽学生学用渠道。

四、板书设计

Unit 4 Life on Mars

Integrated skills

Earth or Mars?

water     oxygen     food        gravity

houses    schools     free time     …

Advantages

Disadvantages