人教2003课标版《Using LanguageⅠ》优质课教案下载

人教2003课标版《Using LanguageⅠ》最新教案优质课下载

The class is made up of 45 students, who have learnt the reading part of this unit. They obtain the knowledge of Yuan Longping and his achievements, but know little about chemical farming and organic farming.

三．重点难点 评论

1. the disadvantages of chemical farming and advantages of organic farming;

2. the summary of the main idea for each paragraph;

活动1【导入】lead　in　the　ways　of　farming by showing a picture

During the past decades ,with the help of chemical fertilizers food production increased greatly. But because of chemical fertilizer, the land damage .so how can we increase food production as well as keep health.

活动2【讲授】fast－reading　

1. Find out the topic sentence in each paragraph.

2. Encourage students to use their own words to summarize the main idea for each paragraph.

活动3【讲授】careful　reading

1) Read para1

Q1: Why are chemical fertilizers so popular in farming today?

Q2: What problems can be caused by using chemical fertilizers?

Listen to para2 and complete the table.

damage the __________by killing the __________ bacteria and pests

as well as the __________ onesdamage people’s

__________by__________ in people’s body and many chemicals can _______ cancer or other illnesses.make the fruit, __________ and other foodgrow too fast to be full of much __________;

have more water than vitamin and __________2) Read para3

Q1: What is organic farming?

Q2: What do they prefer to use? Any advantages?

3) Read para4

Q: What other methods do they prefer to use?

goal…

活动4 【巩固】Consolidation

1.Do you know the problems caused by using pesticide(农药) ?