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《Using LanguageⅠ》教案优质课下载
Have students learn and talk about disadvantages of chemical farming and advantages of organic farming.
Master some key words and phrases: chemical, organic, build up, lead to, keep…free from, focus on, production, cause damage to.
Important and different teaching points:
Enable students to learn to use strategies such as skimming, scanning, and so on to do their reading.
To understand the main ideas by grasping some important information.
Teaching aids:
A multimedia project, textbook
Teaching procedure:
Step Ⅰ. Lead in
① Do you play QQ farming? Do you know how to play it?
Answers: First, we need to buy or select the seeds from the store.
Second, we need to plough or turn over the soil.
Third, we sow the seeds in the soil.
Finally, we can harvest our grain.
② In order to increase production of the crops, we need to water the crop, remove the weeds, and kill off the pest.
T: Sometimes, we also use this one to fertilize the soil. What is it?
S: It is fertilizer.
T: How many kinds of fertilizers do you know?
S: There are two kinds. They are chemical＆natural fertilizers.
Step Ⅱ. Presentation
Chemical farming is a farming by using chemical fertilizers while organic farming is a farming by using natural fertilizers usually animal waste. Which one is better, chemical or organic farming?
Today we’ll know it after learning the reading, open the book and turn to page14.
Step Ⅲ.Listening
1. Listen to the tape and find out what's the main idea of the whole passage.
Answers: Chemical fertilizers can cause many problems, so organic farming is becoming more popular.