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英语必修三《Unit 2 Natural disasters》Reading II精品课教学设计
Unit 1 Nature in the balance
Reading (II)
I. Learning objectives
By the end of the lesson, students will be able to:
1. understand the usage of the following words and expressions: a huge sea of, alive with, play a significant role in, including, variety, while, a number of, survive, in turn, impact;
2. use the above words and expressions in new situations;
3. understand the negative prefixes un-, dis-, in-/im-/il-/ir-, non-;
4. present figures by making comparisons with familiar places or objects.
II. Key competence focus
1. Understand some new words and expressions.
2. Use the new words and expressions in new situations.
III. Predicted area of difficulty
Use the new words and expressions in new situations properly and correctly.
IV. Teaching procedures
Step 1 Lead-in
T asks Ss to review the documentary script by completing a summary. T shows Ss the structure and some keywords to help them summarize the text.
T: Hello, everyone! In the first period of this unit, we’ve learned a documentary script about the Amazon rainforest. Today we’ll review the text, appreciate the language in it, discuss how to use some of the words and phrases, and practise using them in new situations.
T: Would you please summarize the text according to the following keywords?
? Size: the largest rainforest in the world; an area of around 6 million square kilometres
? Plant species: more than 40,000; different levels