StepⅡWatching and Listening

　　1. Listen and read aloud the text after the tape. Pay attention to intonation and pronunciation. Ask Ss to try to find the answers or key words for the topics on the Bb.

　　1).What happened three billion years ago?

　　2).What happened between the years 1550 and 1950?

　　3).What about by the year 1985?

　　4).Why is the tiger in China in danger?

　　5).Why is the number of tigers in India growing now?

　　Key:

　　1). There are many different kinds of living things.

　　2). An average of one kind of living thing died out each year.

　　3). This had risen to one per day .

　　4). Many of the forests where they lived were destroyed and tigers were hunted and killed.

　　5). Because the shooting of tigers was topped in 1970.

　　Step III Reading

　　Check the Ss the reading ability. Ask students main idea for each part.

　　Part 1: animals dying out

　　Part 2: Reasons for animals dying out

　　Part 3: Examples of animals dying out

　　Part 4: Progress made in protecting animals

　　Step IV Language points

　　1. Deal with some difficult points, T teaches the Ss the languages like the following: 1) die out 2) in danger 3) no more than 4) go on an organized trip to 5) purpose 6) go off 7) be busy measuring 8) to one’s joy

　　Step V Practice

　　1. Get Ss to do Ex 2 P115. Tell them to fill in the blanks without looking back at the text.

　　2. Ask one student to act as a librarian in national museum of nature history. And other students to ask some questions about some certain animal, such as Panda:

　　How many Pandas are in the World? Why they are few? What can we do to protect them? and so on.

　　Step VI Reading comprehension

　　A Day in the Forest

　　Ss come to the blackboard to write down all the past participle they can find from the passage and then are asked to pick out those that can be used as adjectives