2018-2019学年北师大版高二选修七教案:Unit 21 period 1
2018-2019学年北师大版高二选修七教案:Unit 21 period 1第3页

clean our blood.

S4: It's the stomach. We digest something that we have in it.

T: Right. It's the stomach, the bag-like organ in our body into which food passes when it is swallowed and in which the first part of digestion occurs. We know it's unwise for us to swim on a full stomach or eat too much.

Make a list of these words on the chalkboard: brain, lungs, liver, stomach, eye, heart, bone, knee, skin, spine, wrist, fingers, muscle, ankle, kidneys

T: All these parts are very important to us human; we should protect them and look after them well. Next, here are some questions for you: How can we live a healthy life? How often do you clean your teeth? How often do you do physical exercise? How often do you eat sweets or chocolate? How many pieces of fresh fruit do you eat per day? Please look at Exercise 4. on page 33. We are going to do this part.

Ask some students to answer these questions and check the answers with the whole class.

T: In order to be healthy, we should form good habits, such as brushing our teeth, eating more fruits and fewer sweets and doing physical exercise. Only in this way can we lead a healthy and happy life.

T: Next, we are going to listen to the tape and guess which parts of the body are being described. Which words help you decide? Find these key words.

Check these answers with the whole class.

Step Ⅱ Pre-reading

Task 1 Preparation

T: I asked you to research on the Internet and get the information about some famous athletes in the world. So what champion athletes can you name? What were their achievements?

The teacher can play some videos for students to watch and encourage them to talk about some information about the athletes they have prepared separately so that students can participate fully in it.

S1: I would like to say something about Liu Xiang. Liu Xiang, a 22-year-old Shanghai born star, is the first ever male Chinese athlete to win a gold medal in Olympic