Lesson 46

　　I Teaching Aims and Demands:

　　1.content understanding

　　2.Vocabulary: hibernate ----hibernation; squirrel; loose;mud; warm-blooded; keep up; tail;  lung; frog  

　　3.Moral teaching: the importance of learning more about the nature around us,including all kinds animals and plants , with the terrible flood  in Changjiang and Heilongjiang in China as a lesson .

　　II Teaching Aids: tape recorder; slide show; computer;  multimedia education software

　　III Teaching Main-points:

　　1．Listening and reading comprehension

　　2．Vocabulary explanation in real-situation sentences

　　3．The importance of keeping the balance of nature .

　　V Teaching Procedures : 

　　Step 1 : Warming-up

　　Take out some pictures and get the Ss to talk about the pictures and then ask the following:

　　Why animals need to hibernate ? what way and what are the characteristics of animals’ hibernation?

　　Step 2 : Watching and Listening

　　Answer the following questions:

　　Which type of animals hibernate in winter?

　　Which type of animals don’t hibernate in winter?

　　Which animals did half-hibernation in winter?

　　Step 3 : Reading

　　Read Lesson 46 carefully and choose the correct statements .

　　1．

　　A. All the birds will fly away to the south when the weather turns cold.

　　B. All the animals and birds will hibernate when the weather turns cold.

　　C. Some birds will fly away to the south when the weather turns cold; some animals hibernate in the cold weather.

　　2．

　　A. Animals hibernate only in the earth.

　　B. Animals like to hibernate under the mud or under the snow.

　　C. Hibernating animals sleep in all kinds of places.

　　3．

　　A. None of the warm-blooded animals need to hibernate, because they lead an active life which keeps up their normal body temperature.

　　B. Some of the cold-blooded animals need to hibernate, because their blood temperature drops when the air temperature is below freezing and they cannot move about in the usual way.

　　C. All cold-blooded animals need to hibernate, as they are afraid of cold.

　　4．

　　A. A hibernating animal may breathe only once every five minutes and cannot feel any pain.

　　B. A hibernating animal does not breathe and cannot feel any pain.

　　C .A hibernating animal can wake up when you give a hard pull at its tail.

　　5．

　　A. Hibernating animals can live all through the winter without eating, because they have stored food in their stomachs during the summer and autumn.

　　B. Hibernating animals can live all through the winter without eating, because they do not make any movement and do not use any energy.

　　C. Hibernating animals can live all through the winter without eating, because they have stored supplies of fat in their bodies during the summer and autumn.

　　Step 4 : Language study

　　Vocabulary explanation in real-situation sentences or in passages

　　hibernate : to sleep either for a long time of a short time in winter

　　hibernation n.

　　In order to hibernate, a lot of animals will have to eat a lot in autumn to store enough energy , with bears as an example .

　　Some warm-blooded animals don’t hibernation at all, while on the other hand , some cold-blooded animals need it definitely .

　　mud n. ------muddy  adj,

　　When you are driving along the road , be careful for it just rained last night , or you will be trapped in mud .

　　It is very hard to travel through the muddy and icy roads in this area.

　　The Infinitives

　　To master English helps us a great deal in the study of science.

　　It is silly to misunderstand people sometimes .

　　My favorite sport is to play table tennis.

　　I would take this opportunity to express my hope to work with you.

　　I haven’t got anything important to do at the moment .

　　We wish to do some business with you.

　　My dream is to travel to the moon in a spaceship one day.

　　We found it impossible to answer all the questions within such a short time.

　　I have come here to say goodbye to you.

　　To catch up with the others , you’d better work harder .

　　Step 5 Discussion

　　Page 69, Part2. Go through the exercise and Let them read the whole passage again and answer the questions, working in pairs or small groups. Check the answers with the whole class.

　　Step 6 Note making

　　Page 69, Part4. Go through the part with class and make sure the Ss know what to do. Ask them orally .

　　Step 7 Homework

　　Finish off Workbook exercises

　　Retell this passage in your own words

　　教案点评：

　　本课教学特点以阅读，练习为教学手段，能过听力及问题回答，增加学生对本课的了解与学习，在高三的教学中教师为加强学生的阅读能力，提高学生阅读水平，所以在教学过程中重点体现此教学手段。通过讨论问题，加强了对本课的巩固及阅读水平的提高。