外研版高中英语必修4module6unexplainedmysteriesofthenaturalworldword学案6

外研版高中英语必修4module6unexplainedmysteriesofthenaturalworldword学案6内容摘要：

of people saw a kind of ― monster‖. (2) In Lake Tianchi in the Changbai Mountains in Jilin Province (3) It lived in the water, was black or greenishblack, and some people said it had a roundhead and body with 10cm horns on the head, while others said it had a horse’s head. (4) The weather or large food supply to the monster. 2. Group work Ask Ss to write a passage using the words and sentences in Activity1. Step 6. Homework 1. Ask Ss to finish Reading exercises in the Workbook on pages 99~101. 2. Ask Ss to prepare for the Listening class. Period 3 Vocabulary and Listening, Pronunciation, Everyday English Teaching Goals: 1. To enable Ss to know some skills of listening. 2. To study some daily expressions. 3. To learn the intonation in exclamations. Teaching procedures: Step 1. Revision Check the answers to the Reading exercises in the Workbook. Step 2. Vocabulary study Purpose: To get Ss to learn some new words. 1. Group work Ask Ss to match the words with their definitions. (1) dinosaur (a) A bowlshaped depression at the mouth of a volcano or geyser (2) carnivore (b) a large extinct reptile living on earth ever. (3) meteorite (c) a stony or metallic mass that has fallen to the earth39。 s surface from outer space (4) mammal (d) the act or process of radiating (5) radiation (e) A flesheating animal (6) galaxy (f) a warmblooded milkproducing animal like human being (7) crater (g) A sudden, often violent outburst (8) eruption (h) numerous stars, gas, and dust containing large amount of solar masses Suggested Answers: (1) b (2) e (3) c (4) f (5) d (6) h (7) a (8) g 2. Individual work Let Ss do Activity 1 on page 55 and check the answers. Suggested Answers: (1) climate (2) extinct (3) disappear (4) survive (5) adapt (6) evolve Step 3. Listening Purpose: ● To get the main information in the listening part。 ● To develop Ss’ listening ability. 1. Prelistening Let Ss do Activity 2 on page 56 to know something about dinosaurs. 2. Whilelistening (1) Ask Ss to listen to the tape and check the answers to Activity 2 on page 56 Suggested Answers: ① c ② c ③ c ④ a (2) Ask Ss to listen again and fill the missing words in the listening passage Good afternoon, and wele to this week’s ① of Mysteries of Nature. Today’s topic is a ② one it’s ③ , those strange creatures which ④ the earth for no less than two hundred million years, some of them were ⑤ eaters, others were like the infamous Tyrannosaurus Rex, carnivores who lived off meat and who ⑥ the more peaceful plant ⑦ dinosaurs. Not all dinosaurs were big some were the ⑧ of chickens, and in fact the ⑨ things to dinosaurs living today are actually birds. But the ⑩ we are going to talk about today is why the dinosaurs suddenly __(11)__ exactly 66 million year ago, and to __(12)__ light on the subject we’ve invited one of the world’s foremost __(13)__ on the subject, from the Pitt Rivers Museum in Oxford, Dr Roger Binfield. Suggested Answers: ① edition ② big ③ dinosaurs ④ ruled ⑤ plant ⑥ attacked ⑦ eating ⑧ size ⑨ closest ⑩ mystery (11) disappeared (12) throw (13) experts (3) Listen to the second part and do Activity 4 and 5 on page 56. Suggested Answers to Activity 4: ① A meteorite hit the earth. ② They stopped evolving. ③ They killed each other ④ A volcanic eruption ⑤ Cancer caused by radiation Suggested Answers to Activity 5: (4) Listen to the second part again and do Activity 6 on page 56. Suggested Answers: ① F ② T ③ F ④ F ⑤ T ⑥ F ⑦ F ⑧ T 3. Postlistening Ask Ss to work in pairs and discuss which theory they think is most likely and why. Step 4. Pronunciation — Consonants disappearing Purpose: To enable Ss to know the words which consonants disappear. 1. Pair work Show the sentences in the Pronunciation Activity 1 on the screen and ask Ss to read them out. (1) I’ll e straight to the point. (2) The most widely accepted theory. (3) I think it’s the most likely explanation. 2. Individual work Ask Ss to listen to the tape. Let them pay attention to the elides. Give them the right pronunciation. Suggested Answers: (1) straight to = / / (2) most widely=/ / (3) most likely=/ / 3. Pair work Ask Ss to listen to the sentences in Activity 2 and repeat the elides. Then ask them to practise more. Suggested Answers: (1) went to= / / (2) most fantastic= / / (3) didn’t take= / / Step 5. Everyday English Ask Ss to choose the correct answers to Everyday English exercises and try to grasp the meaning of these expressions on page 58. Suggested Answers: (1) a (2) b (3) a (4) a (5) b (6) a (7) b Step 6. Homework 1. Ask Ss to finish Vocabulary exercises in the Workbook on pages 98~99. 2. Ask Ss to preview Grammar and Function. Period 4 Function, Grammar Teaching Goals: 1. To enable Ss to know about the way to express possibility and improbability. 2. To enable Ss to master the usage of ―may‖, ―might‖, and ―likely‖. 3. To help Ss learn how to use modal verbs ―may‖ and ―might‖ to express conjecture. Teaching procedures: Step 1. Revision Check the answers to the Vocabulary exercises in the Workbook. Step 2. Function Purpose: To let Ss know how to talk about possibility and improbability. 1. Pair work Ask Ss to do Activity 1 on page 54 and then call back the answers. Suggested Answers: (1) a, b (2) c (3) unlikely 2. Group work Ask Ss to identify the creatures in the pictures in Activity 4 on page 55, by using ―may‖ or ―might‖. Arouse their interest in talking about possibility. 3. Individual work Ask Ss to do Activity 2 on page 54 individually. Then check their answers. Suggested Answers: (1) There might still be din。