重大版选修6unit1coquiinhawaii

1、One mans meat is another mans poison. Something that one person likes may be distasteful to someone else. Examples Jill: I dont understand why Don doesnt like to read science fiction. Its the most interesting thing to read. Jane: One mans meat is another mans poison. I wouldnt want to do her job, bu

2、t she seems to love it. Oh well, one mans meat is another mans poison. Do you think frogs are useful or harmful animals? In what way? discuss with your partner. Try to give some examples to support your ideas. discussion You may begin like this: 1.In my opinion, frogs are useful animals, because 2.A

3、s far as Im concerned, frogs are harmful animals 3.We cant simply say frogs are useful or harmful 4.Generally speaking, 5.Pest 害虫害虫 beneficial insects 益虫益虫 crops 庄稼庄稼 We cannot simply say frogs are useful or harmful because every coin has two sides. The advantages of frogs are that they can eat harm

4、ful insects and be protective of the crops, and some parts of them are medicine materials; on the other hand, some of them are poisonous to human beings and sometimes they are kind of noisy. Suggested answer: A tiny frog with a sharp noise has invaded the Big Island and wont shut up. Associated Pres

5、s The coqui frog population has been increasing in Hawaii since 1988, but just recently exploded. Department of Agriculture, Hawaii What does the Big Island refer to? prediction The Coqui in Hawaii is useful or harmful? how do you know? A sharp noise Shut up exploded Hawaii Caribbean n. 加勒比海 Scan th

6、e passage and find the answers to the following questions. 1) When did the coqui invader arrive in Hawaii? 2) What does the coqui look like? About ten years ago. The coqui is a brown frog about five centimeters long. scanning decide whether the following sentences are true (T) or false (F). _ 1) The

7、 coqui is a kind of very big flog. 2) The coqui is from Hawaii. _ 3) The coqui is dangerous to the environment. _ 4) The number of the coqui keeps increasing. _ 5) The coqui can now only be caught by hand. _ 1) The coqui is a kind of very big flog. Read the following sentences and decide if they are

8、 true (T) or false (F) F Only five centimeters long. _ 2) The coqui is from Hawaii. _ 3) The coqui is dangerous to the environment. F They are normally found in the Caribbean island of Puerto Rico and in the south-eastern United States. T The frogs eat thousands of insects every night. These insects

9、 are important for the reproduction of plants. _ 4) The number of the coqui keeps increasing. _ 5) The coqui can now only be caught by hand. T The coqui frog population has been increasing in Hawaii since 1988, but just recently exploded. - Department of Agriculture, Hawaii T For now, the frogs may

10、only be caught by hand. Read the article carefully to complete the following chart. Team 2Team 1 Team work The Coqui Frogs Features The coqui is a and frog about long. It hides in areas during the day and moves at night. The call of a male coqui sounds like . Where, when and how The coqui frogs are

11、originally from _ and _. They arrived in _ about ago. They were brought in accidentally in _ of plants. tinybrown 5 centimeters wet protected onto trees to feed, or to call to females Ko-Kee! Puerto Rico Florida Hawaii10 years shipments Lets check the work of Team 1 The Coqui Frogs Current situation

12、 Their numbers have sharply _ and they have quickly _ around the Hawaiian Islands. Threat to environ- ment They eat every night. They are affecting in Hawaii. The loud calls of the frogs make it difficult at night. They have no natural enemies to reduce . Efforts to stop their spread In Hawaii, it i

13、s a crime to , _ or . The Department of Agriculture is trying to find an . For now, the frogs may only be caught . increased spread thousands of insects the tourism industry to sleep their population size transportsell set the frogs free effective chemical by hand Lets check the work of Team 2 Group

14、 competition Challenge yourself get scores for your team 2minutes! Why are the coqui frogs condemned as harmful animals? Because they are a major threat to environment and they are affecting tourism industry in Hawaii. What suggestions can you offer to help control the spread of the coqui? Find the

15、natural enemies of frogs or create the effective chemical killing the frogs. The statement that can best summarize the main idea of the passage is _. A. the coqui invaders have seriously affected the tourism industry in Hawaii B. it is not permitted to transport, sell or release the coqui frogs in H

16、awaii C. the coqui invasion has serious effects on the economy and environment in Hawaii C effects What would be another title for the passage besides the one on the text? A. Coquis- Good or Harmful Animals? B. Coquis- A Big Threat to Hawaii C. Coquis Make Sleep Difficult D. Coquis- the Number Sharp

17、ly Increased B In Puerto Rico, what is the local peoples attitude towards the coqui frogs? What about the people in Hawaii? How about the author? In Puerto Rico: In Hawaii: the author: Celebrate coqui frogs. A harmful animal. Just state the passage. Para. 5, 1st sentence Para 5, 2nd sentence Accordi

18、ng to the author, why is it hard to reduce the population size of the coqui? List the possible reasons. The frogs dont have natural enemies in Hawaii; the weather is very suitable for their reproduction; the frogs can only be killed by hand. The coqui frogs originally arrived in Hawaii _. A. by chan

19、ce B. at the request of all the local citizens C. as a gift D. as goods demanded in the local market A They were believed to have been brought in accidentally in shipments of plants. by chance= Visitors to Hawaii dont like the coqui frogs mainly because _. A. they are a big danger to the environment

20、al system there B. the loud noise made by the frogs bother their rest at night C. they affect the reproduction of the local plants and insects D. visitors could no longer see the native rare birds because of them B The two factors leading to the rapid spread of coqui frogs in Hawaii are _. A. the fr

21、ogs habit and the environment in Hawaii B. the large number of the insects and the plants in Hawaii C. the geographic location of Hawaii and its tourism industry D. the warm weather there and the frogs lack of natural enemies D D. the warm weather there and the frogs lack of natural enemies Coqui fr

22、ogs get their name from _. A. the sound of their loud calls B. their shape and colour C. their coming from other parts of the USA D. people who dislike them A Ko-Kee! Ko-Kee Which of the following is NOT a reason why people in Hawaii dislike coquis? A. They are harming Hawaiis environment. B. They h

23、ave a bad effect on tourism. C. They eat insects which are important for plants. D. They hide in wet places and make loud sounds during the day. A Homework Task 1 Finish Task4. 5&6 in Comprehending. Task 2 Preview Word Power and do the exercises. Do you think frogs are useful or harmful animals? In

24、what way? discuss with your partner. Try to give some examples to support your ideas. discussion Hawaii Caribbean n. 加勒比海 _ 1) The coqui is a kind of very big flog. Read the following sentences and decide if they are true (T) or false (F) F Only five centimeters long. The Coqui Frogs Current situati

25、on Their numbers have sharply _ and they have quickly _ around the Hawaiian Islands. Threat to environ- ment They eat every night. They are affecting in Hawaii. The loud calls of the frogs make it difficult at night. They have no natural enemies to reduce . Efforts to stop their spread In Hawaii, it is a crime to , _ or . The Department of Agriculture is trying to find an . For now, the frogs may only be caught . increased spread thousands of