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英语口语教学:昆虫能感觉到疼

发布: 2019-08-04 17:06  来源:未知 编辑:admin 查看: 字体: [ ]

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New research shows that insects feel pain(新研究表明昆虫能感觉到疼). The researchers say it isn't the same kind of pain that humans feel(研究者说这种疼与人类感觉到的不是一样的). The pain that insects feel is a sensation that is like pain. The research was conducted at the University of Sydney in Australia. Professor Greg Neely, co-author of the research report, said: "People don't really think of insects as feeling any kind of pain, but it's already been shown in lots of different invertebrate(无脊椎动物) animals that they can sense and avoid dangerous [things] that we [think of] as painful." He added: "We knew that insects could sense 'pain' but what we didn't know is that an injury could lead to long-lasting hyper-sensitivity...in a similar way to human patients' experiences."

 

The researchers looked at how fruit flies reacted to injuries. The scientists damaged one leg on the flies and allowed the leg to heal. They found that after the leg fully healed, the flies became more sensitive and tried harder to protect their legs. Professor Neely said the pain the flies felt stayed in their memory and this changed their behaviour. He said: "After the [insect] is hurt once badly, they are hypersensitive and try to protect themselves for the rest of their lives." Neely says he hopes to carry out more research to better understand how humans feel pain. He said: "We are focused on making new stem cell therapies or drugs that target the underlying cause and stop pain for good."

 

课前热身

1. INSECT PAIN: Students walk around the class and talk to other students about insect pain. Change partners often and share your findings.
2. CHAT: In pairs / groups, talk about these topics or words from the article. What will the article say about them? What can you say about these words and your life? 
       research / insects / pain / sensation / animals / dangerous / injury / human / patients 
       fruit flies / scientists / heal / leg / behaviour / memory / protect / stem cell / therapies
Have a chat about the topics you liked. Change topics and partners frequently.
3. PAIN: Students A strongly believe pain is useful; Students B strongly believe it isn't.  Change partners again and talk about your conversations.
4. FEELINGS: What kind of feelings might insects have? How do they show this? Complete this table with your partner(s). Change partners often and share what you wrote.

 

How Insects Show This

Insects That Show This Most

Pain

 

 

Love

 

 

Fear

 

 

Anger

 

 

Friendliness

 

 

Aggression

 

 

课后练习

   Paragraph 1

      1. sensation a. Feel that something is happening.
      2. conducted b. A writer of a book, article, or report.
      3. author c. Organized and carried out.
      4. invertebrate d. An instance of the body being harmed or damaged.
      5. sense e. A physical feeling from something that happens to or comes into contact with the body.
      6. avoid f. An animal with no backbone.
      7. injury g. Keep away from or stop oneself from doing something.

    Paragraph 2

      8. reacted h. The part of the brain that stores and remembers information.
      9. heal i. Paid a lot of attention to.
      10. sensitive j. Keep safe from harm or injury.
      11. memory k. Make an injury healthy again.
      12. protect l. The treatment of mental problems by speaking to people.
      13. focused on m. Respond or behave in a particular way in response to something.
      14. therapy n. Easily damaged, injured, or worried by small changes.
 
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