2. 外语
  3. For this task, you will write an essay in response to a question that asks you to state, explain, and support your opinion on an

For this task, you will write an essay in response to a question that asks you to state, explain, and support your opinion on an

admin2013-04-25  12
问题     For this task, you will write an essay in response to a question that asks you to state, explain, and support your opinion on an issue.
    Typically, an effective essay will contain a minimum of 300 words. Your essay will be judged on the quality of your writing. This includes the development of your ideas, the organization of your essay, and the quality and accuracy of the language you use to express your ideas.
    You have 30 minutes to plan and complete your essay.
选项
答案[Professor] Sleep, dream. Yeah, everybody will sleep. Now I want to tell you about "We sleep in order to dream, and dream in order to learn". The first evidence that the brain is at work while we dream came in the 1960s: Brainwaves recorded during REM sleep were found to be exactly like those of a wakeful brain. This suggests that dreaming is not, as Freud said, a playtime for subconscious desires. Rather, it is a tool that enables us to learn from our experiences and solidify memories. The Australian spiny anteater lives its life without taking so much as a nap. So if dreaming is integral to learning, how can this animal survive? Scientists have found that this anteater learns, or stores memories, because its brain is big enough to handle the task of solidifying memories while it is awake. If humans did not sleep, we would need impossibly large brains. Since we don’t have brains the size of bathtubs, we have had to become more efficient with what little we have. REM, some speculate, is our brains’ way of taking advantage of the downtime of sleep to store memories. Other animals have developed this efficient kind of brain, too. Research done on rats at MIT has shown that the rodents relive the same mazes they have run through in the daytime while they sleep. Electrodes monitoring brain activity in waking and sleeping states seem to indicate that the animals are learning how to interact better with their environment as they dream. Because a rat cannot tell you about its dreams, studies like this one At MIT’s have their detractors. Q: summarize the points made in the lecture you just heard, explaining how they east doubt on points made in the reading?
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