例1
Somnambulism
Somnambulism, or sleepwalking, is a sleep disorder that can occur in both children and adults. Its causes are not known but are thought to be related to fatigue, severe exhaustion, anxiety, or reaction to drugs. While someone is sleepwalking, he or she may take part in simple actions such as sitting up or getting up and walking around before returning to bed; more complex activities such as getting dressed, washing dishes, moving furniture, and even operating machines such as cars have been noted among some sleepwalkers. Some episodes of sleepwalking are very brief, lasing only seconds or minutes; longer episodes can last an hour or more. . (106 words)
 
TOPIC: characteristics of somnambulism or sleepwalking
Main points:
Perhaps caused by fatigue, exhaustion, anxiety, drugs
May result in simple actions(sitting up, getting up, walking around)
May result in complex actions (dressing, washing dishes, moving furniture, operating machines)
May be brief or last more than an hour
 
TOPIC OF LISTENING PASSAGE：Misconceptions about somnambulism (sleepwalking)
Main points:
That is dangerous to awaken a sleepwalker
That a sleepwalker can’t get hurt
Question:
How does the information in the listening passage add to what is explained in the reading passage?
 
Sample answer
       In this set of materials, the reading passage discuses something about Somnambulism or sleepwalking, and in the listening passage, the professor describes two common misunderstanding about Somnambulism.
The reading passage explains some causes of. Somnambulism and symptoms as well. In terms of its causes, there may result from fatigue, exhaustion, anxiety, drugs. It may result in simple actions such as sitting up, getting up or walking around. On the other hand, it may result in complex actions like dressing, washing dishes, moving furniture or operating machines. 
       In the talk, the professor discusses two common misconception about somnambulism. . the first misconception is some people think it is dangerous to awaken a sleepwalker. But in fact, it is not dangerous to awaken a sleepwalker. Another on e is someone thinks that a sleepwalker can’t get hurt. As a matter of fact, sleepwalkers can get hurt very easily, like running into something or tripping and falling.