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听力原文：M: Anthony, did you fix the leaky faucet？
W: No, I had the plumber do it.
Q: What happened to the faucet？
(15)
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听力原文：M: Hi, Helen, what do you think of our class in children's literature？
W: It's pretty good. I was surprised to see you there. Are you also majoring in elementary education？
M: No, I'm not, but as a psychology major, I can use this to fulfill the requirement in developmental psychology.
W: Have you finished the first assignment yet？
M: Not yet. I just bought the books today. How about you？
W: I started this afternoon. It's great fun reading those wonderful children's stories by Dr. Seuss.
M: Dr. Seuss？ I don't remember seeing his name on the reading list.
W: His full name is Theodor Seuss Geisel. That's how it's listed in the bibliography. Dr. Seuss is his pen name.
M: I loved reading those stories as a child. It'll be interesting to read them now from a different perspective. I guess it'll give me a good idea about how children think.
W: Those stories are also great for classroom use.
M: How is that？
W: Well, take a typical Dr. Seuss' book like The Cat in the Hat. It has a controlled vocabulary of only 200 words.
M: So that means the children get lots of practice in using a small number of words over and over.
W: Exactly. In fact, The Cat in the Hat was written primarily to show how a controlled vocabulary reader could also be interesting and fun.
M: Well, it sounds that all these courses are going to be interesting and fun. I think I'll get started on this reading list tonight.
(23)
听力原文：M: Kevin's been in such a bad mood lately.
W: Hasn't he？
Q: What does the woman mean？
(14)
The probable safe level for constant exposure to electromagnetic radiation is 1 milligauss
Emotions are generally triggered by environmental events. Anger, joy and sadness are most frequently a response to a set of external events. However, internal processes, such as imagery, can also initiate emotional reactions.
All emotions, as subjectively experienced and identified, appear to be associated with physiological changes. The emotions labeled as "joy", "fear" and "anger" occur in conjunction with very similar physiological patterns. Current thinking leans towards accepting the primacy (首位，至高无上) of physiological changes, which are then interpreted based on environmental occurrences. For example, a sudden falling sensation will initiate physiological changes. These changes would be interpreted on the basis of the situation in which they occur: exhilaration or excitement of bungee jumping; fear of falling from a ledge (岩脊).
Another characteristic feature of an emotional experience is cognitive thought. Emotions generally, although not necessarily, are accompanied by thinking. The types of thoughts and our ability to think "rationally" vary with the type and degree of emotion. Extreme emotional responses are frequently used as an explanation for inappropriate thoughts or actions: "I was so mad I couldn't think straight."
Emotions also have associated behaviors. While the behaviors vary between individuals and within individuals across different times and situations, there are unique behaviors characteristically associated with different emotions: fear triggers fleeing responses, anger triggers striking out, grief triggers crying, and so on.
Finally, and most importantly, emotions involve subjective feelings. In fact, it is the feeling component (组成部分) that is generally referred to when emotions are mentioned. Grief, joy, anger, jealousy and fear feel very different from one another. These subjectively determined feelings are the essence of emotion.
While all individuals generally evaluate emotions in a consistent manner and within individuals over time, there are some individual and situational variations. For example, few people generally want to be sad or afraid, yet we all occasionally enjoy a movie or a book that scares or saddens us—or even some of the frightening rides at theme parks!
If asked, we could doubtless name numerous emotions. A group of 20 or so people can generally name or describe several hundred emotions. Therefore, it is not surprising that researchers have attempted to categorize or type emotions into more manageable clusters. Plutchik lists eight basic emotional categories: fear; anger; joy; sadness; acceptance; disgust; expectancy; surprise.
According to Plutchik, all other emotions are secondary emotions and represent combinations of these basic categories. For example, delight is a combination of surprise and joy, and contempt is composed of disgust and anger.
What are the elements that produce human emotions？
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