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听力原文：M: If you haven't mentioned their dinner party, I would have gone home.
W: That would have been the third time you've disappointed them this month.
Q: What's he going to do？
(14)
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听力原文：W: Hi. Tom. How things get along with the preparation for the annual meeting documents？
M: It's coming along. But I've been staring at the computer screen for hours and my eyes hurt.
W: Yeah Typing the words on the screen really make your eyes dry and tired. You should take a break.
M: I can't. The deadline is approaching.
W: You know, I read about computers and eye problems recently. The article says that they are usually caused by not blinking your eyes enough.
M: Blinking？ I thought I just needed new glasses.
W: when you blink, the movement of closing and opening your eyes, even though it happens really fast relaxes your eyes.
M: That makes sense.
W: People using computer tends to stare at the screen and blink less often than they normally would.
M: That is what I am doing. And I am suffering from the dry eyes.
W: That is one of the typical symptoms. M: But what does it have to do with the computer？
W: The article I read about the office workers found that the workers averagely blink 22 times a minute when relaxed But just 7 times a minute while looking at the text on a computer screen.
M: Wow That's quite a difference.
W: Yeah. So you need to blink your eyes and take a break from the computer
M: I wonder if using some kind of eye-drops will make me feel better.
W: That might help.But the best prescription is to take a break and rest your eyes
M: Ok. Let's go get some coffee. I can finish this later tonight.
(23)
现有八家百货公司，每公司人均月销售额和利润率资料如下：
请根据上述资料进行计算和判断，从下列各题的备选答案中选出正确答案。
计算每人每月销售额与利润率的相关系数为0.975，则说明每人每月销售额与利润率之间存在着()。
Which concept best expresses the idea of "salad bowl"？
Describing America as a melting pot, the author wants to show its ______.
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