Many airlines will offer substantial discounts in an effort to remain ______ during the tourist season.
A．sophisticated
B．competitive
C．considerate
D．superficial
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听力原文：W: Dad, are you going to miss me when I leave for college next week?
M: Of course, I will. I'm proud of you for that. (22) Did you pay your tuition and housing fees by the deadline? Because, you know, if you don't, you'll lose your class schedule, and you have to register all over again.
W: Yeah, I paid for that a few days ago.
M: Okay, did you sign up for the meal plan at the university so you don't have to eat instant noodles everyday?
W: Yeah. But (23)Mom said I could take some food from home to get me started.
M: That's brilliant. And you must have selected your future classes, right? You know, business administration will be a great major for you.
W: Well, Dad, I changed my major.
M: What? You switched majors?
W: Yeah. (24)After talking it over with Mom, I've decided to major in wildlife science.
M: What? I mean, why?
W: Dad, I've always been interested in working with nature, and you know that; this field will give me the opportunity to live out my dream. And I actually qualify for a two-year, full tuition scholarship.
M: Well, I didn't expect that. Since you're interested in it, just do it.
W: Thank you, Dad. There's another thing where I need your support. I was planning to buy a laptop to help with my study, but I didn't have enough money.
M: How much will it cost?
W: My ideal type is $800. (25)I have saved $450 through part-time jobs, and I'm still working on it.
M: Well, (25) I think I can make it up for you. And that will be a gift for your enrollment.
W: Thank you, Dad. I love you.
(23)
A．She will have to pay a significant late fee.
B．She will be required to register again for school.
C．She will need to wait another semester to take classes.
D．She will go back to high school to study for one more year.
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The "lowest common denominator" refers to ______.
A．the poorer classes
B．themes and attitudes that would be accepted by the greatest number of people
C．attitudes accepted by the American intellectuals
D．the character of the authors of the dime novel
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听力原文：W: I'm going to leave work early today. There's a debate this evening at 6 o'clock. So I'm going to get an early dinner and head over there.
M: Who's debating about what?
W: The two candidates for the state senate are going to answer questions from reporters. The Daily News is sponsoring the event. Members of the audience will also have a chance to ask questions-so maybe I'll speak, too.
M: Oh, so you're interested in politics. Are you helping one of them?
W: No, I just want to learn more about the candidates so I can make an informed decision.
M: Well, I don't think I'll be voting, so I guess I won't bother with that.
W: Why aren't you going to vote?
M; Oh, my one vote doesn't matter.
W; Sure it does!
M: Well... besides that... I don't think that any of the politicians these days represent my ideas. I'd like to see the government support guaranteed loans for people who want to start small businesses. I've wanted to open my own bakery for years and I can't gel a loan.
W: You know what? That's one of the issues they'll probably discuss tonight. One of the candidates wants tax breaks for large companies. He says that will create more jobs. The other candidate owns a restaurant. She wants to start programs, to promote more small businesses.
M: Hmm... What do you know? Maybe I should show up there myself.
(23)
A．To support one of the candidates.
B．To remind people to vote.
C．To write a newspaper article.
D．To hear more about the speakers' ideas.
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The company formulated a package of______ for assessment of employees' performance.
A．criteria
B．partitions
C．principles
D．thresholds
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听力原文： Why, you may wonder, should spiders be our friends? (26)Because they destroy so many insects, and insects include some of the greatest enemies of the human race. Insects would make it impossible for us to live in the world; they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals. (27)We owe a lot to the birds and beasts which eat insects but all of them put together kill only a fraction of the number destroyed by spiders. Moreover, unlike some of the other insect eaters, (26)spiders never do the harm to us or our belongings.
Spiders are not insects, as many people think, nor even nearly related to them. One can tell the difference almost at a glance, (28)for a spider always has eight legs and insect never more than six.
How many spiders are engaged in this work in our behalf? One authority on spiders made a census of the spiders in grass field in the south of England, and he estimated that there were more than 2 250 000 in one acre; that is something like 6 000 000 spiders of different kinds on a football pitcll. (29)Spiders are busy for at least half the year in killing insects. It is impossible to make more than the wildest guess at how many they kill, but they are hungry creatures, not content with only three meals a day. It has been estimated that the weight of all the insects destroyed by spiders in Britain in one year would be greater than the total weight of all the human beings in the country.
(33)
A．Because they are beneficial insects.
B．Because they destroy insects without hurting us in any way.
C．Because they protect insect-eating animals.
D．Because they include some of the greatest enemies of the human race.