听力原文:M: The native American craft exhibit closed this afternoon.
W: Oh, no. I've wanted to see that for months.
Q: What does the woman imply?
(14)
A. She wanted to show people her crafts.
B. She has seen the exhibition.
C. She'd rather go hack home.
D. She's sorry to have missed the exhibit.
查看答案
Which of the following statements about Juliette is tree?
A. Juliette had to work because her husband didn't make enough money.
B. Juliette was willing to help others and enjoyed being busy for it.
C. Juliette wanted to be a Girl Guide herself, but she was tm old.
D. Juliette's husband didn't approve of her involvement in this association.
M: Well, you didn't expect it to be warm, did you?
W: Of course not, but I just heard the National Weather Service's prediction for the next 90 days. They said it's sup- posed to be much colder weather than usual.
M: Yeah, maybe. Personally, I think those long-range forecasts are useless.
W: Not as useless as you think.
M: Oh, come on, when you're talking about what's going to happen three months later, you might as well just pick a forecast out of our hat. W: Well, you are half-right. They aren't very good for the amount of rain. But they are a lot better for temperatures especially for this time of the year.
M: Really, so I should take them seriously about the cold but not count too much on a lot of extra snow?
W: Un-huh.
M: But what did you say about this time of the year? Do some seasons really give them more problems in making forecasts?
W: Autumn is the worst, apparently weather patterns change so much then, just think how variable our weather has been the last three months.
M: Come to think of it. That's true. It probably would have been hard to predict all those changes back in the summer. You know, you're beginning to convince me there is more to forecast than I thought. How come you know so much about it?
W: I get my information from an expert. My sister's a meteorologist.
On what aspect of weather forecasting is the conversation about?
(20)
A. How much its accuracy has improved recently.
B. How reliable long-range forecasts are.
C. How difficult it takes to make a good forecast.
D. How the current forecast causes troubles.
What's the main idea of the passage?
A. Bird wings are more complex than airplane wings.
B. People design airplane by looking at the wing shapes of birds.
C. How can we make the airplane wings more efficient.
D. The wings of birds and airplanes conform. to the same aerodynamic principles.
听力原文:Why is it difficult to make long-term predictions for autumn?
(22)
A. Forecasting machines stop functioning in hot weather.
B. The weather patterns are more changeable in the autumn.
C. Professional predictors are on vacation in autumn.
D. The forecasting center may mess up the data in autumn.