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慢性阻塞性肺疾病是一组慢性气道阻塞性疾病的统称，主要指具有不可逆性气道阻塞的______和______两种疾病。
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W: Could you tell me the time of the last plane to New York this eveningM: There’s one at 9:20, but it’s fully booked, I think.W: Then the time of the first plane tomorrow morningM: The first plane leaves at 7:30.W: Can you tell me when it arrives so that I can ask my secretary to come and meet meM: It arrives at 10:30,but maybe a little late because of the bad weather.W: Well, I wonder if you’d let me know if there’s any change on that flight, I’d appreciate it.M: Yes, of course. What’s your room numberW: 609. Thank you. Why doesn’t the woman take the last plane in the evening（）
大叶性肺炎第三期时肺组织的镜下改变是______。
M: I’m thinking about transfering out of state college into another school in the fall.W: After a year and a half How come I thought you liked it here.M: I do. But here our flight program doesn’t give degrees, only licenses, and I need both a license and a degree.W: So where do you want to goM: I wouldn’t mind going to Makmillen university. It has an excellent reputation for its school of aviation, but I have a feeling it’s very selective.W: But you’ve gotten good grades in the three semesters you’ve been in the state college, haven’t youM: Yah, mostly A’s and B’s.W: So what are you worried about then, just ask your professors to write letters of recommendation for you, and you’ll be set. What is the man planning to do（）
Directions: Read the following text. Choose the best word(s) for each numbered blank. Women often (1) that dating is like a cattle (2) , and a paper just published in Biology Letters by Thomas Pollet and Daniel Nettle of Newcastle University, in England, suggests they are (3) . They have little cause for complaint, however, because the paper also suggests that in this particular market, it is (4) who are the buyers. Mr. Pollet and Dr. Nettle were looking for (5) to support the contention that women choose men of (6) status and resources, as well as good looks. That may sound common sense, but it was often (7) by social scientists until a group of researchers who called themselves evolutionary psychologists started investigating the matter two decades ago. Since then, a series of experiments in laboratories have supported the contention. But as all zoologists know, (8) can only tell you so much. Eventually, you have to look at (9) populations. And that is what Mr. Pollet and Dr. Nettle have done. They have examined data from the 19t0 census of the United States of America and discovered that marriage is, indeed, a market. Moreover, as in any market, a (10) of buyers means the sellers have to have particularly attractive goods on (11) if they are to make the exchange. The advantage of picking 1910 was that America had not yet settled down, demographically speaking. Though the long-colonized eastern states had a sex (12) of one man to one woman, or thereabouts, in the rest of the country the old adage "go west, young man" had resulted in a (13) of males. Mr. Pollet and Dr Nettle were thus able to see just how picky women are, (14) the chance. (15) looking at the whole census, the two researchers relied on a sample of one person in 250. They then (16) the men in the sample a socioeconomic status score between zero and 96, on a scale drawn up in 1950 (which was as close to 1910 as they could get). They showed that in states where the sexes were equal in number, 56% of low status men were married by the age of 30, (17) 60% of high status men were. Even in this case, then, there are women who would prefer to remain (18) rather than marry a deadbeat. When there were 110 men for every 100 women (as, for example, in Arizona), the women got really (19) . In that case only 24% of low-status men were married by 30 compared with 46% of high-status men. As the men went west, then, so did their (20) opportunities.
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