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【B7】
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W: Yellowstone! I've always wanted to spend some time out in there.
M: Wait till you hear what the project is. She is working with the buffalo population. The herds have been increasing in size lately, which is good in theory.
W: Yeah but I thought they were in danger of becoming extinct.
M: Well, apparently, because of all the winter tourists, paths are created in the snow. More buffalo are surviving the harsh winters because the paths make it easier for the buffalo to move around and find food. But it turns out that some of the herds are infected with a disease.
W: Oh yeah, I heard about that.
M: It has been around for quite a while. And because the buffalo population is increasing, the disease has begun to spread to the cattle ranches that border the park.
W: That's bad news! Isn't that the disease that causes animals to abort their young？
M: Yes, and some of the ranchers even want to destroy the buffalo herds.
W: That's awful! Have they made much progress with the research？
M: So far, they've been collecting tissue samples from dead buffalo to study the disease.
W: I'd really be interested in working on this. You know I've been researching diseased animal populations.
M: That's why I thought of you I mentioned your name to my friend. She's hoping you'll be able to spend the whole summer out there.
W: Well, I was going to work on my thesis a lot in July, but I'm sure my adviser wouldn't want me to pass up this opportunity.
What did the professor want to talk to Ann about？
按照《矿山生态环境保护与污染防治技术政策》的有关规定，废弃地复垦的相关要求包括（)。A．矿山开按照《矿山生态环境保护与污染防治技术政策》的有关规定，废弃地复垦的相关要求包括()。
A．beforeB．althoughC．asD．since
According to Paragraph 2, sold media feature______.
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