TPO16听力文本.doc
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1、 Listening Script for TPO Test 16 Listening Section 1 Conversation I Narrator: Listen to a conversation between a student and a facilities manager at the university. Student: Hi. Im Melanie, the one whos been calling.Manager: From the singing group, right? Student: From the choir. Manager: Right, th
2、e choir. Its nice to finally meet you in person. So, you are having problems with. Student: Noise. Like I explained on the phone weve always had our rehearsals in the Lincoln Auditorium every day at 3 oclock and its always worked just great. But the past few weeks with the noise, its been a total ni
3、ghtmare since constructions started next door on the science hall. Manager: Oh, thats right. Theyre building that addition for new laboratories. Student: Exactly. Anyway, ever since they started working on it, its been so noisy we can barely hear ourselves sing. Manager: Let alone sing. Student: For
4、get about singing. I mean, we keep the windows down and everything, but once those bulldozers get going, I mean those machines are loud. Weve already had to cut short two rehearsals and weve got a concert in 6 weeks. Manager: Well, thats not good. Im assuming youve tried to reschedule your rehearsal
5、s. They dont do construction work at night. Student: Iran that by the group, but there were just too many. I mean evenings are really hard. It seems like everyone in the choir already has plans and some even have classes at night.Manager: And what about the music building? Student: You know, origina
6、lly we were booked in one of the rehearsal rooms in the music building, but then we switched with the jazz ensemble. Theyre a much smaller group and they said the acoustics, the sound in that room, was better for them. So having us moved to a bigger space like the Lincoln Auditorium seemed like a re
7、asonable idea. Manager: But now. Student: All that noise. I dont know. I just wonder if the jazz ensemble knew what was going to happen.Manager: Well, that wouldnt be very nice. Student: No. But it really was quite a coincidence. Anyway, now the music buildings fully booked, mornings, afternoons, ev
8、erything, we just need a quiet space. And it has to have a piano.Manager: A piano. Of course some of the other auditoriums have pianos, but thats not going to be easy. Student: You think theyre pretty booked up? Manager: Probably. But it cant hurt to check. What about Bradford Hall? I remember a pia
9、no in the old student center there. Student: At this point, wed be grateful for any quiet place. Manager: Can you. How flexible can you be on times? You said no evenings, but what ill cant find something open at 3 oclock? Can you move earlier or later? Student: I wish I could say another time would
10、be okay, but you know how it is, everybodys already got commitments for the whole semester 2:30 or 3:30 would probably be okay, but I dont think we could go much outside that Manager: Well, check with me tomorrow morning. I shouldve found something by then. It might not be ideal. Student: As long as
11、 its got a piano and nobodys putting up a building next door, well be happy. Listening Script for TPO Test 16 Listening Section 1 Lecture I Narrator: Listen to a part of lecturer in a geology class. Professor: Now there are some pretty interesting caves in parts of the western United States, especia
12、lly in national parks. There is one part that has over a hundred caves, including some of the largest ones in the world. One of the more interesting ones is called Lechuguilla Cave. Lechuguilla has been explored a lot in recent decades. Its a pretty exciting place I think. It was mentioned only brie
13、fly in your books. So can anyone remember what it said? Ellen? Male student: Its the deepest limestone cave in the U.S.? Professor: Thats right. Its one of the longest and deepest limestone caves not just in the country but in the world. Now, what else? Male student: Well, it was formed because of s
14、ulfuric acid, ght? Professor: Thats it. Yeah, what happens is you have deep underground oil deposits and there are bacteria. Here let me draw a diagram. Surfacerock rock and wateroil and bacteria Part of the limestone rock layer is permeated by water from below. Those curly lines are supposed to be
15、cracks in the rock. Below the water table and rock is oil. Bacteria feed on this oil and release hydrogen sulfide gas. This gas is hydrogen sulfide, rises up and mixes with oxygen in the underground water that sits in the cracks and fissures in the limestone. And when hydrogen sulfide reacts with th
16、e oxygen in the water, the result of that is sulfuric acid, Ok? Sulfuric acid eats away at limestone very aggressively. So you get bigger cracks and then passageway is being formed along the openings in the rock and its all underground. Ah yes, Paul? Male student: So that water. fts not flowing, rig
17、ht? Its still? Professor: Yes, so there are two kinds of limestone caves. In about 90 percent of them, you have water from the surface, streams, waterfall or whatever - moving water that flows through cracks found in limestone. Its the moving water itself that wears away at the rock and makes passag
18、eways. Also, in surface water, there is a weak acid, carbonic acid, not sulfuric acid but carbonic acid that helps dissolve the rock. With a little help from this carbonic acid, moving water forms most of the worlds limestone caves. When I was researching this for a study a few years ago, I visited
19、a couple of these typical limestone caves, and they were all very wet, you know, from streams and rivers. This flowing water carved out the caves and the structures inside them. Male student: But not Lechuguilla? Professor: Dry as a bone. Well, that might be a bit of an exaggeration. But its safe to
20、 say that its sulfuric acid and not moving water that formed Lechuguilla cave and those few other ones like it. In fact, there is no evidence that flowing water has even gone in or out of the cave. So, its like a maze. You have passageways all around. There are wide passages, narrow ones at all diff
21、erent depths, like underground tunnels in the limestone. And, since they were created underground and not from flowing surface water, not all these passageways have an opening to the outside world. And. .and there is other evidence that flowing water wasnt involved in Lechuguilla. Weve said that sul
22、furic acid dissolves limestone, right, and forms the passageways? What else does sulfuric acid do? Paul? Male student: Ah, leaves a chemical residue and. Female student: Gypsum, right? Professor: Yep, youll find lots of gypsum deposited at Lechuguilla. And, as we know, gypsum is soluble in water. So
23、 if there were flowing water in the cave, it would dissolve the gypsum. This is part of what led us to the realization that Lechuguilla is in that small group of waterless caves. And Lechuguilla is pretty much dormant now. Its not really forming any more. But, there is other ones like it, for exampl
24、e, in Mexico, that are forming. And when cave researchers go to explore them, they see and smell, the sulfuric acid and gases of.er.phew.now, something else, think of rotten eggs. And, its not just the smell. Explorers even need to wear special masks to protect themselves from the gases in these cav
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