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提问人：网友cqf365 发布时间：2022-01-07

[主观题]

听力原文： Geologists say they knew that a large earthquake was coming in South Asia, but t

hey did not know when.

The Himalayan Mountains were formed some 150 million years ago after the landmass that is now India broke off from Antarctica, drifted north and collided with the rest of Asia.

Scientists say the South Asian land mass is still moving towards North Asia at the rate of about two centimeters a year, making the area prone to earthquakes.

Harley Benz is a researcher at the U.S. Geological Survey earthquake information center. "It's a broad zone of deformation, and across this zone that extends 1,000 kilometers, you have a whole series of faults and folds."

Another earthquake-prone region is along the 1300 kilometer San Andreas Fault in California.

It is here that John Rundle, a physics and engineering professor at the University of California at Davis, is testing his earthquake computer simulation.

According to the news, the current Indian landmass was once part of ______ millions of years ago.

A．Antarctica

B．Africa

C．Australia

D．America

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更多“听力原文： Geologists say they knew that a large earthquake was coming in South Asia, but t”相关的问题

第1题

听力原文：M: How did you like yesterday's astronomy class？W: It was interesting. But the po

听力原文：M: How did you like yesterday's astronomy class？

W: It was interesting. But the point she was trying to make seemed a little far-fetched.

M: Oh, that new theory that ocean water came from comets？

W: Yeah. Do you remember what it was based on？

M: Some recent satellite photos, I think. Apparently, space satellites recently detected thousands of small comets colliding with earth's outer atmosphere, almost 40,000 per day.

W: Ok, so they collided with the atmosphere. So that's what created the water？

M: It's not that the collision created water. Comets contain water. They are made up mostly of cosmic dust and water. When they collide with the atmosphere, they break up. And the water they contain rains down to earth. Ocean water came from that rain.

W: Oh. Well, this morning I asked my geology professor about that. He said that most geologists draft accept it.

M: Why not？

W: Their research indicates that most of the water molecules from the comet would have burned up as they fell through the atmosphere. Enough rain couldn't have reached the earth to fill up the ocean.

M: Well, did the geologists have an alternative theory to explain where ocean water came from？

W: Yeah, he said the more traditional view is that the ocean water came from volcanoes.

M: From volcanoes？

W: Right. They say volcanic fumes are mostly steam. And they claimed that it was the volcanic steam that created the oceans, not rain from comets.

What are speakers mainly discussing？

A．The effect of the atmosphere on rainfall.

B．How conditions on Earth support life.

C．How water originated on Earth.

D．A new estimate of the age of Earth.

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第2题

听力原文：M: How did you like yesterday's astronomy class？W: It was interesting. But the po

听力原文：M: How did you like yesterday's astronomy class？

W: It was interesting. But the point she was trying to make seemed a little far-fetched.

M: Oh, that new theory that ocean water came from comets？

W: Yeah. Do you remember what it was based on'？

M: Some recent satellite photos, I think. Apparently, Space satellites recently detected thousands of small comets colliding with earth's outer atmosphere, almost 40,000 per day.

W: OK, they're collided with atmosphere. So that's what created the water？

M: It's not the collision that created water. Comets contain water. They're made up mostly of cosmic dust and water. When they collide with the atmosphere, they break up. And the water they contain rains down to earth. Ocean water came from that rain.

W: Oh well, this morning I asked my geology professor about that. He said that most geologists don't accept it.

M: Why not？

W: Special research indicates that most of the water molecules from the comet would have burned up as they fell through the atmosphere. Enough rain couldn't have reached the earth to fill up the ocean.

M: Well, did the geologists have an alternative theory to explain where ocean water came from？

W: Yeah, he said the more traditional view is that the ocean water came from volcanoes.

M: From volcanoes？

W: Right. They say volcanic fumes are mostly steam. And they claimed that it was the volcanic steam that created the oceans, not rain from comets.

(20)

A．The effect of the atmosphere on rainfall.

B．How conditions on earth support life.

C．How water originated on earth.

D．A new estimate of the age of earth.

点击查看答案

第3题

听力原文：I'd like to talk to you about a television program that's going to be shown tonig

听力原文： I'd like to talk to you about a television program that's going to be shown tonight, and that I want you all to watch. It will present work that's currently being done by geologists off the coast of Hawaii. The only active underwater volcano in the U. S. is located there.It's growing and may reach the surface of the ocean in about 50, 000 years—not very long from now in geological time. Anyway, geologists are setting up an unmanned observatory at the top of this volcano, which is located about 70 miles southeast of Hawaii and about 3, 000 feet below the surface of the ocean. They plan to install seismometers, thermal sensors, chemical detectors, video cameras, and other equipment to monitor the volcano's activities. Then they'll hook up an electric cable between the observatory and the mainland so they can receive information electronically from these instruments. Geologists are pretty excited about this project, and I hope you are too. It ties in very nicely with the work we've been doing in class on volcanoes. Watch the program about it tonight, and be prepared to discuss it tomorrow.

Who is the speaker？

A．A television announcer.

B．A member of a research team.

C．A teacher.

D．A network executive.

点击查看答案

第4题

听力原文：Your professor has asked me to talk to you today about the topic that should be o

听力原文： Your professor has asked me to talk to you today about the topic that should be of real concern to civil engineers: the erosion of the US beaches. Let me start with some statistics. Did you know that 90% of the coast in this country is eroding, on the gulf of Mexico for instance, erosion averages 4 to 5 feet per year？ Over the past 20 years, there has been all increase in building along the coast, even though geologists and environmentalists have been warning communities about problems like erosion. Someway, communities have tried to protect their buildings and roads and to build seawalls.

However, geologists have found that such stabilizing structures actually speed up the destruction of the beaches. These beaches with seawalls, called stabilized beaches, are much narrower than beaches without them. You may wonder how seawalls speed up beach loss. The explanation is simple. If the flow of the beaches is gentle, the water energy is lessened as it washes up along the shore. It is reduced even more that returns to the sea so it doesn't carry back much sand. On the other hand, when the water hits the nearly-vertical face of the seawall, it goes straight back to the sea with the full force of its energy and it carries back a great deal of sand. Because of the real risk of losing beaches, many geologists support a ban on all types of stabilizing construction on shorelines.

(30)

A．To protect beachfront property.

B．To reduce the traffic on beach roads.

C．To provide privacy for homeowners.

D．To define property limits.

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第5题

听力原文：Who has the final say in the family？（10)A．Mother.B．Daughter.C．Father.D．Friends.

听力原文：Who has the final say in the family？

(10)

A．Mother.

B．Daughter.

C．Father.

D．Friends.

点击查看答案

第6题

听力原文：Sorry, how do you say this word？（A) I didn't say anything. （B) It is a good news

听力原文：Sorry, how do you say this word？

(A) I didn't say anything.

(B) It is a good news for you.

(C) Apple, A-P-P-L-E.

(25)

A．

B．

C．

点击查看答案

第7题

听力原文：What color is it？（8)A．It's an apple.B．It's red.C．It's very kind of you to say so.

听力原文：What color is it？

(8)

A．It's an apple.

B．It's red.

C．It's very kind of you to say so.

点击查看答案

第8题

听力原文：W: What did the weatherman say？M: It's supposed to clear up this week. What are t

听力原文：W: What did the weatherman say？

M: It's supposed to clear up this week.

What are the speakers talking about？

A．A man.

B．The weather.

C．An exam.

点击查看答案

第9题

听力原文：If a British person wants to borrow a pen, what will he say？ If a British person

听力原文：If a British person wants to borrow a pen, what will he say？

If a British person wants to borrow a pen, what will he say？

He will say,"______".

点击查看答案

第10题

听力原文：W: Is this school really as good as people say？M: It used to be even better. How'

听力原文：W: Is this school really as good as people say？

M: It used to be even better.

How's the school now？

A．It's not as good as it was.

B．It's better than it used to be.

C．It's even worse than people say:

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