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The ocean water in the region where the storm forms
A.is heating the hurricanes
B.evaporates and becomes fuel
C.heads toward land
D.turns into water vapor that makes hurricanes stronger
答案
更多“The ocean water in the region where the storm formsA.is heating the hurricanesB.”相关的问题
第1题
M: That's not exactly correct. It's true that deep down on the ocean floor we won't have the same kinds of currents we find in shallower parts. But we do find what we call turbidity currents. This wasn't in the book but the term came up in class. Do you remember what it means？
W: Umh, turbidity currents？ Oh, yeah! Isn't that when sediment like sand or mud gets stirred up and mixes with water. And then this mixture flows through the water around it, right？
M: Good !
W: Uhe, but I thought that only happened in rivers.
M: Well, yes. This does occur in rivers, but we see turbidity currents deep in the ocean as well.
W: But how do they get started there？
M: Earthquakes mostly, when an earthquake occurs under water, it throws up tremendous amounts of mud or sand that becomes suspended in a layer of water near the bottom of the ocean. This layer is so much denser and heavier than other ocean water that if flows right down the slopes of the ocean floor and gains more and more speed as it moves along. Then it's just like the winds blowing across the desert picking up sand from one place and moving it along and finally dropping it somewhere else.
(23)
A．The strength of ocean currents.
B．The movement of sediment deep in the ocean.
C．A new way of measuring the depth of the ocean.
D．The best methods for studying deep ocean processes.
第2题
M: That's not exactly true. It's true that deep down on the ocean floor we won't have the same kinds of currents we find in shallower parts. But we do find what we call turbidity currents. This wasn't in the book but the term came up in class. Do you remember what it means？
W: Umh, turbidity currents？ Oh, yeah! Isn't that when sediment like sand or mud gets stirred up and mixes with water and then this mixer kind of flows through the water around it, right？
M: Good!
W: Umh, but I thought that only happened in rivers.
M: Well, yes. This does occur in rivers, but we see turbidity currents deep in the ocean as well.
W: But how do they get started there？
M: Earthquakes mostly, when an earthquake occurs under water, it throws up tremendous, amounts of mud or sand that becomes suspended in a layer of water near the bottom of the ocean. This layer is so much denser and heavier than other ocean water that it flows right down the slopes o f the ocean floor and gains more and more speed as it moves along. Then it's just like the winds blowing across the desert picking up sand from one place and moving it along and finally dropping it somewhere else.
(23)
A．Earthquake.
B．Turbidity currents.
C．Erosion and the deposit of sediment on the deep sea floor.
D．Waves or currents that deep in the ocean.
第3题
W: It was pretty interesting. She talked about volcanoes, active volcanoes, under the -- uh -- West Antarctic ice sheet.
M: There ere active volcanoes under the ice？
W: Apparently so. She said they help protect the ice sheet and prevent melting. Flooding would be pretty bad if that ice melted, not only there, but all over the world.
M: You lost me there. Volcanoes are hot. How can something hot prevent ice from melting？
W: Wait a minute, let me check my notes. Yeah, here it is. Volcanic heat melts just enough ice to create a slippery surface on the bottom of the glacier. This water allows ice to flow out into the ocean. So the solid interior ice is protected from the ocean's warmth. Does that make sense？
M: Son of. You mean that because the ice is flowing out to the ocean, the warmer ocean water can't flow in.
W: Exactly. And the ice that melts is constantly being replaced by snow. Prof. Smith said that if the ice sheet ever broke up and melted, the sea level would go up seven meters. Then we would have those floods.
M: Is that really possible？ Or is it one of those exaggerations you hear all the time？
W: As far as I can understand, it is possible, because of global warming. I mean if the ocean got a lot warmer that interior ice would be very likely to melt.
M: Thanks for telling me about the lecture. Sounds like I've missed a pretty important class.
Why did the man ask about the lecture？
(20)
A．He wasn't present at the lecture.
B．He didn't listen to the lecture attentively.
C．He didn't appreciate the lecture.
D．He disliked some part of the lecture.
第4题
听力原文：W: (22) I don't know if we'll be able to spare a whole day at the Ocean Park. We've only got four days in Hong Kong, remember？
M: Oh, right, well, in that case, I'd advise you to get there early. (22)1t opens at 10 o'clock in the morning on week ends. Look, I think I've got a plan of the place somewhere. Let me see.., yes, here we are. You can have this.
W: Thanks.
M: OK, I'll show you. Let's start with the lower level. See？ Here？ You arrive by taxi or bus or whatever here, on the right, can you see？ That's the bus terminal. And you go in through the main entrance. (23)Yon could go to the Water world first but I think you'd better skip that as you're short of time.
W: I can see the cable cars.
M: OK, walk past the cable car terminal, at the bottom of the plan, (24)and bear right past the Waterfall Gardens. Actually？ have a look in, there are ducks and other birds in the pool there-it's very pretty. Then you'll see some steps u p on the left. Follow that path and you'll come to the Centenary Garden which is a good place to stop and take pictures if you've got your camera.
W: What's the next place？
M: Then carry on until you're almost at the Children Zoo. It takes quite a long time to walk around. But I do recommend the "touch and feed" section opposite, as I said. (25)The fun fair is very interesting？ but it’s great fun for older children.
(23)
A．The Waterfall Garden.
B．The theatre.
C．The Water World.
D．The Ocean Park.
第5题
听力原文：M: Hey, Michelle. Look what I just found. Right here in the sand.
W: A piece of wood？ Oh. Driftwood. Interesting shape... Almost like some sort of modern sculpture.
M: Yeah. And feel how smooth it is.
W: Hmm, Must've been in the water a long time. It could've been drifting in the ocean currents for months, or even years.
M: In the currents？ Doesn't the wind just blow things around out there？
W: Well, sure. But the currents are always moving, too. Almost like rivers, but underwater rivers, flowing through the ocean.
M: So how do they find out where these currents go？ Stick a message in a bottle and throw it in the water？
W: Don't laugh. In fact, I was reading in a science magazine that oceanographers have released huge numbers of bottles into the ocean over the years. They wanted to map out where the currents would carry them.
M: Say, I'll bet-after they found out where all those bottles ended up-they could enter all that data in to a computer and make a pretty detailed model to... to show where the currents go.
W: In fact, they did. And they also found a neat way to test that model. There was a freighter carrying sneakers from a factory in Asia. It was caught in a big storm and thousands of pairs of sneakers got dumped in the Pacific Ocean.
M: Really？ What a waste!
W: Yeah. Turns out, though, that hundreds of these shoes started washing up on beaches somewhere near Seattle, just about where the computer models had predicted the currents would carry them.
M: Gee. You mean all that stuff I find on the beaches might be part of some big scientific experiment？ I thought it was all just trash!
(20)
A．Collecting objects on the beach.
B．Creating computer models.
C．Mapping currents in the ocean.
D．Tracking water pollution.
第6题
A．The fun fair.
B．The Water World
C．The Ocean Park.
D．The Waterfall Garden.
第7题
In the matter of developing energy from ocean water, Britain is ______.
A．working on an old Japanese method
B．the most advanced country in the field
C．following the lead of the United states
D．consolidating their work with operations
第8题
A．The Fun Fair.
B．The Water World.
C．The Ocean Park.
D．The Waterfall Garden.
第9题
听力原文： A team of scientists recently began a project to measure the effects of loud noises on sea animals. If the sounds don't harm the animals, then the researchers can go ahead with a plan to transmit sound waves through the Pacific Ocean to take the earth's temperature. Sound travels faster through warm water than cold water. By analyzing the speed of sound through the ocean over time, the scientists will be able to determine if cur planet is warming up. The experiment was nearly cancelled more than a year ago because environmental groups fear that the sound will confuse or harm sea-animals. So scientists are conducting tests on the animals first. The researchers lowered a loud speaker that emits low frequency sound about 1,000 meters beneath the ocean. Scientists at the site transmit sound waves into the ocean. Radio transmitters attached to some of the sea animals help the researchers keep track of the animals' movements. If sea-animals are distressed by the sounds, they would swim away from the speakers. So far, there aren't any signs that the animals are being harmed. Researchers at the site noticed that large numbers of sea-animals swim near the speaker whether it was turned on or off, but it is still too soon to know for sure, the scientists admit. The test will continue through September. "If all goes well," they say, "we can begin measuring temperature changes on our planet."
(33)
A．To determine whether the Earth's temperature is going up.
B．To study the behavior. of some sea animals.
C．To measure the depths of the ocean.
D．To measure the movement of the ocean.
第10题
The development of oceanic water power is important to America because ______.
A．there is a severe shortage of coal and petroleum
B．it is the cheapest method of producing energy
C．petroleum supplies are being steadily drained
D．obtaining energy from ocean water are simpler
