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The deeper under the sea you go, the more pressure is ________ by the weight of the water.
A.influenced
B.used
C.exerted
D.exercised
A.influenced
B.used
C.exerted
D.exercised
(78) In the modern technological world the sea offers many resources to help mankind survive. Resources on land are beginning, to grow less. The sea, however, still offers hope to supply many of man's needs in the future.
The riches of the sea yet to be developed by man's technology are impressive. Oil and gas explorations have existed for nearly thirty years. Valuable amounts of minerals such as iron, copper and so on exist on the ocean floor.
Besides oil and gas, the sea may offer new sources of energy. For example, warm temperature of the ocean can be used as the steam in a steamship. Sea may also offer a source of energy as electricity for mankind.
Technology is enabling man to explore even deeper under the sea. It is obvious that the technology to harvest the sea continues to improve. (79) By the year 2050, experts believe that the problems to explore the food, minerals and energy resources of the sea will have been largely solved.
What is the best title for the passage?
A.Needs of Man
B.Sea Harvest and Food
C.Sea and Sources of Energy
D.Sea Exploring Technology
In the modern technological world the sea offers many resources to help mankind survive. Resources on land are beginning to grow less. The sea, however, still offers hope to satisfy many needs for man in the future.
The riches of the sea yet to be developed by man's technology are impressive. Oil and gas explorations have existed for nearly thirty years. Valuable amounts of minerals such as, iron, copper and so on exist on the ocean floor.
Besides oil and gas, the sea may offer new sources of energy. For example, warm tem-perature of the ocean can be used as the steam in a steamship. Sea may also offer a source of energy as electricity for mankind.
Technology is enabling man to explore even deeper under the sea. It is obvious that the technology to harvest the sea continues to improve. By the year 2050, experts believe that the problems to explore the food, minerals and energy resources of the sea will have been largely solved.
What's the best title for the passage?
A.Needs of Man.
B.Sea Harvest and Food.
C.Sea and Sources of Energy.
D.Sea Exploring Technology.
Now the development of advanced sonar technology, known as bathymetry, is making it possible to study this flooded landscape in extraordinary detail. While previous devices have only been able to produce two-dimensional images, bathymetry makes use of computers, satellite positioning devices and special software to create accurate and remarkably detailed maps. For the first time an ancient river bed leaps out of the three-dimensional image, complete with rocky ledges rising up from the bottom of the valley. The sites of pre-historic settlements can now be pinpointed, and it is also possible to see in stunning detail the sunken shipwrecks that litter this part of the sea bed.
According to archaeologist Dr Linda Andrews, this technological development is of huge significance. "We now have the ability to map the sea bed as accurately as we can map dry land," she says. She is, however, scathing about the scale of government funding for such projects. "We have better images of Mars and Venus than of two-thirds of our own planet! In view of the fact that Britain is a maritime nation, and the sea has had such a massive influence on us, it's an absolute scandal that we know so little about the area just off our shores!"
Once bathymetric techniques have identified sites where people might have built their homes and villages, divers could be sent down to investigate further. The idea of Britain as a natural island kingdom will be challenged by these findings: Britain has been inhabited for about 500,000 years, and for much of this time it has been linked on and off to continental Europe. It remains to be seen how far this new awareness is taken on board among our "island" people.
In fact, the use of bathymetry scanners will not be limited to the study of lost landscapes and ancient settlements. It will also be vital in finding shipwrecks. Records show that there are about 44,000 shipwrecks off the shores of Britain, but there is good reason to believe that the real figure is much higher. In addition, commercial applications are a real possibility. Aggregates for the construction industry are becoming increasingly expensive, and bathymetry scanners could be used to identify suitable sites for quarrying this material. However, mapping the sea bed will also identify places where rare plants and shellfish have their homes. Government legislation may prevent digging at such sites, either to extract material for a profit or to make the water deeper: there are plans to dredge parts of the English Channel to provide deeper waterways for massive container ships.
We can learn from the passage that this particular area under the sea ______.
A.was not previously thought to have been populated
B.was created by the last Ice Age
C.has yielded some archaeological artifacts
D.has had many of its inhabitants drowned
听力原文: Man is a land animal,but he is also closely tied to the sea.Throughout history the sea has served the needs of man.The sea has provided man with food and a convenient way to travel to many parts of the world. Toady,experts believe that nearly two-thirds of the world's population live within eighty kilometers of the seacoast.In the modem technological world,the sea offers many resources to help mankind survive.Resources on land are beginning to grow less.The sea,however,still offers hope to supply many of man's needs in the future.The riches of the sea yet to be developed by man's technology are impressive.Oil and gas explorations have existed for nearly thirty years.Valuable amounts of minerals such as iron,copper exist on the ocean floor.Besides oil and gas,the seas may offer new sources of energy.For example,warm temperature of the ocean can be used as the steam in a steamship.Sea may also offer a source of energy as electricity for mankind.Technology is enabling man to explore even deeper under the sea.It is obvious that the technology to harvest the sea continues to improve.By the 2050,experts believe that the problems to explore the food, minerals and energy resources of the sea will have been largely solved.
What do we learn about the sea in the modem technological world?
A.It is the largest supplier of valuable minerals.
B.It will disappear in about thirty years.
C.It is beginning to grow smaller and smaller.
D.It offers many resources to help mankind survive.
A.People in beautiful rooms tend to give higher marks to photos of faces than people in ugly rooms
B.The color and general appearance of a room have a deeper effect on the behavior. of the people in it
C.The University of Kansas has studied the effects of the color of room on peoples behavior
D.Beautifully furnished, light-coloured rooms make people more comfortable than ugly, dark rooms
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