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Scientists used to explore探测on the surfa...

Scientists used to explore探测on the surface of the ocean. Now they are exploring below the surface, too. They want to know about ocean water and the plant and animal life deep in the ocean.

In 1934 the scientist William Beebe dived 3 000 feet below the surface in a hollow steel ball. In 1935 August Piccard dived 10330 feet. In 1960 his son Jean dived to a depth of 35 800 feet. All these early dives were deep. But the divers could not stay down for very long. They had to come back up to the surface after a few seconds. Scientists needed to stay down longer to study life below surface. Gradually they succeeded. Cousteau, a Frenchman, was able to keep men down to a depth of 90 feet for a week.

Now scientists are developing even better equipment. With this new equipment,men can stay below the surface for days or even weeks. In 1962 Cousteau set up a research station 35 feet below the surface. Then,in 1964,he set up another station on the ocean floor of the Red Sea. This was the first undersea station to operate without help from the surface.

Many countries are now studying undersea living. The former Soviet Union has an undersea laboratory in the Crimean Sea. The United States has a laboratory 50 feet down on the ocean floor off the Virgin Islands. In 1970 five men lived there for two weeks. Then a team of five women scientists stayed in the laboratory. Next came other teams of men. All were there to explore the ocean depths and to make plans for the use of its resources. Scientists hope to find enough mineral,vegetable,and animal wealth there to provide food for the entire world.

1.In order to______ ,scientists are exploring below the surface of the ocean.

A. know about the ocean water deep in the ocean

B. stay down longer to study life of the plant and animal below the surface

C. know about the plant and animal life deep in the ocean

D. both A and C

2.Who made the deepest dive______

A. William Beebe.

B. August Piccard.

C. Jean Piccard.

D. Cousteau.

3.Which of the following statements is true____

A. The early divers could not stay down for very long.

B. Up to now only five women scientists have stayed in the undersea laboratory.

C. The purpose of setting up the undersea laboratories is to make plans for the use of the resources in the ocean.

D. None of the above is true.

 

1.D 2.C 3.A 【解析】 试题分析: 文章告诉我们,科学家为了利用海底资源并发现海底动植物的秘密而不断进行深潜探索。 1.D 考查推理判断题。科学家为了利用海底资源并发现海底动植物的秘密而不断进行深潜探索,故选D项。 2.C 考查细节理解题。根据第二段提到In 1935 August Piccard dived 10330 feet. In 1960 his son Jean dived to a depth of 35 800 feet.可知Jeam 潜入海洋底最深处,故选D项。 3.A 考查细节理解题。根据第二段提到All these early dives were deep. But the divers could not stay down for very long可知A项是正确的。 考点 :科普类阅读。
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