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  Einstein was born in 1879 in Germany. As a child, he was slow to learn to talk. As a pupil, he was backward. But when he was fourteen years old, he became, clever. He taught himself maths from textbooks. He studied hard because he wanted to be a physicist.

  In 1901, Einstein began teaching. In 1902 he continued his studies at the University of Zurich. Several years later, he formulated (明确提出) his famous Theory of Relativity. To mast people the law of relativity is difficult to explain. But once he explained it very well to a group of young students. He said,“When you sit with a good girl for two hours, you think it is only a minute. But when you sit on a hot stove for a minute, you think it's two hours. That is relativity.”

  After Hitler came into power in Germany, Einstein went to America. In 1940 Einstein became an American citizen. In 1955 Einstein's life ended at the age of seventy-six.

1.When Einstein was a pupil of twelve, he ________.

[  ]

A.was not quick in learning to talk

B.was so poor in his studies

C.studied very hard

D.hardly lagged behind

2.The law of relativity is ________.

[  ]

A.very hard for most people to understand

B.too hard for Einstein himself to explain

C.too hard to explain to anybody except Einstein

D.easy to understand only for the young students

3.When did Einstein become an American citizen?

[  ]

A.He was an American citizen until 1940.

B.Not until he had reached the age of 61 did he become an American citizen.

C.He did not become an American citizen until 1955.

D.He became an American citizen in the year when Hitler came into power.

4.Which of the following do you think is true?

[  ]

A.The Germans owed their scientific progress to Einstein.

B.The Americans owed their economic development to Einstein.

C.Einstein owed a great deal to the modern world.

D.Einstein made a very great contribution to modem science.

5.The title for this passage should be ________.

[  ]

A.Theory of Relativity
B.An American Citizen
C.Albert Einstein
D.Einstein's Contribution
答案:B;A;B;D;C
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  It has shined and steamed at the lowest point on Earth since the ancient time.Its silence and curing powers have attracted people from biblical(圣经的)mystics to modern tourists.But the Dead Sea has been quietly dying for years.

  And the two states next to its shrinking shoreline, Israel and Jordan, face serious economic and ecological challenges in considering how to save a unique natural wonder of the world.

  They have begun to consider a“Red-Dead”solution-a canal to pump water from the Red Sea to the Dead Sea.But huge costs, and the risk both of damaging the Red's famous coral reefs and weakening the Dead's medicinal minerals, stand in the way.

  Known as the Dead Sea because nothing can live in it, the world's saltiest body of water has fallen from 390 metres to 417 metres below sea level in the last 50 years.The drop has sped up to a metre a year recently, making a third of its ancient 950 square km size lost.Modern economics are to blame-taking too much Jordan River water that feeds the Dead Sea to rain-starved farmland.

  Hotels and health spas(旅游胜地)built along the beach below desert cliffs, as well as sites holy to Jews, Christians and Muslims, are now a kilometre or more from the water's edge.Retired Swiss couple Jean and Esther Haensenberger have been spending their yearly“Kur”-a Central European tradition of taking medicinal baths to treat skin illness and stress-at Israel's flagship Dead Sea resort of Ein Gedi since the 1980s.At first, they could walk a few paces from the Ein Gedi Spa to the beach for a float in windless waters so floating that one can read a book while lying on one's back.Now visitors board a tractor-drawn trolley that takes them a kilometre to the water.

  “It's over twice the distance out today.It's sad that another rare preserve of nature is disappearing.”said Jean Haensenberger as he and his wife rode to the shore,“If the sea keeps going down, will people like us keep coming?”

(1)

What's the risk the“Red-Dead”solution may have?

[  ]

A.

It may change the nature of the Dead Sea.

B.

It may destroy the famous coral.

C.

It may make the medicinal materials disappear.

D.

It may cost too much money.

(2)

The main problem the Dead Sea faces is ________.

[  ]

A.

it steams too fast

B.

it is getting smaller and smaller

C.

more and more visitors visit it

D.

it is getting dirtier and dirtier

(3)

One of the causes that makes the Dead Sea smaller is ________.

[  ]

A.

hotels built along the beach

B.

the growing tourism

C.

less and less rainfall

D.

too much water was taken to farmland

(4)

What disadvantage has the disappearing Dead Sea brought to the tourists?

[  ]

A.

Tourists won't come to the Dead Sea.

B.

Its nature is changing.

C.

Tourists have to go much farther to the water.

D.

The water in the Dead Sea is becoming saltier and saltier.

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