摘要: When planes take off,all p should fasten their seat belts.

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You never see him, but they're with you every time you fly. They record where you are going, how fast you're traveling and whether everything on your airplane is functioning normally. Their ability to endure almost any disaster makes them seem like something out of a comic book. They're known as the black box.
 When planes fall from the sky, as a Yemeni airliner did on its way to Comoros Islands in the India ocean on June 30, 2009, the black box is the best bet for identifying what went wrong. So when a French submarine (潜水艇) detected the box's homing signal five days later, the discovery marked a huge step toward determining the cause of a tragedy in which 152 passengers were killed.
 In 1958, Australian scientist David Warren developed a flight-memory recorder that would track basic information like altitude and direction. That was the first mode for a black box, which became a requirement on all U.S. commercial flights by 1960. Early models often failed to withstand crashes, however, so in 1965 the box was completely redesigned and moved to the rear of the plane – the area least subject to impact – from its original position in the landing wells (起落架舱). The same year, the Federal Aviation Authority required that the boxes, which were never actually black, be painted orange or yellow to aid visibility.
 Modern airplanes have two black boxes: a voice recorder, which tracks pilots' conversations, and a flight-data recorder, which monitors fuel levels, engine noises and other operating functions that help investigators reconstruct the aircraft's final moments. Placed in an insulated (隔绝的) case and surrounded by a quarter-inch-thick panels of stainless steel, the boxes can stand massive force and temperatures up to 2,000℉. When submerged, they're also able to emit signals from depths of 20,000 ft. Experts believe the boxes from Air France Flight 447, which crashed near Brazil on June 1,2009, are in water nearly that deep, but statistics say they're still likely to turn up. In the approximately 20 deep-sea crashes over the past 30 years, only one plane's black boxes were never recovered.
【小题1】What does the author say about the black box?

A.It is an indispensable device on an airplane. 
B.The idea for its design comes from a comic book.
C.Its ability to avoid disasters is incredible.
D.It ensures the normal functioning of an airplane.
【小题2】What does the underlined word in the 3rd paragraph mean? 
A.witness B.experienceC.resist D.ensure
【小题3】Why was the black box redesigned in 1965?
A.New materials became available by that time
B.Too much space was needed for its installation.
C.The early models didn't provide the needed data.
D.The early models often got damaged in the crash.
【小题4】What do we know about the black boxes from Air France Flight 447?
A.There is an urgent need for them to be reconstructed.
B.There is still a good chance of their being recovered. 
C.They have stopped sending homing signals.
D.They were destroyed somewhere near Brazil.

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第三部分、阅读理解(共15个小题;每小题2分,满分30分)

阅读下列短文,从每题所给的四个选项(A、B、C、D)中,选出最佳选项。

The richest country

To reach the world’s richest country, you needn’t set out for the Middle East, but for the South Pacific, to a tiny dot just south of the equator, called Nauru. Only 8.2 square miles in size, the whole of this country can be seen from the air as the plane comes into land. The blue South Pacific reaches for thousands of miles in all directions, the nearest piece of land being Ocean Island 200 miles to the east.

Nauro is so small that the plane lands in what is best regarded as the capital’s main street. The seaward side of the runway has traffic lights at each end to stop cars when planes are landing. The tiny bus station outside the airport is crowded with well-fed and brightly clothed Naurans with their modern cars.

With Naurans now getting an average(平均) of $44,500 a year, the island’s 60,000 people seem to have little to worry about. A trip to the island’s central hump(隆峰) tells a slightly different story.

The hump with a great deal of phosphate(磷酸盐) round is Nauru’s wealth. When Nauru gained freedom from the British government in 1908, about 40 million tons of the earliest 100 million tons of phosphate were left. Since it has taken out another 10 million tons, which leaves enough only for another 20-25 years.

61.The best title of the text should be______.

A. Wealth and population of Nauru

B. The most beautiful country in the world

C. A small island surrounded by the Pacific

D. A small but rich island country

62.It can be inferred from the text that______.

A.Nauru has not built a runway in the airport yet

B.Nauru is not large enough to build the runway of the plane

C.the Naurans are not rich enough to build a runway of the plane

D.no cars run on the main street

63.From the last sentence of the text we can learn that the writer wants to tell us______.

A.why Naurans are so rich

B.something more about Nauru

C.something for Naurans to worry about

D.how the British robbed Nauru of their wealth

64.How many tons of phosphate will probably be taken out in Nauru a year?

A. 2,000,000 to 2,500,000 tons

B. 2,800,000 to 3,500,000 tons

C. 1,200,000 to 1,500,000 tons

D. 400,000 to 500,000 tons

 

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You never see him, but they're with you every time you fly. They record where you are going, how fast you're traveling and whether everything on your airplane is functioning normally. Their ability to endure almost any disaster makes them seem like something out of a comic book. They're known as the black box.
 When planes fall from the sky, as a Yemeni airliner did on its way to Comoros Islands in the India ocean on June 30, 2009, the black box is the best bet for identifying what went wrong. So when a French submarine (潜水艇) detected the box's homing signal five days later, the discovery marked a huge step toward determining the cause of a tragedy in which 152 passengers were killed.
 In 1958, Australian scientist David Warren developed a flight-memory recorder that would track basic information like altitude and direction. That was the first mode for a black box, which became a requirement on all U.S. commercial flights by 1960. Early models often failed to withstand crashes, however, so in 1965 the box was completely redesigned and moved to the rear of the plane – the area least subject to impact – from its original position in the landing wells (起落架舱). The same year, the Federal Aviation Authority required that the boxes, which were never actually black, be painted orange or yellow to aid visibility.
 Modern airplanes have two black boxes: a voice recorder, which tracks pilots' conversations, and a flight-data recorder, which monitors fuel levels, engine noises and other operating functions that help investigators reconstruct the aircraft's final moments. Placed in an insulated (隔绝的) case and surrounded by a quarter-inch-thick panels of stainless steel, the boxes can stand massive force and temperatures up to 2,000℉. When submerged, they're also able to emit signals from depths of 20,000 ft. Experts believe the boxes from Air France Flight 447, which crashed near Brazil on June 1,2009, are in water nearly that deep, but statistics say they're still likely to turn up. In the approximately 20 deep-sea crashes over the past 30 years, only one plane's black boxes were never recovered.
【小题1】What does the author say about the black box?

A.It is an indispensable device on an airplane. 
B.The idea for its design comes from a comic book.
C.Its ability to avoid disasters is incredible.
D.It ensures the normal functioning of an airplane.
【小题2】What does the underlined word in the 3rd paragraph mean? 
A.witness B.experienceC.resist D.ensure
【小题3】Why was the black box redesigned in 1965?
A.New materials became available by that time.
B.Too much space was needed for its installation.
C.The early models didn't provide the needed data.
D.The early models often got damaged in the crash.
【小题4】What do we know about the black boxes from Air France Flight 447?
A.There is an urgent need for them to be reconstructed.
B.There is still a good chance of their being recovered. 
C.They have stopped sending homing signals.
D.They were destroyed somewhere near Brazil.

查看习题详情和答案>>

You never see them, but they're with you every time you fly. They record where you are going, how fast you're traveling and whether everything on your airplane is functioning normally. Their ability to withstand almost any disaster makes them seem like something out of a comic book. They're known as the black box.
When planes fall from the sky, as a Yemeni airliner did on its way to Comoros Islands in the India ocean June 30, 2009, the black box is the best bet for identifying what went wrong. So when a French submarine (潜水艇) detected the device's homing signal five days later, the discovery marked a huge step toward determining the cause of a tragedy in which 152 passengers were killed.
In 1958, Australian scientist David Warren developed a flight-memory recorder that would track basic information like altitude and direction. That was the first mode for a black box, which became a requirement on all U.S. commercial flights by 1960. Early models often failed to withstand crashes, however, so in 1965 the device was completely redesigned and moved to the rear of the plane – the area least subject to(易遭受)impact – from its original position in the landing wells (起落架舱). The same year, the Federal Aviation Authority required that the boxes, which were never actually black, be painted orange or yellow to aid visibility.
Modern airplanes have two black boxes: a voice recorder, which tracks pilots' conversations, and a flight-data recorder, which monitors fuel levels, engine noises and other operating functions that help investigators reconstruct the aircraft's final moments. Placed in an insulated (隔绝的) case and surrounded by a quarter-inch-thick panels of stainless steel, the boxes can withstand massive force and temperatures up to 2,000℉. When submerged, they're also able to emit signals from depths of 20,000 ft.
Experts believe the boxes from Air France Flight 447, which crashed near Brazil on June 1, 2009, are in water nearly that deep, but statistics say they're still likely to turn up. In the approximately 20 deep-sea crashes over the past 30 years, only one plane's black boxes were never recovered.
【小题1】What information could be found from the black box on the Yemeni airliner?

A.Data for analyzing the cause of the crash.
B.The total number of passengers on board.
C.The scene of the crash and extent of the damage.
D.Homing signals sent by the pilot before the crash.
【小题2】Why was the black box redesigned in 1965?
A.New materials became available by that time.
B.Too much space was needed for its installation.
C.The early models often got damaged in the crash.
D.The early models didn't provide the needed data.
【小题3】Why did the Federal Aviation Authority require the black boxes be painted orange or yellow?
A.To distinguish them from the colour of the plane.
B.To caution people to handle them with care.
C.To make them easily identifiable.
D.To obey international standards
【小题4】What do we know about the black boxes from Air France Flight 447?
A.There is still a good chance of their being recovered.
B.There is an urgent need for them to be reconstructed.
C.They have stopped sending homing signals.
D.They were destroyed somewhere near Brazil.

查看习题详情和答案>>

You never see him, but they're with you every time you fly. They record where you are going, how fast you're traveling and whether everything on your airplane is functioning normally. Their ability to endure almost any disaster makes them seem like something out of a comic book. They're known as the black box.

 When planes fall from the sky, as a Yemeni airliner did on its way to Comoros Islands in the India ocean on June 30, 2009, the black box is the best bet for identifying what went wrong. So when a French submarine (潜水艇) detected the box's homing signal five days later, the discovery marked a huge step toward determining the cause of a tragedy in which 152 passengers were killed.

 In 1958, Australian scientist David Warren developed a flight-memory recorder that would track basic information like altitude and direction. That was the first mode for a black box, which became a requirement on all U.S. commercial flights by 1960. Early models often failed to withstand crashes, however, so in 1965 the box was completely redesigned and moved to the rear of the plane – the area least subject to impact – from its original position in the landing wells (起落架舱). The same year, the Federal Aviation Authority required that the boxes, which were never actually black, be painted orange or yellow to aid visibility.

 Modern airplanes have two black boxes: a voice recorder, which tracks pilots' conversations, and a flight-data recorder, which monitors fuel levels, engine noises and other operating functions that help investigators reconstruct the aircraft's final moments. Placed in an insulated (隔绝的) case and surrounded by a quarter-inch-thick panels of stainless steel, the boxes can stand massive force and temperatures up to 2,000℉. When submerged, they're also able to emit signals from depths of 20,000 ft. Experts believe the boxes from Air France Flight 447, which crashed near Brazil on June 1,2009, are in water nearly that deep, but statistics say they're still likely to turn up. In the approximately 20 deep-sea crashes over the past 30 years, only one plane's black boxes were never recovered.

1.What does the author say about the black box?

A.It is an indispensable device on an airplane. 

B.The idea for its design comes from a comic book.

C.Its ability to avoid disasters is incredible.

D.It ensures the normal functioning of an airplane.

2.What does the underlined word in the 3rd paragraph mean? 

A.witness           B.experience        C.resist            D.ensure

3.Why was the black box redesigned in 1965?

A.New materials became available by that time.

B.Too much space was needed for its installation.

C.The early models didn't provide the needed data.

D.The early models often got damaged in the crash.

4.What do we know about the black boxes from Air France Flight 447?

A.There is an urgent need for them to be reconstructed.

B.There is still a good chance of their being recovered. 

C.They have stopped sending homing signals.

D.They were destroyed somewhere near Brazil.

 

查看习题详情和答案>>

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