閱讀理解：

　　Some people don’t believe that driving more slowly can save lives．But the truth is that driving more slowly can help a person to avoid serious accidents．

　　The following chart shows the distance that it takes to stop a car at a given speed．The distance is measured in feet．The shaded area shows the driver's thinking distance．That's the distance it takes for the driver to react to a danger that he sees．The white area shows the car's braking distance．That's the distance it takes for the car to stop once the brakes are used．The number at the top of each bar shows the total number of feet that it takes to stop the car．

(1)

According to the chart, what is the total number of feet needed to stop a car that is traveling at 50 miles per hour?

[　　]

A．

55

B．

73

C．

128

D．

183

(2)

What is the braking distance for a car that is traveling at 60 miles per hoar?

[　　]

A．

66 feel．

B．

119 feet．

C．

185 feet．

D．

251 feet．

(3)

Which of the following statements about braking and speed is true?

[　　]

A．

The braking distance is what it takes for the driver to react to a danger that he sees．

B．

The speed of a car has a direct influence on the distance needed to stop the car．

C．

The braking distance increases only when a driver drives faster than 50 miles per hour,

D．

Driving slowly can help a person to avoid all accidents．

答案：1．D;2．C;3．B;
解析：

(1)

解題關(guān)鍵是圖表上方的文字解釋。The number at the top of each bar shows the total number of feet that it takes to stop the car．(柱形條上方的數(shù)據(jù)表明將車剎住所需英尺的總數(shù)。)因此，該題選擇D。

(2)

The white area shows the car’s braking distance。That’s the distance takes for the car to stop once the breaks are used．(白色區(qū)域表示汽車剎車的距離。即當(dāng)剎車時，汽車停下來所需要的距離。)因此，該題選擇C。

(3)

根據(jù)文章第一段以及圖標(biāo)所示，汽車的速度直接影響到了剎車距離的長短，因此B項為正確答案。A項中the braking distance的定義下錯了，參照上一題解析；C項從圖標(biāo)中就可看出，司機在以每小時30－70英里的時速行駛時，剎車距離都要增加，only一詞用錯了；D項可根據(jù)第－段的第二句話排除，行駛較慢可使司機避免，serious accidents(重大事故)，而不是all accidents(所有事故)。


提示：

本文通過數(shù)字調(diào)查論證了慢速行駛可有助于避免重大交通事故。


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(1)
[　　]

A．

stay

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leave

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go out

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die

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A．

earth

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moon

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A．

That is

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I am

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anything

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warmth

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combined

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