A mile is ________．


  1. A.
    1,069 meters
  2. B.
    1,096 meters
  3. C.
    1,609 meters
  4. D.
    1,690 meters
C
1英里相當(dāng)于1,609米。
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A mile is ________．

[　　]

A．1,069 meters

B．1,096 meters

C．1,609 meters

D．1,690 meters

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根據(jù)短文內(nèi)容，選擇最佳答案，并在答題卡上按要求作答。
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【小題5】The writer writes the article mainly by _________.
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In Chicago, a computerized system has been developed that controls(管理)traffic on the city’s 235 miles of seven expressways. Now one—a controller—can follow the movement of Chicago’s traffic by looking at a set of lights. The system uses electric sensors(感應(yīng)器) that are built into each expressway, every half a mile. Several times a second, the computer receives information from each sensor and translates it into green, yellow or red lights on a map in the control room. A green light means traffic is moving forty-five miles an hour, yellow means thirty to forty-five miles an hour, and red means heavy traffic—cars standing still or moving less than thirty miles an hour.
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根據(jù)短文內(nèi)容，選擇最佳答案，并在答題卡上按要求作答。
【小題1】The passage is mainly about ________ on expressways in Chicago.

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C．the electric sensorsD．the traffic lights
【小題2】When the cars move under 30 miles an hour, ________ on the map in the control room.
A．the red light appearsB．the red light turns yellow
C．the yellow light appearsD．the green light turns red
【小題3】 According to the passage, we may learn __________.
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B．there is no heavy traffic on Chicago’s expressways
C．the traffic on Chicago’s expressways is well managed
D．the number of accidents in the US has dropped by 18%
【小題4】In Paragraph 2 the underlined word “it” refers to ___________.
A．the red lightB．the truck that needs repairing
C．the trafficD．the truck that is fixing the road
【小題5】The writer writes the article mainly by _________.
A．giving reasons and resultsB．giving examples and explaining them
C．describing what he thinksD．a(chǎn)sking and answering questions

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