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 ________.

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A.1,069 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。
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【小題3】 According to the passage, we may learn __________.
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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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