Richard wanted to make an automated flashlight because     .

试卷相关题目

• 1How many lions died during the last decade、

  A.About 2,000.

  B.About 8,000.

  C.About 10,000.

  D.About 1,200.

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• 2According to CNN, self-driving cars will     .

  A.send us more quickly to the workplace

  B.lead to heavier traffic

  C.improve traffic condition in big cities

  D.carry more people than a normal car

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• 3The self-driving car can collect information using     .①video cameras     ②a computer③a LIDAR sensor     ④a computer system

  A.①②

  B.①③

  C.①②③

  D.①②③④

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• 4We don’t know the price of the self-driving car because     .

  A.it is on sale only in America

  B.it isn’t made for sale 、、、、、、、、、、、、、、、、、、、、、、、

  C.people can get it for free

  D.it hasn’t been on sale to the public

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• 5What will happen if you sit in the chair for too long、

  A.Your head will hurt.

  B.You will be very nervous.

  C.The chair will move.

  D.The chair will warn you to mov

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• 6How did the automated flashlight drive lions away、

  A.By making loud noise.

  B.By producing strong light that could kill lions.

  C.All the bulbs flashed at the same time.

  D.Its bulbs flashed one by on

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