How did the automated flashlight drive lions away、

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• 1Richard wanted to make an automated flashlight because     .

  A.he wanted to became famous

  B.he had lots of broken flashlights

  C.h e found lions were afraid of humans and flashlights

  D.he wan ted to make the night as bright as the day

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• 2How 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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• 3According 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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• 4The 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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• 5We 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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