高考英语阅读理解限时演练(英文)

摘要

＜正＞请认真阅读下列短文,从短文后各题所给的A、B、C、D四个选项中,选出最佳选项。建议阅读时间:30分钟AEngineers at Google have tested a self-driving car on the streets of California,the company announced.The cars use video cameras mounted on the roof,radar sensors and a lase（r激光）range finder to"see"othertraffic,software engineer Sebastian Thrun said.They remain manned