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  • 1. (2021·丹东模拟) 任务型阅读

    Maybe in the near future, driverless cars may become common on the roads. Driverless cars have already been test-driven thousands of miles.  For instance, it helps reduce the number of accidents and traffic jams.

    That is because there are many issues that must be solved before the widespread use of them. One problem is that a driverless car cannot predict problems far down the road like a driver can. The driverless cars react to an emergency only when it actually occurs. For instance, a driver starts to slow down when he sees a child riding her skateboard directly into the road 0.2 km away.

    Driverless cars are not suitable for extreme weather conditions. They don't predict or "feel" that the roads have become icy like an experienced driver would. For instance, when a road is icy, a human driver would step on the brakes more gently than when the roads are clean and dry.

    Another issue is that driverless cars have maps programmed into their memory, but these maps aren't always updated and accurate. New roads are built, and old roads are closed down. Perhaps one day, driverless cars will be everywhere, but we are not ready for that just yet.

    A. The safety problems have almost been addressed.

    B. However, they are not yet available for the public.

    C. Many advantages can be associated to the driverless cars.

    D. Driverless vehicles also have trouble adjusting to new roads.

    E. They may become confused by fog, heavy rain, or heavy snow.

    F. Due to this, a driverless car may get passenger to the wrong destination.

    G. But the driverless car only takes action when the child is in its immediate path.

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