题目

阅读理解 Regulating a complex new technology ishard, particularly if it is evolving rapidly. With autonomous vehicles(AVs)just around the corner, what can policymakers do to ensure that they arrivesafely and smoothly and deliver on their promise? The immediate goal is to make sure that AVsare safe without preventing innovation. In America, experimental AVs areallowed on the road in many states as long as the companies operating themaccept responsibility. Chris Urmson of Aurora says American regulators have gotthings right, working closely with AV firms and issuing guidelines rather thanstr我国季风气候显著的原因是(    ) A、南北跨度大                               B、东西跨度大     C、地形复杂多样                            D、位于世界亚欧大陆的东部，濒临太平洋，海陆热力差异大