根据第三段中的“The cars are built to operate without a steering wheel, accelerator or brake pedal. “Our software and sensors do all the work,” Urmson said.”可推知,没有车轮、油门和刹车 1 的自动驾驶汽车的关键是软件和传感器。故选 B。 28.D 推理判断题。根据第四段中的“In ...
In 1823 Bolyai already informed his father in a letter about hisTheory of Absolute Space:Out of nothing I have created a whole new world.He rejected Euclid’s parallel postulate. Bolyai’s discoveries introduced a new age in the history of geometry. He had solved a 2000 year old problem!
Obama has stated again and again that it will not be easy but that we all must come together. I have not heard that once from the RNC, but only comments to bash a man because he may have a few beliefs that are different. He has a beautiful family (without all of the skeletons) an...