4. c. Scientists say there's no doubt that this warming is caused by humanity's vast carbon emissions, mainly from burning fossil fuels. 三、听第三遍音频，将句子补充完整。 （提示：可以反复听，直到听清楚每一个词） 1. That meant it wasn't ...

随着摩尔定律、香农定律和冯·诺依曼架构遇到瓶颈，芯片和计算机架构将发生颠覆性创新，同时推动人工智能芯片成本持续下降。人工智能应用创造的价值将是计算成本的100倍，从而迎来多样化、创新型人工智能应用的爆发。