霍金对AI的警告
46BIt might be a blessing or a disaster in the making.
47CIt was extremely important to the destiny of humankind.
48AThe shift of research focus from the past to the future
49DSuper—intelligence may eventually ruin mankind.
50CThey share the same concerns about AI as academic
 

卖货给老年人
51B They want to have a share of the seniors’ goods market
52C  collect residents’ feedback on theirproducts
53D It is a communication system via TV instead of a computer.
54A Winning trust from prospective customers.
55B They are quite at ease with high-tech products.