27．What may be the best title for the text?

　　A．Reaching for your playlist to ease pain

　　B．Sunitha does an experiment with her father

　　C．Sunitha's grandmother likes to listen to music

　　D．Stopping using pain medication on children

　　解析：选A　主旨大意题。本文主要介绍了Sunitha和她父亲的一项研究表明，听音乐可以帮助减轻痛苦。

　　C

　　Jack Ma：Asia's richest man just

　　became $2.8bn richer in one day

　　Jack Ma's net worth increased by $2.8bn overnight as Alibaba forecast sales growth that topped every analyst's estimate on June 8,2017, despite the fact that China's economy is slowing down.

　　Mr Ma, aged 52 this year, is now the richest person in Asia and the 14th wealthiest in the world, according to the Bloomberg Billionaires Index. His net worth has climbed $8.5bn this year to $41.8bn.

　　The latest surge came after China's largest e­commerce company forecast 45 to 49 per cent revenue (收入) growth in the year ending March, demonstrating how investments in online shopping are paying off. Shares in Alibaba, where Mr Ma is chairman, rose 13 per cent to a record high.

　　Alibaba and Tencent, which dominate online shopping and social media respectively, have ventured (冒险) deeper into new areas from cloud computing services to streaming music and video as the country's economy slows. Alibaba is capturing more digital advertising spending by incorporating (吸收) social elements such as video in its shopping sites.

　　Alibaba is holding meetings with investors this week. On Friday, the former English teacher said he wasn't going to discuss corporate forecasts. He took the stage instead to describe how his company had become effectively the world's 22nd largest economy - just after Argentina - in terms of transactions (交易) by never fearing to think big. Mr Ma, who said Alibaba revised 10­year plans annually, foresaw the company becoming the fifth­largest eventually by 2036 by serving burgeoning (迅速发展) Chinese middle classes, taking advantage of global trade and making use of its valuable data.

Ma's comments about the evolution of data­driven technology echoed those of Masayoshi Son, chairman of Japan's SoftBank. SoftBank - Alibaba's largest shareholder