题目

Once there was a piano player in a bar(酒吧). People came just to hear him play. But one night, a lady asked him to sing a song.‘I don't sing,’ said the man.But the lady told the waiter, ‘I'm tired of listening to the piano. I want the player to sing!’The waiter shouted across the room, ‘Hey, friend! If you want to get your money, sing a song!’So he did. He had never sung in public before. Now he was singing for the very first time! Nobody had ever heard the song Mona Lisa sung so beautifully!He had talent(天赋) he was sitting on! He may have lived the rest of his life as a no-著名高分子化学家、北大校长周其风写了一首歌，歌名为《化学是我，化学是你》。其 中写道：“…你我你我 要温暖漂亮 化学提供 衣装婀娜；你我你我 要吃足喝好 化学提供 营养多多；你我你我 要飞天探地 化学提供 动力几何；即使你我的身心健康 也是化学密码解锁；…”写出了化学对社会进步和人类文明的贡献．关于化学对社会进步和人类文明的贡献，下列说法不正确的是 A．合成药物的研发和使用，保障了人体健康　　 B．新材料的研制和应用，提高了人们的生活品质　　 C．化石燃料的直接利用，促进了低碳经济的发展的价值 D．化肥的合理使用提高了农作物产量，缓解了人类粮食危机