关于一般性货币政策工具，下列说法错误的是( )。
A．调整法定准备金率对货币乘数的作用力度很强
B．调整法定准备金率成效快
C．与法定存款准备金率相比，再贴现政策的作用力度较弱
D．公开市场业务是比较灵活的金融调控工具
参考答案：B
解析： 调整法定准备金率对货币供应量和信贷量的影响要通过商业银行的辗转存、贷，逐级递推而实现，成效较慢，时滞较长。所以，正确答案为B。
Ling Ruiming has long dreamed of traveling around the world. But when the 86-year-old man was diagnosed with terminal cancer, it 48 that his dream would never come true. 49 a micro blog his granddaughter Ling Yifan posted on Sina Weibo, China’s Twitter-like platform, Ling Ruiming was able to travel around the world within several days. “My grandpa is sick with few days 50 ,” she wrote. “All he wanted to do is to travel around the world. Could you please do him a favor of taking him around the world by taking a photo with his 51 at your place?” Within three hours, the post was forwarded (转发) tens of thousands of times. Ling Yifan has 52 more than 20,000 replies with photos of her grandfather’s portrait at places around the world, including the River Thames in England and the Berlin Wall in Germany, even a picture at the South Pole. Her grandfather was delighted and grateful to see his photo 53 different backgrounds from all over the world. Ling Yifan said, “It was not until three months ago, when my grandfather was diagnosed and moved to Peking University Third Hospital, that I realized the love between family members is the most precious and 54 part of life. What I did is just my way to fulfill the grandpa’s dream and 55 some of his regrets.”
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