计算:
(b-2a)2-4a(a-b)。
解:原式=b2-4ab+4a2-4a2+4ab=b2
Experts predict that China’s healthcare market will have an annual growth of 6 to 8 per cent in the next few years, making it one of the potentially most prosperous. In Shanghai, annual medical expenditure is estimated to be 16 billion yuan (U. S. 93 billion). With an increasingly (31) population, the growing consumption power and longer life (32) of local residents, the medical market bas great opportunities. However, limited medical resources cannot meet people’s needs (33) financial deficits in State-owned hospitals. (34) , there is room for a range of different medical organizations. As is the case with many State-owned enterprises, public hospitals in the past half century have learned a lot of bad habits: (35) management, over-staffing and bureaucratic operating procedures. Being a member of World Trade Organization (WTO), China has to (36) its promise to open the health industry to foreign capital in coming years. By then, public hospitals will be facing fierce competition from Western giants they have never prepared for. So it’s quite urgent (37) them to learn how to operate as an enterprise and how to survive in the competitive market economy of the future. As a (38) , the healthcare sector was first opened to domestic private investors. Since the first private hospital opened in 1999, private investors from Shenzhen, Sichuan and Zhejiang provinces have been scrambling to enter Shanghai. (39) show that about 20 private hospitals have been set up in the city, although this number, (40) with more than 500 public hospitals, is still quite low.
A.Statistic
B.Statistics
C.Statistician
D.Stator
关于深圳证券交易所上市开放式基金,以下表述正确的是( )。
A.上市开放式基金的上市首日须为基金的开放日
B.基金上市首日的开盘参考价为上市首日前一交易日的基金份额净值
C.基金管理人可按申购金额分段设置申购费率,场内赎回为固定赎回费率,不可按份额持有时间分段设置赎回费率
D.投资者可在交易日的交易时间使用深圳证券账户通过各交易所会员单位的营业网点报盘买入和卖出上市开放式基金