在国际化经营战略中，能够利用经验曲线效益的战略有（）。 A.国际战略 B.多国本土化

计算题：25℃的水在内径50mm的管内流动，流速为2m/s，计算雷诺数。

短文改错/Proofreading and error correction

It was the chance of a lifetime to win the first prize on the Story Writing Show. All I had to do was to write a story or present it. My teachers have been telling me how great my writing was. So if they had said was true, I would have a chance of winning the prize. What were better, I had useful help. There was Uncle Chen, gentleman living near my house, who was a very much famous writer. He agreed to reading my story and give me some advices on how to write like a real writer.

9（）

某证券公司标准券期初余额为1000万元，T日卖出R003品种4000万元，成交价格为 9%，若该公司在回购到期前无其他交易，则到期日资金清算结果为( )万元。(不考虑各项税费，1年按360天计算)

A．3568
B．3945
C．4003
D．4158

简述中国第四纪的主要地质特征

最大心率随着年龄的增长逐渐增加。 ( )