DES密码算法的要求包括（）。A、提供高质量的数据保护，防止数据未经授权的泄露和未被

The software development project is not going well．There are over 30 stakeholders，and no one can agree on the project objectives．One stakeholder believes the project can achieve a 30 percent improvement while another believes a 50 percent improvement is possible．The project manager thinks a 10 percent improvement is more realistic．What is the BEST course of action ？（）

A．Move forward with the project and look for more information later to settle the issu

B．Average the numbers and use that as an objectiv

C．Perform a feasibility analysi

D．Ask the sponsor to make the final decisio

某家庭申请了25万元10年住房抵押贷款，年利率为6%。该家庭在按月等额偿还4年后于第5年年初一次偿还了本金6万元，则从第5年开始该家庭的月还款额减少了( )元。

A．994.37
B．1016.81
C．1255.16
D．1387.24

简述德育方法的改革。

耶拿战役