生物学死亡是指（）。
A、呼吸停止
B、心跳停止
C、各种反射消失
D、呼吸心跳停止后大脑的死亡，人体组织细胞新陈代谢完全停止
参考答案：D
观察下列单项式.2x，﹣5x2，10x3，﹣17x4，…．根据你发现的规律，写出第8个式子是﹙ ﹚．
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 issue.
B．Average the numbers and use that as an objective.
C．Perform a feasibility analysis.
D．Ask the sponsor to make the final decision.
