关于回避风险的策略，下面哪个是不正确的()。

In fixed price contract which of the following holds true？

When the project team is not collocated, establishing a way to help team members communicate quickly and frequently is essential. One practical approach is to—

挣值管理的一个挑战是预计完工比例用于计算挣值的最简单公式是____

风险识别的内容有()。