建设项目系统取决于人们对( )的观察方式。
A．主观事物
B．组织事物
C．宏观事物
D．客观事物
参考答案：D
The effective communication ability for a writer is to get the knowledge out of his head and ____ readers’ heads.
A．out of
B．into
C．towards
D．for
熔断器的熔丝选的小一点可已作为电动机的过载保护。
