Which of the following statements is true of color commentary? A.It narrates the action of the event in real time, using the present tense. B.It is a monologue given to an audience that does not respond to the speaker. C.It is steady and fluent because it must keep up with the action of the event. D.It gives background on the event, and interprets and evaluates the event.
D.It gives background on the event, and interprets and evaluates the event.
鸟之将死, 其鸣也哀。 _________________
Once a duckling has identified a parent, the instinctive bond become a powerful _____ for additional learning since, by _____the parent, the duckling can acquire further information that is not genetically transmitted.