Feedback refers to any information which provides a report on the result of communication which takes place not only between the listener and the speaker.()
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Most contributors to the Communicative Approach share the view that language is used
A. form
B. function
C. structure
D. usage
某一高供高计用户，本月抄见有功电量为1582000kW/h，无功电量为299600kW/h，求该户当月加权平均功率因数？
If the aim of a lesson is “To learn the names of colours ” the lesson may focus on a
A. subject
B. name
C. pattern
D. topic
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