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【简答题】
若（1-2i）（x+i）=4-3i（i是虚数单位），则实数x为______．
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举一反三
【单选题】Focusing on the Main Ideas ▇ Choose the best answer to complete each of the following sentences according to the information contained in the listening passage. 1. The speaker wants us human beings to...
A.
some people sometimes appear to be so creative
B.
we sometimes seem to be so dull and stupid
C.
some of us appear to be so imaginative sometimes
D.
creativity is the essence of life and nature
【简答题】在9600bit/s的线路上进行一小时的连续传输,测试结果有150bit的差错,则该数据通信系统的误码率为( )。
【单选题】TaskOne: Focusing on the Main Ideas ▇ Choose the best answer to each of the following questions according tothe information contained in the listening passage. 1 When do people come into your life “fo...
A.
When they know you well.
B.
When you need them in life.
C.
When you can support their career.
D.
When they are willing to listen to your troubles.
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