问题
单项选择题
NBDP以AQR方式通信时，若传输的信息是I am examining now，则分割为（）个信息组发射
A、4
B、5
C、6
D、7
答案
参考答案：C
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NBDP以AQR方式通信时，若传输的信息是I am examining now，则分割为（）个信息组发射
A、4
B、5
C、6
D、7
参考答案：C
| 综合填空。 先通读短文，掌握其大意，然后从方框中选出一个可以填入空白处的词语，并用其适当形 式填空(每空一词)。 | |
know many things about 2. _____ country and the world. Of course, they can also 3. _____ over the radio. But they can learn better and more 4. _____ on TV. 5._____ ? Because they can hear and watch at the same time. But they can't see 6._____ over the radio. TV helps to open children's 7._____ . It helps to open their minds, too. They learn newer and 8._____ 66. ways of doing things. Many children watch TV only on Saturday or Sunday evening. They are always busy 9._____ their lessons. But a few children watch TV every night. They go to bed very 10._____ . They can' t have a good rest. How about you, my young friend? |