Information and opinion gap exercises have to have some content ______ talking about.
A.
worthwhile
B.
worthily
C.
worth
D.
worthy
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参考答案:
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【简答题】OFDM的英文全称是()A. Orthogonal Frequency Division MultiplexingB. Outstanding Frequency Division MultiplexingC. Overwhelming Frequency Division MultiplexingD. Orthogonal Frequency Division Modulation