4304A通过式功率计插入损耗:512-1000MHz,最大()。
A、1.1dB
B、1.2dB
C、1.3dB
D、1.4dB
参考答案:C
Music _________ by the British musician attracts music lovers all over the world.
A.to write
B.to be written
C.written
D.writing
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