2. 职称英语
  3. The United States calls for some countries to research the bionics since 1960. [

The United States calls for some countries to research the bionics since 1960. [

游客2023-08-02  38
问题 The United States calls for some countries to research the bionics since 1960. [br] Transducers are instruments like a microphone, TV camera, radio or phonograph, which convert one form of energy into another.
选项 A、Y
B、N
C、NG
答案 A
解析 第九段中间一句话指出"…transducers—instruments like a microphone，TV camera，or phonograph pickup arm—which convert one form of energy into another"．像麦克风、电视摄像头、留声机等传感器可以把一种形式的能量转换为另一种形式，与题干表达的意思正好相符，因此答案正确。
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