单选题
A" myograph" (Para. 2, Line 1) is an electronic instrument that______.
A、
is able to design new tools
B、
measure the amount of energy used
C、
enables people to see the muscular movements
D、
visualizes electrical signals
【正确答案】
C
【答案解析】
[分析] 本题考查利用上下文理解生词的能力。单词myograph所在的第二段说，这种仪器 makes visible through electrical signals the work done by human muscle，与C基本是同样的意思。
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