Biologists have ascertained that specialized cells convert chemical energy into

游客2025-05-07 13

问题 Biologists have ascertained that specialized cells convert chemical energy into mechanical energy.

选项 A、determined
B、argued
C、pretended
D、hypothesized

答案 A

解析

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Wheneverworkisbeingdone,energy______fromoneformintoanother.A、converts