What are the speakers probably doing?

admin2022-01-08  9

问题 What are the speakers probably doing?
M: When I tell you it’s time, connect the wires and switch the power on.
W: I hope this works, as it accounts for 25 percent of our grades.

选项 A、Operating a computer.
B、Doing an experiment.
C、Checking the power.

答案B

解析
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