相机抉择的财政政策
参考答案:
有一只小灯泡上标有“6V 3W”的字样,若把它接在9V的电源上,为使其正常发光,应串联一个阻值为______Ω的定值电阻.
I am sure our volleyball team will______the team from No. Middle School.
A.win
B.fail
C.lose
D.beat