Could you make her _____ the TV? It's to

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问题选择题

Could you make her _____ the TV? It's too noisy. [ ]

A. turn on

B. turn up

C. turn down

答案

答案：C

填空题

如图是电阻R_A和R_B两端电压与电流的U-I图象．如果将R_A和R_B串联起来，它们两端电压之比为______；如果将R_A和R_B并联起来，通过它们的电流之比为______．

填空题

Read x

If 9<x AND x<100 Then

a=x＼10

b="x" MOD 10

x="10※b+a "

Print x

End If

End

(注：“＼”是x除10的商，“MoD”是x 除10的余数)上述程序输出x的含义是__________