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1 moldm 3 HAc K - 1 . 0 x 1 0 - 5 ) 溶液的pH值等于 ( ) .

单选题
2021-09-02 13:37
A、2
B、3
C、11
D、12
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正确答案
B

试题解析

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设a=5,b=4,c=3,d=2,下列表达式的值是 3>2*b Or a=c And b<>C Or c>d
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已知AX=0BBCCH,CF=1,以下三条指令执行后,AX中内容是:()
OR AX,3
CLC
RCL AX,1

下列程序段运行后窗体上输出结果为( )。 Private Sub Command1_Click() a=5: b=4: c=3: d=2 x=3>2*b Or a=c And b<>c Or c>d Print x End Sub
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