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【单选题】
某墙背倾角 α 为 10° 的仰斜挡土墙,若墙背与土的摩擦角 δ 为 10° ,则主动土压力合力与水平面的夹角为A.
0
B.
100
C.
200
D.
300
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【简答题】Feeling exhausted and hopeless, I began walking to my car. Every step seemed tiring, and every step was another to survive. As I looked up into the sky I thought about how my grandmother had left me, ...
【单选题】运行下列程序： Private Sub Form_Click( ) For i = 3 To 1 Step -1 For j = 2 To 1 Step -1 Debug.Print "A"; String(3 - i, "*"); Next j Next i End Sub 单击窗体后，则在立即窗口内显示结果是( )。
A.
AAA*A**A***
B.
AAA*A*A**A**
C.
A*A*A*A*A*A*
D.
A***
【简答题】保密资格审查包括____审查和____审查。
【单选题】Hardly ________ the plane when I was warmly welcomed by a text from the lovable Mikey．
A.
did I step off
B.
I stepped off
C.
had I stepped off
D.
I had stepped off
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