观察“虚里”变化，以了解其盛衰的是（）。
A.元气
B.宗气
C.营气
D.卫气
E.脏腑之气
参考答案：B
补全对话
A: You 1 tired.
B: Yes，I am. I 2 a really busy weekend.
A: Did you play 3 games？
B: Yes, I 4 . On Saturday morning, I 5 soccer on my computer. Then I watched a football
game.
A: Where did you 6 it？
B: 7 TV.
A: Great! And what did you do on Saturday night？
B: =I 8 to the music until midnight.
A: It 9 fun.
B: Yes，but 10 tired.
在窗体上画—个命令按钮，其名称为Command1，然后编写如下代码：Option Base 1Private Sub Command1_ Click() Dim a a=Array(1,2,3,4) j=1 For i=,4 To 1 Step-1s=s+ a(i)*jj=j*10 Next i Print sEnd Sub程序运行后，单击命令按钮，其输出结果是______。
A．4321
B．1234
C．34
D．12
