病侧呼吸活动度减弱伴叩诊为鼓音，呼吸音消失者，见于（）
A.肺实变
B.肺气肿
C.肺不张
D.气胸
E.支气管哮喘
参考答案：D
当你想说今天是国庆节，应说：[ ]
A. Today is National Day.
B. Today is Teachers' Day
C. Today is Internatiorial Workers' Day.
下列程序段的执行结果为 ______。 Dim m(3，3)As Integer Dim i As Integer Dim j As Integer Dim K As Integer For i=1 To 3m(i,i)=i Next For i=0 To 3For j=0 To 3 x=x+m(i，j)Next Next Print x
A．3
B．4
C．5
D．6
