把幻灯片放在教学用的投影仪上，如果要使屏幕上得到更大的清晰的像，如图所示，应使投

After ten hours’ drive, we came to ______ is called a green house, through the glass wall of _____, we saw lots of green plants.

A．where, which

B．that, that

C．what, which

D．where, that

一些以儿童发病为主的传染病，其患者的年龄分布集中位置偏向年龄较小的一侧，这种分布形态称为（）

A.正态分布

B.正偏峰分布

C.负偏峰分布

D.t分布

E.对称分布

下列程序运行后，单击命令按钮，窗体显示的结果为( )。
Private Function pl(x As Integer,y As Integer,z As Integer)
pl=2*x+y+3*z
End Function
Private Function p2(X As Integer,y As Integer,z As Integer)
p2=p1(z,y,x)+x
End Function
Private Sub Commandl_Click()
Dim a As Integer
Dim b As Integer
Dim c As Integer
a=2:b=3:c=4
Print p2(c,b,a)
End Sub

A．23

B．19

C．21

D．22

纤维肌痛的鉴别诊断不包括（）

A.甲状腺功能低下

B.风湿性多发性肌痛

C.肘肌腱炎

D.强直性脊椎炎

E.多发性神经炎

什么是真理的绝对性？