生理盲点扩大不应见于（）
A.球后视神经炎
B.视神经 * * 炎
C.变性近视
D.视 * * 缺损
E.视 * * 有髓神经纤维
参考答案：A
下列不是分支结构的语句是( )。
A．If…Then…Endlf
B．While…Wend
C．If…Then…E1se…EndIf
D．SeIect…Case…End Select
The dew point temperature is（）.
A.always higher than the air temperature
B.always lower than the air temperature
C.equal to the difference between the wet and dry bulb temperatures
D.the temperature at which the air is saturated with water vapor
