You want to use the Web to let Eternal users or your customers look at corporate information. But you want to keep installation at the user end (66) and you don’t want just anyone to get (67) your databases.

That may be where an application server enters the picture. For more user machine independent, these t software packages, typically written in the (68) programming language.

for use on Windows NT-based systems, act as go-betweens linking browser-equipped end users to the databases that (69) the information they need to (70) 。

（67）处填（）。

A．into

B．off

C．onto

D．out

晚期尿毒症病人肾脏内出现囊肿病变的原因是（）

A.先天性

B.代谢性

C.感染性

D.中毒性

E.缺血及营养不良