下列变化可证明分子可再分的事实是（　　）

A．海水蒸馏得到淡化

B．用过滤的方法净化水

C．干冰升华

D．塑料降解

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