曲线插值

Without facts, we can’t form a correct opinion, for we need to have actual knowledge _______ our thinking.

A．which to be based on

B．which to base on

C．on which to base

D．which to base

花卉在绿地的主要应用形式有哪些？

当Applet小程序窗口需要重画时，将调用下列哪个方法

A．Hello

B．hello

C．Hel

D．null

传热的方式有（）种。

A.一

B.两

C.三

D.四