问题

e another wonderful discovery, _______ of greatimportance to science.

A:accessible
B:convenient
C:available
D:I think which is

正确答案是：

同类题型

That __________ a good idea.

下列各句中，所引诗句最符合语境的一项是

Who taught herFrench—! She learned it by herself.

Obey the traffic rules and protect yourself . ______ is more important than your life—OK, I will.

It was very difficult to ______ the excited football fans.[ ]