Not only Jane but also Kate _____ been to Tibet.
A:have
B:has
C:is
Don't worry. I'll ____ (think about, think of) a way.
下列各句表述有误的一项是 ( )
在我国动植物种类多样,能够实现多种经营,导致这一现象的根本因素是:( )
如图是a、b两种固体物质的溶解度曲线.从图中可获得的信息是( )