已知全集U={0,1,2,3,4},集合A={1,2,3},B={2,4},则(∁UA)∪B为( )
A:1,2,4
B:2,3,4
C:0,2,3,4
D:0,2,4
如图为不同人口增长方式示意图,下列说法正确的是( )
You never feel worried before an exam, how can you? Well, I've been working hard all the time. Surely I am _________ any exam.
—Sure. I'm confident about ____.
下图中所列仪器用于测量时间的是( )