_______ him and then try to copy what he does.
A:Mind
B:Notice
C:See
D:Watch
富饶____(ráo láo) 瑰____丽(guī kuí)
人参____(cān shēn) 参____加(cān shēn)
(2015•菏泽)水与我们的生活息息相关,下列有关水的物理量间的关系图线中,正确的是( )