— Tom, look at those two girls!
—Oh, they look_________ because they are twin sisters.
A:different
B:special
C:similar
①执行的是流通手段职能
②是现实中的货币
③执行的是价值尺度职能
④可以是观念上的货币
—How was your climbing Mount. Huang?
—I didn't believe I could do it ___________ I got to the top.
下列关于沧海桑田变迁的叙述错误的是( )