根据Ekman的理论,基本情绪分为:快乐、悲伤、愤怒、恐惧、惊讶这五种。
参考答案:错
已知直线x-y-1=0与抛物线y=ax2相切,则a=( )。
----Silly me ! I forgot what my luggage looks like.
----What do you think of _____ over there?
A.the one
B.this
C.it
D.that