找出与所列单词意义相反的单词.
1 vulgar
a.ugly
b.single
c.elegant
d.swift

2 cowardice
a.well-being
b.courage
c.scarcity
d.grief

3 permit
a.discourage
b.lower
c.reserve
d.forbit

4 combine
a.split
b.scare
c.consolidate
d.prohibit

5 stern
a.abundant
b.mild
c.severe
d.thorough

答案: c b d a b