找出与斜体单词意义相反的单词.

1 merciful
a.stiff
b.incidental
d.cruel
d.motionless

2 foreign
a.dangerous
b.strange
d.federal
d.domestic

3 rotten
a.fresh
b.queer
c.neat
d.mild

4 hire
a.quit
b.fire
c.scatter
d.continue

5 withdrawal
a.advance
b.possess
c.exhaust
d.leap
 
答案：d d a b a