11.The food is insufficient for three people.
A.scarce
B.short
C.marginal
D.inadequate
12.Most of the butterflies perish in the first frosts of autumn.
A.die
B.disappear
C.migrate
D.vanish
參考答案:11.D 12. A
A.scarce
B.short
C.marginal
D.inadequate
12.Most of the butterflies perish in the first frosts of autumn.
A.die
B.disappear
C.migrate
D.vanish
參考答案:11.D 12. A