A. foot B. room C. book
答案:B
题目分析:foot book发短元音,room发长元音。故选B。
As _____ beautiful movie about pain, struggle, hope and love, Slumgod Millionaire swept the ceremony
with eight awards, including _____ prize for best pictures. [ ]
A. a; the
B. a; a
C. the; a
D. the; the
用2份95%的酒精溶液和l份水混合,再浸入手帕一块.取出,点燃手帕上的酒精,用镊子夹起燃烧的手帕,当手帕上的火焰即将熄灭时,将手帕迅速摇动几下,火熄灭,手帕却完好无损.请解释手帕完好无损的原因:______
______.