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：______
______．
