要制定出真确的灭火方案,搞好火情侦查是必不可少的条件之一.
参考答案:对
27. --Why do you have a _______ look?
--Because you almost _______ me out of life by your _______ mask.
A.frightening; frightened; frightening
B.frightened; frightening; frightened
C.frightening; frightening; frightened
D.frightened; frightened; frightening