在空气中以气态存在的物质是
A.铅
B.一氧化碳
C.铬
D.乙醇
E.香烟
参考答案:B
I ________ tell you what happened to me face to face.[ ]
A. would rather to
B. would prefer to
C. had not better
D. would like
2004年7月1日起,东北地区工业企业的所有固定资产,可在现行规定折旧年限的基础上,按不高于40%的比例缩短折旧年限。( )