列车上应通过图形标志、电子显示和()形式对旅客进行禁烟、严禁携带危险品消防宣传
A.广播宣传
B.车站宣传
C.电视宣传
D.杂志宣传
参考答案:A
—I’d rather go to the Blue Lagoon Restaurant because I prefer soft music while eating.
—___________ Loud music makes me tense.
A.No way.
B.Why not?
C.At your service.
D.Me too!
石油中芳烃和氮硫氧化合物含量为38%,环烷烃含量为25%,该石油属于哪类石油?()
A.石蜡型;
B.环烷型;
C.芳香—中间型;
D.石蜡—环烷型。