31、职业道德不仅是从业人员在职业活动中的行为( ),而且是本行业对社会所承担的道德责任和义务。

85、The article that can burn easily is radioactive article.

86、Security check usually consist of passport control, personal search and baggage search.

86、Airport fee is airport administrate and construct fee.

86、FM475 is the flight number of China Eastern Airlines.

87、Chewing gum cannot be taken on the plane.

87、CA933 is flight number.

86、Milk is a kind of aerated beverage.

87、Flight delays are often caused by the glaring sunlight.

87、Screwdriver can be taken on the plane as checked baggage.

86、The manual search is only made on handicapped passengers.