铁路旅客运输合同从（ ）后成立，至按票面规定运输结束旅客出站时止为合同履行完毕。
A、检票进站D
暂无解析
Advertisements are aimed at people suffering from mild complaints because________.
翻译：
By making vehicles lighter in weight aluminum has greatly reduced the amount of fuel needed to move them, (Passage Two)
The physicists propose that our attention____the use of special methods of thinking and acting.
Part IV Translation
As the source of aluminum is almost inexhaustible, we can expect that more and more uses will be found for this versatile metal. (Passage Two)
U.S. News ____________ rankings of colleges since 1983. They are a very popular resource for students looking to apply to university campus.
