公共汽车从车站由静止以1 m/s2的加速度匀加速开出,司机发现有乘客未上车,急忙

     阅读下面短文，根据以下提示：1）汉语提示;2）首字母提示;3）语境提示，在每个空格内填

入一个适当的英语单词，并将该词完整地写在下边相对应的横线上。所填单词要求意义准确，拼

写正确。

     Mr. Johnson was very timid (胆小的). He had   1   been up in a plane before and he had read a lot about air 

  2   (撞毁), so one day when a friend o   3   to take him for a ride in his own small plane, Mr. Johnson was

very worried about the accepting. F   4   , however, his friend p   5   him that it was very safe, and Mr. John

son boarded the plane. His friend started the engine and began to taxi onto the runway of the   6  . Mr. Johnson

had heard that the most d   7   part of a flight was the take-off and the   8   (着陆), so he was extremely

frightened and closed his eyes. After a minute or two he   9   them again, looked out of the window of the

plane, and said to his friend," Look at those people down there. They  10  as small as ants, don't they?" "Those

are ants," answered his friend."We're still on the ground."

按油罐的不同结构形式划分，拱顶储罐应属于（）。

A．固定顶储罐

B．自支承伞形储罐

C．无力矩顶储罐

D．内浮顶储罐

No matter how hard you try, you can find no parallel existing between them.

A．analogy

B．angel

C．ambition

D．antique

长期摄入“三高”膳食容易引发慢性非传染病，“三高”膳食是指（）

A、高热能、高纤维素、高糖

B、高热能、高脂肪、高蛋白质

C、高脂肪、高盐、高糖

D、高蛋白、高糖、高盐

《中华人民共和国民法通则》第92条规定：“没有合法根据，取得不当利益，造成他人损失的，应当将取得的不当利益返还受损失的人。”

试运用民法原理分析该条法律规定。（要求回答条文所规定制度的概念、构成要件、法律效力）