Directions: Translate the following sentences into English.
医生挨家挨户上门巡访。省去了许多老年人去医院的麻烦。

单项选择题Why does the author say we are deprived of the use of our eyes ()

A．People won’t use their eyes.
B．In traveling at high speed, eyes become useless.
C．People can’t see anything on their way of travel.
D．People want to sleep during travelling.

单项选择题The author’s father wrote notes in pen().

A．to both his family and his staff
B．to his family in small letters
C．to his family on the fridge
D．to his staff on the desk

问答题无论风多大，雨多急，警察一直坚守在岗位上。

单项选择题5().

A．most interesting
B．dullest
C．most difficult
D．easiest

问答题无论如何，她算不上一位思维敏捷的学生。