【单选题】Why are the photographs mentioned referred to as an 'experiment'?
A.
The photographs were not very clear.
B.
The purpose of the photographs was to explain the process.
C.
The photographer used inferior equipment.
D.
The photographer thought the cat might be injure
【单选题】箱形龙骨的一般特点有:1一般设置于机舱舱壁与防撞舱壁之间;2不能代替中桁材所起的作用;3可用于集中布置各种管路和电气线路;4需占用一部分双层底舱容;5其宽度不超过2m
【单选题】箱形龙骨的一般特点有( ) I、一般设置于机舱舱壁与防撞舱壁之间;II、不能代替中桁材所起的作用;III、可用于集中布置各种管路和电气线路;IV、需占用一部分双层底舱容;V、其宽度不超过2m
【简答题】轿车车身一般由用于安置发动机 ( 行李 ) 的前舱、用于乘载驾驶员和乘客的中舱、用于安置行李 ( 发动机 ) 的后舱三部分组成,即为 轿车。
【单选题】No photographs ______ .
A.
I have no photographs.
B.
You are not allowed to take pictures here.
C.
Photographs cannot be sold here.