【判断题】达盖尔拍摄于1837年的静物,是现存的达盖尔用镀银铜板拍摄成功的第一张照片,标志着摄影术的诞生。
【单选题】框架结构中由梁、柱弯曲变形引起的侧移, 呈整体剪切型变形, 层间侧移( )。
【单选题】In the sunny morning, some English people usually take a raincoat or an umbrella with them because ______.
A.
their friends ask them to do so
B.
it often rains in England
C.
they are going to sell them
【单选题】In the sunny morning some English people usually take a raincoat or an umbrella with them because ________.
A.
their friends ask them to do so
B.
it often rains in England
C.
they are going to sell them
D.
they are their favourite things
【单选题】We all had fun in the supermarket a sunny morning.
【简答题】When you go to England, you will see that some English people usually take an umbrella(伞) or a raincoat (雨衣) with them in the sunny morning.
【单选题】When you go to England, you will see that some English people usually take an umbrellaĩೢĪor a raincoat with them in the sunny morning, but you should not ______ at them.
【单选题】框架结构中由梁、柱弯曲变形引起的侧移,呈整体剪切型变形,层间侧移( )。
【简答题】总体剪切侧移是由梁、柱 变形所导致的框架侧移A. 弯曲