若管道腐蚀程度严重,应尽快降压和维修,则管体腐蚀损伤评定类别为()。
A.2
B.3
C.4
D.5
参考答案:C
— What’s the matter with you?
—______the heavy suitcase, my waist was hurt unexpectedly.
A.Carrying
B.Carried
C.While carrying
D.While I was carrying
下面对漫画认识正确的有 [ ]
A.应该抛弃传统文化,学习外国文化
B.世界文化丰富多彩,这样做不利于学习外来文化
C.各国文化之间有优劣之分,中国传统文化最好
D.把传统节日列入法定节假日有利于弘扬民族传统文化