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【单选题】
表示金属材料延伸率的标准符号是( )。A.
L
B.
δ
C.
A
D.
ζ
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【简答题】什么是主动土压力、被动土压力和静止土压力?三者的关系是什么?
【简答题】I crossed the street to _________ meeting him, but he saw me and came running towards me. 我横穿马路以便避开他,但他看到了我并朝我跑过来。
【简答题】“今天春节”是____结构类型的短语。
【单选题】I crossed the street to____ meeting one of my former classmates, but he saw me and came running towards me. A. avoid B. create C. make D. reflect
A.
avoid
B.
create
C.
make
D.
reflect
【单选题】What does the man mean?
A.
He didn't go to the party.
B.
He didn't enjoy the party.
C.
He was very late for the party.
【单选题】当保护对象为可燃气体和甲、乙、丙类液体储罐时，水雾喷头宜布置在保护对象周围，与保护储罐外壁之间的距离不应大于（）m。
A.
0.4
B.
0.5
C.
0.6
D.
0.7
【简答题】什么是主动土压力、被动土压力和静止土压力?三者的关系是什么?
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