A.floors in the adjacent buildings remain undamaged
B.some floor framing systems demonstrate resistance to explosion
C.simple floor framing systems are more blast resistant
D.floors in one of the adjacent buildings were pierced by tons of debris
A.was part of the building close to the World Trade Center
B.was part of the World Trade Center
C.was shot through the window and the floor of the World Trade Center
D.damaged many buildings in the vicinity of the World Trade Center
开始考试点击查看答案A.was first proposed by some engineers at UB
B.took about two days to complete
C.was to investigate the damage caused by the terrorist attack
D.was to find out why some buildings could survive the blasts
开始考试点击查看答案A.that was asked by structural engineers a month ago
B.that is too difficult for structural engineers to answer even now
C.that was never thought of before the terrorist attack
D.that terrorists are eager to find a solution to
开始考试点击查看答案A."thought".
B."rated".
C."regarded".
D."believed".
开始考试点击查看答案A.He runs.
B.He invented the clockwork radio.
C.He was once an entertainer.
D.He runs a company.
开始考试点击查看答案A.blast engineers should develop new solutions for terror resistant design
B.blast engineering can borrow technologies developed for terror-resistant design
C.solutions developed for earthquake resistant design may apply to terrorist resistant design
D.blast engineering emerges as a new branch of scienceh had been boring hanging about the hotel all afternoon. The road crew were playing a game with dollar notes. Folding them into small planes to see whose would fly the furthest. Having nothing betterto do, I joined in and won fiv
E.and tben took the opport unity to escape with my profit, Despite the evil
开始考试点击查看答案A.To enjoy the good weather.
B.To have a change of scene.
C.To spend all his winnings.
D.To get away from the crew.
开始考试点击查看答案A.The lack of a sign or name.
B.The fact that it was nearby.
C.The empty window display.
D.The light coming from insid
开始考试点击查看答案A.of top quality
B.of good value
C.difficult to get at
D.badly displayed
开始考试点击查看答案A.It made him feel self-conscious.
B.She was happy to stare at him.
C.She seemed to know him well.
D.It made him want to look away.
开始考试点击查看答案注册安全工程师注册安全工程师安全生产技术2013年注册安全工
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年注册安全工
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2013年安全工程师
类别:建筑类其它注册安全工程师注册安全工程师安全生产技术2012年注册安全工
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