按建筑物承重结构体系分类的有()。
A.排架结构
B.钢结构
C.筒体结构
D.剪力墙结构
E.木结构
参考答案:A, C, D
解析:钢结构是按建筑物主要承重构件材料分类的。
一个5岁的儿童,答对了50道题,且又作对了6岁的10道题,那么她的智商是()
A、100.0
B、105.0
C、110.0
D、120.0
If you must land on a beach with an oar-propelled lifeboat through a heavy surf,the recommended method is to().
A.keep the bow directly in toward the beach,and tow the sea anchor off the stern
B.ride in on the back of a large breaker
C.keep the bow into the seas with the sea anchor out over the bow,and row to meet the breaking waves
D.head directly into the beach by staying between the crests of the waves