第16题:[多选题]关于地震灾害建筑倒塌救援行动,下面描述正确的是( )。 A. 不应进入建筑结构已经明显松动的建筑内部 B. 不得登上已受力不均衡的阳台、楼板、屋顶等部位 C. 不准冒险进入非稳固支撑的建筑废墟下面 D. 初期救援不得动用起重机吊移建筑构件 参考答案:ABCD
第17题: [单项选择]"It seems that she was there at the conference." The sentence means that______. A. she seems to be there at the conference. B. she seemed to be there at the conference. C. she seems to have been there at the conference. D. she seemed to being there at the conference. 参考答案:C 答案解析:句式变换题。seem是内心活动的用语,含有心中所想象的意思在内。seem后接动词不定式,也常用n seems that结构。即将简单句变为复合句,它们之间具有同义可换性。本题的It seems tha