对高层建筑物，其地基变形验算应以哪种变形特征做控制（）
A、沉降量
B、局部倾斜
C、沉降差
D、倾斜
参考答案：D
The hunter insisted that he _____ a tiger and that a searching team ______ to hunt for it.
A. has seen; be set up
B. had seen; be set up
C. saw; would be set up
D. should see; should be set up
下列哪些因素与通气机相关性肺炎的发生有关（）
A.气管内插管
B.患有糖尿病
C.营养不良
D.保持气管内插管套囊膨胀
E.雾化治疗
