无菌性坏死，放射治疗时高热，见于（）及（）病例。
参考答案：肿瘤坏死；广泛转移
Usually there might be a lot of accidents in the heavy fog. I happened to witness ______ this morning. [ ]
A. it
B. those
C. one
D. that
甲因无足够的现金交住院费，将手表交给医院，约定明天带现金来，将手表取回。医院依据( )取得手表的占有。
A．抵押权 B．质押权 C．留置权 D．债权
