年过70岁老年人,胃切除术后l一3天,输液量过大,点滴速度过快,易发生()
A.切口感染
B.切口裂开
C.肺不张或肺内感染
D.急性肺水肿
E.深静脉血栓形成
参考答案:D
He bought some books in the bookstore and his father________ him a lot of money.
A.gives
B.will give
C.ought to give
D.must have done
按ZBJ04005-87标准,对分散状缺陷显示迹痕的等级分类按()个等级分类
A、3
B、5
C、7
D、10