Utopia is the work of ______
A. Spenser
B. Donne
C. Blake
D. More
The author suggests that implementing manufacturing competitiveness is a strategy that is ______.
A. flawed and ruinous
B. shortsighted and difficult to sustain
C. popular and easily accomplished
D. useful but inadequate
防治住宅工程附墙烟道堵塞、串烟时，推广采用( )提芯工具的施工方法，既可防止杂物落人烟道内造成堵塞，又可使烟道内壁砂浆光滑、密实，对防止串烟有利。
A. 箱式
B. 柱式
C. 桶式
D. 板式
患者女性，43岁，偶有心悸，气短，查体心尖内侧可闻及开瓣音，该患者是
A. 二尖瓣狭窄，瓣膜弹性及活动良好
B. 二尖瓣狭窄伴关闭不全
C. 二尖瓣狭窄分离术的禁忌证
D. 二尖瓣狭窄，瓣膜钙化
E. 二尖瓣狭窄，瓣膜粘连
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