腕关节尺侧旁穿刺时应取位置是()。
A.腕关节轻度掌屈
B.腕关节极度掌屈
C.桡侧倾斜位
D.尺侧倾斜位
E.腕关节背伸
参考答案:A, C
下列关于“化学与生活”的认识错误的是
A.用汽油除去衣服上的油污
B.过多摄入微量元素不利于健康
C.生活中一水多用,以节约水资源
D.分类回收垃圾,并露天焚烧
From the ___ expression on her face, we knew that the problem was ____.
A.puzzling….puzzling
B.puzzled…puzzled
C.puzzling..puzzled
D.puzzled..puzzling