梗阻性肥厚型心肌病,胸骨左缘第3、4肋间收缩期喷射性杂音,其强度的改变,下列哪项正确
A.含硝酸甘油减弱
B.运动时减弱
C.屏气减弱
D.下蹲减弱
E.用心得安增强
参考答案:D
—Have you seen my new pen? I am __________ it.
—I found one just now and I gave it to the teacher.[ ]
A. looking for
B. looking up
C. looking after
D. looking at
洗胃时选择何种体位
A.坐位B.半坐位C.左侧卧位D.右侧卧位E.端坐位