可能造成胃穿孔的抗酸药是
A.利血平B.氧化镁C.碳酸氢钠D.青霉素E.红霉素
参考答案:C
The teacher spoke loudly _____ everyone could hear him. [ ]
A. so to
B. so that
C. so as to
D. in order to
近视眼是指( )
A.眼球前后径过长,或晶状体曲度过小,成像于视网膜前,看不清远处物体
B.眼球前后径过长,或晶状体曲度过大,成像于视网膜前,看不清远处物体
C.眼球前后径过短,或晶状体的弹性小,成像于视网膜后,看不清远处物体
D.眼球前后径过短而晶状体曲度又大,成像于视网膜后,看不清近处物体