右室明显肥大可出现( )
A．抬举样心尖搏动B．负性心尖搏动C．心尖搏动消失D．心尖搏动位于右锁骨中线第5肋间处E．弥散样心尖搏动
参考答案：B
—Would you mind if I turned on the radio and listened to some music?
—_________. In fact, I also like listening to music.
A．Yes, I would
B．No, you can’t
C．No, go ahead
D．Ok, no problem
确定材料消耗定额的方法有( )。
A．利用现场技术测定法
B．根据经验推测法
C．实验室试验法
D．现场统计法
E．理论计算法
