肺纤维引起的是（）
A.肝浊音界上移
B.肝浊音界下移
C.肝浊音界消失
D.肝浊音界扩大
E.肝浊音界缩小
参考答案：A
Please remind me ______ he said he was going. I may be in time to see him off.
A．when
B．where
C．how
D．what
新年到了，4名同学通过电话互相拜年，如果每两人通一次电话，需通多少次？
