下列各项均为胆囊肿大的体征，但哪一项除外
A．右上腹压痛
B．犁形或圆形肿物
C．随呼吸移动
D．自左向右蠕动
E．囊性感
参考答案：D
—Tommy, _________ do you play the piano?
—When my mom is at home, I have to every day, but she’s away this week!
A．how about
B．how long
C．how much
D．how often
经过兽医卫生检验，肉品质量分为良质肉、______和废弃肉。
