正常情况下肠鸣音每分钟应为多少次（）
A.4~5次
B.6～7次
C.2~3次
D.小于2次
E.8～9次
参考答案：A
The murderer, who was _____ to death by the judge last week, was only 20 years old.
A．made
B．caused
C．killed
D．sentenced
用面砖做灰饼，找出墙面、柱面、门窗套等横竖标准，阳角处要双面排直，灰饼间距为1.8m。
