为评价胆囊生理功能而进行的声像图检查需要有()①脂餐②缩胆素③胆影钠
A．①②③
B．②③
C．③
D．①②
E．①③
参考答案：D
Please tell your parents _____ come to the school. We've put off the meeting.[ ]
A. don't
B. not to
C. to not
D. not
上颌动脉供血的器官有（）
A.上颌骨
B.下颌骨
C.舌
D.咀嚼肌
E.表情肌
