肝脏的含液性病变在声像图上表现为:Ⅰ-边界清晰Ⅱ-内部呈无回声或有细弱光点Ⅲ-其后壁和后方回声呈增强效应()
A.Ⅰ,Ⅱ
B.Ⅱ
C.Ⅰ,Ⅲ
D.Ⅰ
E.Ⅰ,Ⅱ,Ⅲ
参考答案:E
内螺纹成型机V型盘设计最大拉伸速度为()
A.75m/min
B.80m/min
C.90m/min
D.100m/min
The manager discussed the plan that they would like to see ______ the next year.
A.carry out
B.carrying out
C.carried out
D.to carry out