为矫正子宫后倾及胎位不正可采用的体位是
A．半坐卧位B．俯卧位C．端坐位D．膝胸位E．头高脚低位
参考答案：D
--- Roy and Samantha got married last week. Did you go to their wedding?
--- No, I ________ an important meeting in another city.
A．attended
B．have attended
C．had attended
D．was attending
( )有韧性、可塑性强、表面纹理逼真、手感好的特点。
A．纤维
B．塑料
C．金属材料
D．复合材料
