不必做缓冲的部位是
A．上颌结节颊侧B．下颌隆突C．内斜线D．上颌硬区E．下颌舌侧翼缘区
参考答案：E
---Are you happy about your present job?
--- Why shouldn’t I ? I _____ as much , and I enjoy more.
A．am earning
B．earn
C．earned
D．have earned
印花机织物正方形围巾(边长60cm，按重量棉花，涤纶短纤维各50%)
