不属于咀嚼肌的是
A．咬肌B．翼内肌C．翼外肌D．颞肌E．颊肌
参考答案：E
He was generous with his time, ______ I was grateful..
A．for which
B．at which
C．with which
D．with which
有甜味的化合物是
A．人参皂苷Rd
B．薯蓣皂苷
C．甘草皂苷
D．柴胡皂苷
E．洋地黄毒苷
