重症肌无力受累肌肉组可见于
A．颈肌
B．延髓肌
C．眼外肌
D．咀嚼肌
E．面肌
参考答案：A,B,C,D,E
道路客运服务的"三优"是指优质服务、优美环境和()。
A.优秀品牌
B.优良秩序
C.优化组合
D.优异绩效
Many women work in big companies，but in the boardrooms of most big companies, women are in the _______.
A．scarcity
B．minority
C．majority
D．popularity
