()是由企业员工拥有本企业产权的一种股份制形式,起源于美国。
A.员工购买企业股份
B.员工持企业股
C.员工持股制度
D.员工有效股
参考答案:C
The Voice of China has set up a big stage for young people with a talent for music, ________ some of them have stood out among others.
A.which
B.when
C.who
D.where
某人原有慢性阻塞性肺疾病,呼吸困难、发绀,近日咳嗽加剧,突然发生右侧胸痛,约30分钟后呼吸困难突然加剧,患侧胸壁叩呈鼓音,听诊呼吸音消失。该变化是
A.自发性气胸
B.肋间神经痛
C.膈下脓肿
D.腹水
E.肋骨骨折