绩效考核在人力资源管理中的作用包括（） A.是员工职业生涯规划的依据 B.是人员配置

装运长钢轨时，人员应距轨端（）以上，并禁止在长轨上行走。

A、2米

B、3米

C、4米

有人对投资人的概念比较模糊，故前来窗口咨询，则下列关于各种企业类型投资人的表述中，正确的有（）。

A.有限责任公司：投资人人数必须50个以下，并且2个以上

B.一人有限责任公司的投资人只能是自然人股东，不可以是法人股东

C.一个自然人投资设立一个一人有限公司后，该自然人还可以投资设立新的一人有限公司

D.一个自然人投资设立一个一人有限公司后，该自然人还可以跟原一人有限公司投资设立新的有限公司

E.股份有限公司：发起人应当有5人以上500人以下，发起人种类与有限责任公司股东相同，其中须有半数以上的发起人在中国境内有住所

F.事业单位法人只能开办企业法人，不能开办非法人分支机构，但事业单位所开办的企业法人可以再投资

G.个人独资企业投资人为一个自然人，该自然人可以是中国永久性居民，也可以是港、澳、台、外国人

CT示：眶外上象限圆形肿瘤，边界清楚，周围有一高密度环，诊断为（）

A．淋巴管瘤

B．皮样囊肿

C．海绵状血管瘤

D．脉络膜骨瘤

E．以上均可出现

Louis Armp had two famous nicknames. Some people called him Bagamo. They said his mouth looked like a large bag. Musicians often called him Pops, as a sign of respect for his influence on the world of music.
Born in 1901 in New Orleans, he grew up poor, but lived among great musicians. Jazz had been invented in the city a few years before his birth. Armp often said, "Jazz and I grew up together. "
Armp showed a great talent for music when he was taught to play the comet at a boy’s home. In his late teens, Armp began to live the life of a musician. He played in parades, clubs, and on the steamboats that traveled on the Mississippi River. At that time, New Orleans was famous for the new music of jazz and was home to many great musicians. Armp learned from the older musicians and soon became respected as their equal.
In 1922 he went to Chicago. There, the tale of Louis Armp began. From then until the end of his life, -Armp was celebrated and loved wherever he went. Armp had no equal when it came to playing the American popular song.
His cornet playing had a deep humanity and warmth that caused many listeners to say, "Listening to Pops just makes you feel good all over. " He was the father of the jazz style and also one of the best known and most admired people in the world. His death, on July 6th 1971, was headline news around the world.

Which statement about Armp is true

A．His tale began in New Orleans.

B．He had been born before jazz was invented.

C．His music was popular with his listeners.

D．He learned popular music at a boy’s hom

发电机机场的作用是什么？