A professor of economic and history at Atl

除外特殊类型天疱疮外，天疱疮一般可分为（）

A.寻常型、落叶型、增殖型、红斑型4型

B.寻常型、落叶型2型

C.寻常型、落叶型、增殖型3型

D.寻常型、落叶型、红斑型3型

E.落叶型、增殖型、红斑型3型

分泌睾酮的细胞主要是（）

A.皋丸生精细胞

B.睾丸支持细胞

C.睾丸间质细胞

D.曲细精管上皮细胞

E.精原细胞

配制10000ml3%盐酸普鲁卡因溶液，需加入多少克氯化钠使其成等渗(1%盐酸普鲁卡因水溶液的冰点下降度为0.12，1%的氯化钠水溶液的冰点下降度为0.58)

A．0.276g

B．68.97g

C．2.76g

D．27.6g

E．0.69g

An internet is a combination of networks connected by (1).When a datagram goes from a source to a(2)，it will probably pass many (3)until it reaches the router attached to the destination network. A router receives a (4)from a network and passes it to another network. A router is usually attached to several networks. When it receives a packet, to which network should it pass the packet? The decision is based on optimization: Which of the available (5)is the optimum pathway?

空白（5）处应选择（）

A.pathways

B.routers

C.diagrams

D.calls

《吴刚伐桂》中吴刚是一个怎么样的人？（）

A、做事认真的人

B、勤奋好学的人

C、非常没有耐性的人

D、谦虚谨慎的人