与喉上动脉伴行穿过甲状舌骨膜的神经是A．喉返神经 B．喉上神经内支 C．喉上神经外支

如图所示，将同一个物体分别沿AB和AC两个光滑斜面匀速拉到顶端。两次的拉力分别为F₁和F₂，两次做的功分别为W₁和W₂，则F₁______F₂, W₁______W₂。(两空都选填“>”、“<”或“=”)

因为股东大会是公司的权力机关，因此股东能够完全控制股份公司的经营决策。

鼻咽拭子的除菌处理是：加抗生素终浓度为20000U／ml。4℃作用（）。

A.20分钟

B.40分钟

C.2小时

D.4小时

E.1天

下列不是急性酒精中毒表现的是（）

A.冲动行为

B.判断力及社交功能受损

C.共济失调

D.酒精性震颤谵妄

E.Korsakoff综合征

(56) is a one-way function that takes an arbitrarily long piece of plaintext and from it computes a fixed-length bit string.

(57) is a protocol that most USENET machines now use it to allow news articles to propagate from one machine to another over a reliable connection.

(58) is an approach preferred by cable TV providers. In this solution the fiber terminates at an opto-electrical converter and the final segment is a shared coaxial cable.

(59) is a device used to connect two separate network that use different communication protocol.

(60) is a digital-to-digital polar encoding method in which the signal level is always either positive or negative.

（56）是（）

A.MD

B.RSA

C.DES

D.MIB