括号里应该填什么字？ 一（ ）骆驼 一（ ）牙齿 一（ ）米 一（ ）老人

(100) whether to go with a shared or switched fast LAN technology once you start to max out your shared Ethernet of token-ring LAN is tough call. Users and analysts involved in (101) high-speed LANs have learned the benefits of each. However, there are trade-offs to each, and (102) which fast LAN technology to choose is critical for (103) network performance problems and (104) costly purchasing mistakes.

104（）

A.avoiding

B.clipping

C.choosing

D.deciding

E.dissolving

F.ensuring

G.evolving

H.implementing

I.Knowing

J.solving

(理)已知无穷等比数列中的每一项都等于它后面所有各项的和，则公比q=_______________

牙菌斑形成的基础是（）

A.获得性膜的形成

B.细菌的传递

C.细菌在牙面的初期附着

D.细菌黏附于牙面

E.细菌在牙面共聚

善治乳痈，人称"乳痈良药，通淋妙品"的药物是（）

A.蚤休

B.连翘

C.夏枯草

D.蒲公英

E.金银花

变压器（高压电抗器）非电量保护的电源回路和出口（）回路应独立设置，应与电气量保护完全分开。

A.跳闸

B.合闸

C.动作