在局域网交换机中，交换机只要接收并检测到目的地址字段就立即将该帧转发出去， 帧出错检

老师问A、B、C、D、E五位学生：“昨天你们有几个人玩过游戏？”他们的回答分别为A：没有人；B：一个人；C：二个人；D；三个人；E：四个人．老师知道：他们之中有人玩过游戏，也有人没有玩过游戏．若没有玩过游戏的人说的是真话，那么他们5个人中有 ______个人玩过游戏．

水痘-带状疱疹病毒主要潜伏于()

A．真皮层皮肤附属器

B．基底膜带

C．脊髓后根神经节

D．感觉神经轴索

E．运动神经轴索

某工作是由三个性质相同的分项工程合并而成。各分项工程的工程量和时间定额分别是： Q₁＝2300m³，Q₂＝3400m³，Q₃＝2700m³；H₁＝0.15工日/m³，H₂＝0.20工日/m³，H₃＝0.40工日/m³。则该工作的综合时间定额是( )工日/m³。

A．0.35

B．0.33

C．0.25

D．0.21

英语科技论文中词汇的特点（）

A.纯科技词汇

B.通用科技词汇

C.派生词

D.合成词

Directions:This section consists of three groups of pairs listed in two columns, A and B. You are to match the one marked 1), 2), 3),4) or 5) in Column A with the one marked a, b, c, d or e in Column B. One point is given to each pair you match.
1) ______the Grammar-Translation Method
2) ______ the Direct Method
3) ______ the Oral Approach
4) ______ the Audiolingual Method
5) ______ the Cognitive Approach
a) The neogrammarians, represented by Hermann Paul formed its main linguistic base.
b) The structural linguists believed that the primary medium of language is oral, that is language is speech.
c) It lays emphasis on the conscious acquisition of language as a meaningful system.
d) It can be characterized as a type of British "structuralism".
e) It believes in the natural process of language learning and in the inductive teaching of grammar.