【单选题】【消耗次数：1】
在OSI环境中，不同开放系统对等实体之间的通信，需要（N）实体向相邻的上一层（N+1）实体提供一种能力，这种能力称为（）
①
协议
②
服务
③
用户
④
功能
参考答案：
复制
纠错
相关题目
【单选题】
在OSI参考模型中，第N层与第N+1层之间的关系是
①
第N层是第N+1层的服务提供者
②
第N+1层从第N层接收报文并添加报头
③
第N层使用第N+1层提供的服务
④
第N层与第N+1层没有直接关系
【单选题】
在OSI/RM中，一个层N与它之上的N+1层的关系是什么?
①
第N层为第N+1层提供服务
②
第N+1层把从第N接收的信息添一个报头
③
第N层使用第N+1层提供的服务
④
第N层与第N+1层相互没有影响
【简答题】
概念模型中两实体型之间的联系主要有 1:1、[填空1]、m:n三种。
【单选题】
对于实体集A中的每一个实体，实体集B中至少有一个实体与之联系，反之亦然，则称实体集A与实体集B之间具有的联系是（ ）。
①
A.多对一
②
B.一对多
③
C.多对多
④
D.一对一
随机题目
【单选题】
What are the five components of communicative competence?
①
Linguistic competence, pragmatic competence, discourse competence, strategic competence and fluency
②
Linguistic competence, pragmatic competence, discourse competence, strategic competence and accuracy
③
grammar competence, pragmatic competence, discourse competence, strategic competence and fluency
④
grammar competence, pragmatic competence, discourse competence, strategic competence and accuracy.
【单选题】
What are the principles of communicative language teaching?
①
Communication principle, task principle and meaningful principle
②
Communication principle, accuracy principle and meaningful principle
③
Communication principle, fluency principle and meaningful principle
④
Communication principle, task principle and purpose principle.
【单选题】
What are the listening and speaking activities in traditional pedagogy?
①
A. Listen to texts either read by the teacher or pre-recorded on the tape; repeat what is heard
②
Answer the questions according to what is heard; produce responses based on given clues
③
Retell what is heard
④
All of the above.
【单选题】
What is fluency competence concerned with?
①
Appropriate use of the language in social context
②
Ability to link units of speech together with facility and without strain or inappropriate slowness or undue hesitation
③
Strategies one employs when there is communication breakdown due to lack of resources
④
Knowledge of language itself, its form and meaning.
【单选题】
What is linguistic competence concerned with?
①
Appropriate use of the language in social context
②
Ability to create coherent written text or conversation and the ability to understand them
③
Strategies one employs when there is communication breakdown due to lack of resources
④
Knowledge of language itself, its form and meaning.
【单选题】
What is the possible solution to bridge the gap between classroom language teaching and real-life language use?
①
Task-based teaching and learning
②
Communicative language teaching
③
Presentation, practice and production
④
Engage
⑤
study
⑥
activate.
【单选题】
What is the ultimate goal of foreign language teaching?
①
Enable SS to use the foreign language in work or life
②
Enable SS to achieve accuracy of English language structure
③
Enable SS to achieve fluency of English language structure
④
Enable SS to speak standard English.
【单选题】
What is pragmatic competence concerned with?
①
Appropriate use of the language in social context
②
Ability to create coherent written text or conversation and the ability to understand them
③
Strategies one employs when there is communication breakdown due to lack of resources
④
Knowledge of language itself, its form and meaning.
【单选题】
What qualities are considered good qualities of a good teacher?
①
Kind, humorous, well informed
②
Hard working, disciplined
③
Well prepared, dynamic and patient
④
All of the above
【单选题】
What does the interactional view of language see language?
①
A system of categories based on the communicative needs of the learner
②
A communicative tool to build up and maintain social relations between people
③
A linguistic system made up of various subsystems
④
A linguistic system and a means for doing things.