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搜题/搜资源
【单选题】【消耗次数:1】
平面一般力系有( )个独立的平衡方程,可用来求解未知量。
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1
②
2
③
3
④
4
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相关题目
【单选题】
平面一般力系有( )个独立的平衡方程,可用来求解未知量。
①
1
②
2
③
3
④
4
查看完整题目与答案
【单选题】
平面一般力系有( )个独立的平衡方程,可用来求解未知量。
①
1
②
2
③
3
④
4
查看完整题目与答案
【单选题】
平面一般力系的平衡方程可以求解()个未知数。
①
1
②
2
③
3
④
4
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【单选题】
平面一般力系的平衡方程一般有()个。
①
1
②
2
③
3
④
4
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【判断题】
未知量均可用平衡方程解出的平衡问题,称为稳定问题;仅用平衡方程不可能求解出所有未知量的平衡问题,称为不稳定问题。
①
正确
②
错误
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【判断题】
在平面力系中,所有力作用线汇交于一点的力系,称为平面一般力系,有3个平衡方程。
①
正确
②
错误
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【多选题】
平面一般力系的平衡方程是()
①
所有力在X轴上投影的代数和为零
②
所有力在Y轴上投影的代数和为零
③
所有力对矩心的力矩之和为零
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【单选题】
利用平面汇交力系的平衡条件,最多可以求解()个未知力。
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1
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2
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【判断题】
如果有n个物体组成的系统,每个物体都受平面一般力系的作用,则共可以建立3个独立的平衡方程。
①
正确
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【单选题】
平面汇交力系独立的平衡方程数目是( )。
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一个
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三个
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两个
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【单选题】
What is fluency competence concerned with?
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Appropriate use of the language in social context
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Ability to link units of speech together with facility and without strain or inappropriate slowness or undue hesitation
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Strategies one employs when there is communication breakdown due to lack of resources
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Knowledge of language itself, its form and meaning.
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【单选题】
What is linguistic competence concerned with?
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Appropriate use of the language in social context
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Ability to create coherent written text or conversation and the ability to understand them
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Strategies one employs when there is communication breakdown due to lack of resources
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Knowledge of language itself, its form and meaning.
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What is the possible solution to bridge the gap between classroom language teaching and real-life language use?
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Task-based teaching and learning
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Communicative language teaching
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Presentation, practice and production
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Engage
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study
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What is the ultimate goal of foreign language teaching?
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Enable SS to use the foreign language in work or life
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Enable SS to achieve accuracy of English language structure
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Enable SS to speak standard English.
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What is pragmatic competence concerned with?
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Appropriate use of the language in social context
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Ability to create coherent written text or conversation and the ability to understand them
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What qualities are considered good qualities of a good teacher?
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Kind, humorous, well informed
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Hard working, disciplined
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Well prepared, dynamic and patient
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All of the above
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What does the interactional view of language see language?
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A system of categories based on the communicative needs of the learner
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A communicative tool to build up and maintain social relations between people
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A linguistic system made up of various subsystems
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A linguistic system and a means for doing things.
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What are the characteristics of audio-lingual method?
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Language is learned by constant repetition and the reinforcement of the teacher
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Mistakes were immediately corrected, and correct utterances were immediately praised
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Students should be allowed to create their own sentences based on their understanding of certain rules
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Both A and B.
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What does the structural view of language see language?
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A system of categories based on the communicative needs of the learner
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A communicative tool to build up and maintain social relations between people
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A linguistic system made up of various subsystems
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A linguistic system and a means for doing things.
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What does the functional view of language see language?
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A system of categories based on the communicative needs of the learner
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A communicative tool to build up and maintain social relations between people
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A linguistic system made up of various subsystems
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A a linguistic system and a means for doing things.
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