【单选题】【消耗次数：1】
斜槎长度不得小于其高度的（）。
①
1/2
②
1/3
③
2/3
④
1.5倍
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相关题目
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则交关系A∩B等于：[填空1]
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则对称差关系A⊕B等于：[填空1]
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则求差关系A-B。
【单选题】
某分部工程分四个施工段，其流水节拍如下：
A过程：3天、2天、1天、4天； B过程：2天、3天、2天、3天；
C过程：1天、3天、2天、3天； D过程：2天、4天、3天、1天。
则BA、B、、BB、C、BC、D为_______天
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3、4、3
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3、2、3
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2、4、3
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3、4、2
随机题目
【单选题】
What role does a teacher play in the following activity? The teacher writes one of five numbers (1-5) on a number of cards (the same number as the students). Each student draws one card. Those who have drawn number 1 will form group1, and those who have drawn number 2 will form group 2. Thus the students are put into five groups in a random way.
①
Controller
②
Assessor
③
Organizer
④
Prompter.
【单选题】
What are language contents?
①
Structures, vocabulary, functions and topics
②
Pictures, vocabulary, communication and topics
③
PPT, structures, aims and summary
④
Structures, aims, functions and topics.
【单选题】
Which part is to be finished after a lesson in a lesson plan?
①
Teaching aids
②
End of a lesson summary
③
Optional activities and assignment
④
After lesson reflection.
【单选题】
What are the principles for good lesson planning?
①
Aim, variety, flexibility, learnability and linkage
②
Aim, preparation flexibility and linkage
③
Aim, micro-planning, macro-planning and flexibility
④
Aim, micro-planning, macro-planning and variety.
【单选题】
What is the function of optional activities?
①
Backups in case the lesson goes too fast and there are a few minutes left
②
Prepared for good students
③
Prepared for bad students
④
Used for emergency.
【单选题】
What are very commonly used teaching procedures and stages?
①
Presentation, practice and production
②
Pre-reading, while-reading and post-reading
③
Mechanical practice and meaningful practice
④
Both A and B.
【单选题】
What are the guidelines for writing teaching aims in a lesson plan?
①
Clear, brief
②
Specific, students-oriented
③
Specific, teacher-oriented
④
Both A and B.
【单选题】
What is discourse 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 strategic 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 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.