【单选题】【消耗次数：1】
加减速电路的组成包括（ ）
①
同步器
②
数模转换电路
③
以上选项都选
④
可逆计数器
⑤
RC变频振荡器
参考答案：
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What role does a teacher play in the following activity? When a student has made a sentence with borrow, “I borrowed a paper to write a letter”, the teacher says, “Well, we don’t say a paper, we say a piece of paper.”
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Controller
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Why do novice teacher often have problems giving clear instructions?
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Their language proficiency is low
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They are fresh from the university
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Their instructions are too short
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They are not able to target their instructions to the level of the learners.
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When is appropriate for the teacher to give classroom instructions to students?
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Give directions to tasks or activities, checking comprehension, giving feedback
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Providing explanations to a concept or language structure, drawing attention
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Setting requirements, checking comprehension, assigning homework
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All of the above.
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What are not good rules to follow for making instructions effective?
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Use the mother tongue only when it is necessary
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What role does a teacher play in the following activity? When students are doing a group-work task, the teacher joins one or two groups for a short period of time.
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Controller
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Assessor
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participant
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Resource-provider.
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What role does a teacher play in the following activity? The teacher has a word in his mind and asks students to guess by asking only Yes/No questions until they make the correct guess.
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Controller
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Assessor
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participant
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Resource-provider.
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Which of the following is the advantage of pair work?
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It is an ideal way to show materials and do presentations together
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It allows students to work together rather than under teacher’s guidance
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It reinforces a sense of belonging among a group of members
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It is very stressful.
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Which of the following is the time when students work in a pair?
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When all the students are under the control of the teacher
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When students work in pairs on an exercise or a task
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