【判断题】【消耗次数:1】
利用网络函数的极点和零点在复平面上的分布情况,可以预言网络的时域响应特性和正弦稳态响应的变化规律。
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相关题目
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随机题目
【单选题】 What are not good rules to follow for making instructions effective?
①  Use simple instructions and make them suit the comprehension level of the students
②  Use the mother tongue only when it is necessary
③  Use body language to assist understanding
④  Not model the task or activity before letting students move into groups or pairs .
【单选题】 What role does a teacher play in the following activity? When the students have in groups decided where to go for a spring outing, the teacher asks each group to tell the others why they have made such a choice.
①  Controller
②  Assessor
③  Organizer
④  Prompter.
【单选题】 What role does a teacher play in the following activity? The teacher asks students to produce conversations (either orally or in writing) by using particular patterns or expressions they have just learned.
①  Controller
②  Assessor
③  Organizer
④  Prompter.
【单选题】 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.
①  Controller
②  Assessor
③  participant
④  Resource-provider.
【单选题】 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.
①  Controller
②  Assessor
③  participant
④  Resource-provider.
【单选题】 Which of the following is the advantage of pair work?
①  It is an ideal way to show materials and do presentations together
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③  It reinforces a sense of belonging among a group of members
④  It is very stressful.
【单选题】 Which of the following is the time when students work in a pair?
①  When all the students are under the control of the teacher
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【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.