【单选题】【消耗次数：1】
土的强度主要与土中的（ ）有关。
①
有效应力
②
孔隙水压力
③
总应力
④
自重应力
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【单选题】
若墙后填土为正常固结粘性土，其固结不排水抗剪强度指标ccu、φcu与有效应力抗剪强度指标c’、φ’为已知，填土的重度为γ，则静止土压力系数K0可表示为（）。
①
K0=1-sincu
②
K0=2ccu/
③
K0=1-sin
④
K0=2c/
随机题目
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Use simple instructions and make them suit the comprehension level of the students
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Use the mother tongue only when it is necessary
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Use body language to assist understanding
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Not model the task or activity before letting students move into groups or pairs .
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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.
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Controller
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Assessor
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Organizer
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Prompter.
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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.
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Controller
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Assessor
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Organizer
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Controller
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Assessor
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participant
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Controller
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Assessor
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【单选题】
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①
It is an ideal way to show materials and do presentations together
②
It allows students to work together rather than under teacher’s guidance
③
It reinforces a sense of belonging among a group of members
④
It is very stressful.
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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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When students work in pairs on an exercise or a task
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When students work in small groups
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When students are expected to work on their own at their own speed.
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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.
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Controller
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Assessor
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Organizer
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Structures, vocabulary, functions and topics
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PPT, structures, aims and summary
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Structures, aims, functions and topics.
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Teaching aids
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End of a lesson summary
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Optional activities and assignment
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After lesson reflection.