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【单选题】
基于问题的网络课堂协作知识建构教学设计分为七个阶段:学习问题(活动任务)选择、学习目标确定、协作小组组织、网络资源/工具设计、活动策略/规则设计、建构过程设计、评价反思设计等几个阶段。 请问:为保证协作知识建构活动的开展,教师必须先根据活动目标有针对性地将问题分解为几类协作活动,然后进一步分解协作活动任务,这属于于哪个阶段?A.
学习问题（活动任务）选择
B.
学习目标确定
C.
协作小组组织
D.
网络资源/工具设计
E.
活动策略/规则设计
F.
建构过程设计
G.
评价反思设计
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【简答题】An important question about eating out is who pays for the meal. If a friend of yours asks you to have lunch with him. You may say something like this, “I’m afraid it’ll have to be some place cheap, a...
【单选题】— If you want to protect your eyes from harm, which should NOT you do? — _____ . [ ]
A.
Wear sunglasses to protect your eyes from ultraviolet rays (紫外线)
B.
Stay before the computer screen and play games for long
C.
Do eye exercises every day
【简答题】复杂的立体交叉一般由( )、( )、( )组成。
【单选题】What should be avoided if you want to protect youself from danger in solo travel?
A.
Presuming the worst and be overly fearful.
B.
Watching out for those who are too friendly with you.
C.
Being careful not to endanger yourself by throwing caution to the wind.
D.
Taking the road with less money if you hear stories about criminals on the road.
【简答题】复杂的立体交叉一般由主干道、次干道和（）组成。
【简答题】建筑内部给水系统根据其用途不同可分为: 、 和
【简答题】An important question about eating out is who pays for the meal. If a friend of yours asks you to have lunch with him, you may say something like this, “I’m afraid it will have to be some place cheap,...
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