题目内容:
Asfor a lesson plan, a teacher says, "When do lesson planning, I alwaysprepare some extra and alternative tasks and activities so that I have theoptions to cope with the unexpected situations." According to theteacher's words, we can know that the teacher follows the principle of_______inlesson planning.
A.linkage A.linkage
B.variety
B.variety
C.flexibility
C.flexibility
D.learnability
D.learnability
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答案解析: