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【单选题】
如题14:在最短距离矩阵中,第7行第8列的数是:
A.
14
B.
12
C.
15
D.
9
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A.
教师确定目标的依据
B.
教师调整目标的依据
C.
教师选择落实目标手段的依据
D.
教师选择教学环境的依据
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A.
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B.
电源短路
C.
电动机转向不定
D.
不能确定
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A.
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B.
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A.
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B.
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C.
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