问题
选择题
在平面a内，若直线a⊥c，直线b⊥c，则a∥b；在空间，若直线a⊥c，直线b⊥c，则直线a与直线b不一定平行。从哲学上看，这说明 [ ]
A．任何真理都有自己适用的条件和范围
B．人们对事物的认识具有反复性
C．抽象思维是人们获得正确认识的来源
D．人们难以完全正确地反映客观事物
答案
答案：A
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在平面a内，若直线a⊥c，直线b⊥c，则a∥b；在空间，若直线a⊥c，直线b⊥c，则直线a与直线b不一定平行。从哲学上看，这说明 [ ]
A．任何真理都有自己适用的条件和范围
B．人们对事物的认识具有反复性
C．抽象思维是人们获得正确认识的来源
D．人们难以完全正确地反映客观事物
答案：A
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| Ben and Jim are twin 1 . They are nine. They 2 in Shenyang Primary School. They are in 3 class. Every day they 4 school and come back together. Their teacher, Mrs. Green, says to the pupils (小学生) , "Please write a composition (作文) 'My Mother'. Jim is 5 good boy. He writes the composition 6 home. But Ben plays 7 football 8 his friends. The next day Green says to the class, "I read your composition. But two of yours 9 just the same." Ben stands up and says, "Jim and I are twins. We have the same 10 . | |||
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