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【多选题】
农谚说: “蚯蚓叫,大雨到 . ”一位农民气象此感到怀疑,经过反复观察和实验,他 发现下雨前鸣叫的是蝼蛄而不是蚯蚓,于是把这条农谚改成了 “蝼蛄叫,大雨到” 。 经过进 步观察和研究,他又发现 “春秋蝼蛄叫,大雨定会到”,但“盛夏蝼蛄叫,大雨不会到” 。 这表明 ( )A.
. 实践是认识的最终目的和归宿
B.
. 实践是检验认识正确与否的唯一标准
C.
. 亲身实践经验比他人的实践经验更可靠
D.
. 实践是认识的来源和认识发展的根本动力
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【简答题】完型填空。 Steve and Mark were good friends. They decided to spend their vacation in Haiti. Since they 1 no French, they took a French word book with them and hoped it would help them in difficult situatio...
【简答题】完型填空。 Today is September 10th ,Teachers' 1 , and it's Sunday. So there are 2 people in the park. Miss Gao and her students are in the park ,too.Look ! Miss Gao is playing s 3 her students. They ha...
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【单选题】所谓内接多边形是( )
A.
多边形在圆内，多边形每边的中点在圆上
B.
多边形在圆外，多边形的顶点在圆上
C.
多边形在圆内，多边形的顶点在圆上
D.
多边形在圆外，多边形每边的中点在圆上
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