在生态系统中，能量流动一般是从绿色植物固定太阳能开始的．

课文《范仲淹的故事》讲了几个故事？

    A group of frogs were traveling1 the forests, but suddenly two of them fell into a hole. The other frogs tried to help them. When they saw how deep the hole was, they cried to the two frogs that they could not be saved. The two frogs didn't2 and tried their best to jump up out of the hole. The other frogs 3saying that they were sure to die. 4, one of the two frogs, who heard what the other frogs were saying, gave up. Then he fell down and died.
    The 5 frog, however, continued to jump as 6as he could, and at last made it out. When he 7 , the other frogs asked, "Didn't you hear us?" The frog, who had a poor 8, said, "I thought you were encouraging me all the time."
    The story teaches us a 9:There is power(力量) of life and death in the tongue. An encouraging 10 to those who are down can help them out while a discouraging word can kill them.

从《政治生活》角度看，右侧漫画《“无法忍受”中国客》启示我们每一位出游者应（    ）