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�� �ϡ�ˮ����Ȼ���ѭ�������ÿ�ʱ�� ����Ӣ������������ Do you know where rain comes from? Why doesn��t water in the river become dried up? Ȼ��ѧ�����ۻش������������ Today, we will study how water cycles in the nature. �� �����¿ο�ʼ�������Ȱ�һЩӢ�ﵥ��д�ںڰ���������ѧ��������֮������Ӣ�ｲ��һ����ѧͯ������Сˮ��֮���� Now, please listen carefully. A drop of water is the sea mother��s daughter. She stays at home the whole day, she feels silly. So she decides to travel in the nature. First she becomes steam and flies in the sky. Then she meets cold and becomes water and lives in a cloud hotel in air. She meets a lot of members of water��s family there, such as water sister, water uncle, water aunt and water brother. Then the members of water��s family become more and more so that the cloud hotel can��t hold up and the drop of water falls to the ground. At last she flows into the river, then she comes back to the sea mother��s bosom. �����ȿ�������ѧ����Ӣ���������ֿ���ʹѧ�������ˮ����Ȼ��ѭ�������⡣ �� ����Then, I ask: �� Do you understand this story? Who can play the part of a drop of water in the story? �� ��������ѧ���ǻ������ݣ�������ر�����Сˮ�ε����С��е�ѧ������Ӣ�����Ի���He say: ��I��m a drop of water, I want to travel in the nature.�� �� ����������ܽ������� Today, we have studied that water cycles in the nature. Sometimes water��s cycle is good for the mankind, but sometimes it is harmful for us. ��2003��12�£� ����ǰһ���� ���رմ����� �ӿ���һҳ������˫���ѧ���������� |
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