关于我国平原的特点叙述，正确的是（ ）
A．东北平原地势平坦，沃野千里
B．华北平原地势最低，地面平坦，一望无际
C．成都平原河渠纵横，湖泊众多，有“水乡”之称
D．长江中下游平原地势低平，沼泽成片，面积最大
东北平原地势平坦，沃野千里，以黑土著称，是我国最大的平原，长江中下游平原地势最低，河渠纵横，湖泊众多，有“水乡”之称，华北平原又称黄淮海平原，选项BCD叙述错误，不符合题意．
故选：A．
| 完形填空 | ||||
The future belongs to those who be lieve in the beauty of their dreams.-Eleanor Roosevelt My home is a place of great beauty and agricultural richness, as well as of war and natural disasters. When I was only fourteen years old, I was filled with__1__in spite of the terrible surroundings.The families living here, who tried to make their living from the land, __2__great losses. I felt sorry especially for the__3__, but I__4__to be hopeless.I decided that where I was, I could do __5__to help them.I began knocking on every door and saying to each person who__6__my knock, "I know that you are__7__and give the birds that come to your yard a little__8__.Please consider me your bird.Give me only a handful of rice each week when I come to your__9__.I will take it to the temple where it can be given to the__10__children." No one seemed to__11__giving me a handful of rice, even__12__they had little themselves.On Sunday, I would go to the__13__and give my handfuls of rice to the monks to__14__to the children. One day, I came to a house that had__15__to give.I told my story and asked if I could be their bird. The woman called her daughters, and__16__gave me fifty cents, as well as the handful of rice!I began to ask for__17__and rice from the other "bird feeders", and they gave them to me.Everyone was happy to be helping those who were suffering, even__18__only this small way.The temple was soon able to help everyone who came to them for food and clothing. " Consider me your bird." My__19__idea had not stopped the war, but anyway, it was__20__some peace. | ||||
|