题目

完形填空    阅读下面短文，掌握其大意，然后从各小题所给的4个选项中选出最佳选项。 Many of us enjoy watching animals in the world. But do you know they can teach us? Geese(雁), for example, teach a very good lesson about   1  . In the fall, Canada geese fly to the warm south to    2   Canada’s cold winter. They lift off in no order. Yet  3   they form a V shape, with one bird leading the group. This V shape allows geese to   4   energy. When the front bird moves its wings up and down, the resulting force of the air lifts the next one. T8．艾菲尔铁塔位于哪座城市（　　）A．纽约B．东京C．巴黎D．伦敦