当这期的内容准备付印的时候,编辑部面临对封面的最后选择。我们也为此争论不下,难舍其一。我们最早确定的是1,因为向日葵是理想的石油植物,她也向着太阳获取能量。但我们又看上2,在河南的一个钻探石油的工地,油菜花在盛开,她似乎预示,这种含油极高的植物,将来会取代枯竭的油井,为我们提供未来的能源。相比而言,3更能画 The editorial department faces the final choice of the cover when the content of this issue is ready to be printed. We can not disagree with this argument either. The earliest thing we identified was 1, because sunflower is an ideal oil plant and she also gets energy toward the sun. But we also see that 2, at a drilling oil site in Henan, the rape blossoms in full bloom. She seems to indicate that this oil-rich plant will in the future replace depleted oil wells and provide us with future energy. In contrast, 3 can draw more