口蹄疫得到控制？(2)

哥本哈根會議旨在達(dá)成氣候變化協(xié)議（2）

各國紛紛尋求應(yīng)對氣候變化的舉措。 Hints: University of East Anglia Ban Ki-Moon China is now the leading producer of greenhouse gases. But the United States and other industrialized nations were t...

揭秘植物的修枝(2)

揭秘植物的修枝(2)Hints:Ottoline Leyser University of York Think of a major road crowded with traffic. So many cars are on the main road that the cars on the side roads cannot enter. The stem is...

60歲以下：死亡警報 (2)

Other leading causes of death are lung disease, cancers of the windpipe and lungs, road accidents and low birth weight. The research also shows that between the ages of 15 and 60, men have a mu...

整潔的農(nóng)場 遠(yuǎn)離乳腺癌 (2)

Ynte Schukken SchukkenThe same is true for milking machines, milking areas and pasture lands -- the cleaner the better, he says. Milkers should always wash their hands. And, in the United States,...