辛勤地

Appears since the humanity on the Earth, humanity's activity caused in the biosphere the material circulation to speed up; The humanity uses own wisdom, through the high tech method, has improved the soil, has created the new variety; Humanity's industrious work caused the barren hill to turn the green and glossy farmland, caused the desert to turn the oasis; Our country constructs "three norths" the protective forest, effectively has suppressed the desert spread.

自从人类出现在地球上，人类的活动使得生物圈中的物质循环加快了；人类利用自己的智慧，通过高科技的手段，改良了土壤，创造了新的品种；人类的辛勤劳动使荒山变成了绿油油的农田，使沙漠变成了绿洲；我国建设的&三北&防护林，有效地抑制了沙漠的蔓延。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。