农业是中国的一个重要产业，从业者超过3亿 Agriculture...which embraces 300 million workers。中国农业产量agricultural output全球第一ranks the first all over the world（排名），主要生产水稻rice、小麦和豆类。虽然中国的农业用地仅占世界的百分之十accounts for，但为世界百分之二十的人提供了粮食。
中国7700年开始种植水稻China's history of...dates back to as early as 7700 B.C.。早在使用机械和化肥之前，勤劳和富有创造性的中国农民farmer就已经采用各种各样的方法来增加农作物产量crop yields。中国农业最近的发展the latest trend of..是推进有机农业。有机农业organic agriculture可以同时服务于多种目的serve a variety of purposes，包括食品安全，大众健康和可持续发展sustainable development.
The worker in the field of agriculture,one of the most important industries in China, has passed 300 million(不加s）. The Chinese agriculture output now is ranked number one in the world and mainly produces rice,wheat,and beans. Although agricultural land area accounts for only 10% of the world's total, it's output provides 20% of the people with food supplies. China started planting rice from 7.7 thousands years ago. Long before the use of machinery and fertilizers, hard-working and creative Chinese peasants had adopt various/different kinds of methods to improve/increase the output. In recent years, the policy to the development of agriculture is to promote organic one,which can serve for different sake,including food security, public health and the sustainable development.
排名：raise/improve my rankings. rank: vt: 1.We rank among the safest countries in the world.列入，排名Today’s match ranks as one of the most exciting games.（rank as/among）2.be ranked fourth/number one: It is not always easy to rank the students in order of ability.
provide: sth for sb. / provide sb with sth
收益、产量：1.The average milk yield per cow has doubled. / high/low yield: Shareholders are expecting a higher yield this year.
sake:不可数
serve:对...有作用、有益、满足：1. serve as：A large cardboard box will serve the purpose. Her talent for organization should serve her well. 2.serve the needs/interests of somebody/something
