百度知道 - 信息提示

1.然而，我们并不能得出这样的结论：性欲在性行为之后会消失，或是说性欲和浪漫的爱情一样。 2.一些自由主义者幻想为那些符合条件的低收入家庭提高补贴，但是，即使上次在财政赤字再次膨胀之前，那笔每年1000亿美元的方案也不现实。 3.把所有的这些因素总结起来，然后独立地考虑他们，你会得到一个统计学的预测：一个心烦意乱，常醉酒的在半夜开车的年轻人出严重事故的几率，要比一个在早上（七小时后应该就是早上了）头脑清醒的中年妇女驾车去教堂高出270万倍

First of all,the first part of the ariticle gives a brief description of the concept of biological diversity and the natural world and human society in some of the value. The second part, through the perspective of genetics, biotechnology and genetic variation analysis of the aspects of the natural biological diversity. The third part,it mentiones in a brief description about the concept of biological resources and their current direction of the study and hot issues. The fourth,mianly introduces through the cross breeding, mutation breeding, genetic engineering, cell engineering,4 different angles to clarify the current common way or methods of human creation,collection, use of biological resources. Part V, gives a brief description of the current problems of the biological resources faced by mankind and the protection plan.