生物

高中阶段对我来说是非常重要的，我在学习上花了大量的精力。我很擅长数学和英语，而我薄弱的科目是生物和地理。

Animal is part of the nature. If they die out from the earth, then human being won’t live long, either.

Nowadays, the controversial issue of cloning has been in the limelight and has aroused wide concern in the public. It’s quite understandable that the views of this issue vary from person to pers

With the repid development of technology, clone comes to the world. It can duplicate creature, which means it can make contribution to the production. People can pay a little and get a lot in the end.

Cucumber Cucumber is very effective natural beauty. According to expert studies, fresh cucumber cucumber enzyme contained in a strong biological activity of biological enzymes, can effectively promote