填空题

To certain extent, GM crops are regarded as ______since the gene inserted into a plant cannot be seen, tasted or touched.

【参考答案】

invisible
<上一题 目录 下一题>
热门 试题

填空题
Among all the GM crops, Bt genes have proved most effective in ______ when the largest reduction in pesticide use has been reported.
填空题
Rice is one. of the major GM crops containing genes which help to either resist insect or tolerate weed - killing herbicides.
相关试题