填空题

Rice is one. of the major GM crops containing genes which help to either resist insect or tolerate weed - killing herbicides.

【参考答案】

NG

<上一题目录下一题>

热门试题

填空题

Study done in Swiss and Cornell University indicated that Bt crops could’ have unreasonable adverse effects on insects in the field.

问答题

How to Deal with Personal Crisis1．造成个人危机的起因；2．应对个人危机的方法。