生活力生化测定是快速测定种子生活力，其简称为（）。
A.氧化三苯基四氮唑法
B.TTC法
C.TTC法
D.CCT法
参考答案：C
________ yourself with positive people and you will keep focused on what you can do instead of what you can't. [ ]
A. Surrounding
B. Surrounded
C. Surround
D. Having surrounded
电话监听中信息反馈的作用是什么？
you can't. [ ]