According to one recent study, narrow winners of research grants had better chances to be promoted to professors.
查看答案
One researcher suggests it might be more fruitful to distribute grants on a relatively equal basis.
Minor setbacks in their early career may have a strong negative effect on the career of close losers.
该实验使用的是什么望远镜?
A. 开普勒望远镜
B. 伽利略望远镜
C. 反射式望远镜
本实验中使用的望远镜主要由哪几部分组成
A. 目镜、分划板
B. 目镜、分划板、物镜
C. 物镜和调焦手轮