众所周知，词汇是GRE考试的基础。那么怎样才能掌握GRE必备的词组呢？
这里为大家总结一些常用的核心词组，希望对各位备考有帮助。

本期GRE必备词组:
carry out 执行

  释义:

If you carry out a threat, task, or instruction, you do it or act according to it.

 例句

Israel may not have the military strength to carry out an extended campaign by itself.

 GRE

It has also been proposed that just because we know so much about people intuitively, there has been less incentive for studying them scientifically; why should one develop a theory, carry out systematic observations, or make predictions about the obvious?
还有一种观点就是，因为我们对于人类有了足够多的直观感受，那对他们进行科学研究的动力就减少了;为什么要对那些显而易见的东西发展理论、进行全面观测或者提出预测呢?