Scinentists jumped to the rescue with some distinctly shaky evidence to the effec

10 查阅

Scinentists jumped to the rescue with some distinctly shaky evidence to the effect that insects would eat us up if birds failed to control them。

参考答案:

Scinentists jumped to the rescue with some distinctly shaky evidence to the effect that insects would eat us up if birds failed to control them。  解析:句子的主干是“scientists jumped to the rescue with some distinctly shaky evidence”,后接that 引导的同位语从句。If引导的条件状语从句修饰t