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

Scinentistsjumpedtotherescuewithsomedistinctlyshakyevidencetotheeffectthatinsectswouldeatusupifbirdsfailedtocontr olthem。

正确答案：
Scinentistsjumpedtotherescuewithsomedistinctlyshakyevidencetotheeffectthatinsectswouldeatusupifbirdsfailedtocontr olthem。
解析：句子的主干是“scientistsjumpedtotherescuewithsomedistinctlyshakyevidence”，后接that引导的同位语从句。If引导的条件状语从句修饰that从句。totheeffectthat大意是，意思是;failto未能;jumpto立即，赶快therescue营救，援救，解救。
参考译文：科学家们立即拿出某些明显站不住脚的证据前来救驾，大致说的是如果鸟儿不能控制害虫的话，害虫就会把我们吃掉。