To avoid annihilation by parasites, some caterpillars are able to ----- periods of active growth by prematurely entering a dormant state, which is characterized by the -------- of feeding.

• 在当今世界，制造商的发明创造动辄就遭假冒模仿，因此，产品之间的差异常常是微乎其微；这样一来，广告商便被迫夸大这些差异，以便表明其顾客产品的独特性。