.历年高考语法填空真题1. （ 2017 全 国 ） There has been a recent trend in the food service industry toward lower fat content and less salt. This trend, which was started by the medical community（医学界）61a method of fighting heart disease, has had some unintended side62(effect) such as overweight and heart diseasethe very thing the medical community was trying to fight. Fat and salt are very important parts ofa diet.They are required63(process)thefood thatwe eat, to recover from injury and for
