历年高考语法填空真题
（2017 全国Ⅰ）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 side
62(effect)
such as overweight and heart disease—the very thing the medical community was trying to fight. Fat and salt are very important parts of a diet. They are required
63(process)
the food that we eat, to recover from injury and for several other b ...