阅读下面短文，在空白处填入 1个适当的单词或括号内单词的正确形式。
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） 61 a 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 bodily functions. When fat and salt 64 (remove) from food, the food tastes as if is missing something. As 65 result, people will eat more food to try to make up for that something missing. Even 66 (bad), the amount of fast food that people eat goes up. Fast food 67 (be) full of fat and salt; by 68 (eat) more fast food people will get more salt and fat than they need in their diet.
Having enough fat and salt in your meals will reduce the urge to snack(吃点心) between meals and will improve the taste of your food. However, be 69 (care) not to go to extremes. Like anything, it is possible to have too much of both, 70 is not good for the health.
答案
65. a 考查冠词。固定短语as a result表示“结果”，句意：结果，人们将吃更多的食物去弥补损失的东西。故填a。
66. worse 考查比较级。句意：更糟糕的是，人们所吃快餐的数量增加了。故填worse。
67. is 考查主谓一致。句意：快餐食物中充满了脂肪和盐。fast food的意思是“快餐”，表示一类食物，为不可数名词，谓语动词用单数形式。故填is。
68. eating 考查动名词。句意：通过吃更多的快餐，人们将在饮食中摄入超过需求量的脂肪和盐。根据前文中的by可知此处应该填名词，所以填eat的动名词形式。故填eating。
69. careful 考查形容词。句意：然而，注意不要走极端。分析语境可知be后面应该用形容词做表语，故填careful。
70. which 考查非限制性定语从句。句意：很可能摄入过多的脂肪和盐，那对健康没有好处。分析可知which is not good for the health为非限制性定语从句，先行词为前文中的have too much of both“摄入过多的脂肪和盐”。故填which。
