材料一：班主任周老师知道学生兰兰家中非常困难，就写了一份倡议书，号召学校同学为兰兰捐款，还请来了电视台。可兰兰却非常反感。
材料二：同学玥玥段考考得很差，一直情绪不佳，为安慰她，青青在校园之声广播中为玥玥点了一首歌。谁知玥玥不仅不领情，还很生气。 

阅读材料，请回答：

请观察我国不同年代人口数量的数据：

高尔基说：“要热爱书，它会使你的生活轻松，它会友爱地帮助你了解纷繁复杂的思想情感和事件，它会教导你尊重别人和你自己，它以热爱世界热爱人类的情感来鼓舞智慧和心灵。”这段话主要的意思是说（　）

    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)____ a method of fighting heart disease, has had some unintended side ____ (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 ____ (process) the food that we eat, to recover from injury and for several other bodily functions. When fat and salt____ (remove) from food, the food tastes as if it is missing something. As ____ result, people will eat more food to try to make up for that something missing. Even____ (bad), the amount of fast food that people eat goes up. Fast food ____ (be) full of fat and salt; by____ (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____ (care) not to go to extremes. Like anything, it is possible to have too much of both,____ is not good for the health.