阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

    We  are what we eat because what we eat every day has ____ great impact on our health.Therefore，we should make everyeffort to change our bad eating habits. ____ we all know，baked or fried foods may be ____(taste) , but eating toomuch of them will ____(probable) result in some illnesses. Moreover, some foodthat costs us a great deal of money and is not healthy is junk food.

____(compare)withpeople in the West, Chinese people used to eat more grain and vegetables, but____(little)meat, which is a good eating habit. However, things are quitedifferent now. With the rapid economic ____(grow)of our country, we now areeating a lot of food that is high in sugar and fat. We ____(run) the risk ofeating out without considering the balance of our diet.

      The food we choose affects our health, so wemust keep ____mind that the food we choose should give ____(we) the nutrientswe need.

 2008年12月1日天空出现罕见的“双星伴月”天象奇观：月亮和金星、木星同时出现在夜空中，远看犹如一张笑脸．据天文学家解释，这是金星和木星围绕在月亮周围而形成的天文景象，据此回答下题．

①选择装置并检查气密性．

②称取0.1g的二氧化锰粉末加入容器中．

③量取20毫升溶质质量分数约1%的过氧化氢溶液加入容器中，记录一定时间内收集到的气体体积．

④改变二氧化锰的质量，重复上述实验，记录数据如表．