①Do you ever feel like you're not as smart（聪明）as everyone else？Do you study for a big test and then fail it，but you don't know why？ ②It may not be that you're less clever than everyone else is，but maybe it is what you're eating．③Scientists have found that you are what you eat and what you eat can change how you learn．
There are foods that can make your brain（大脑）work better．④ Many people call these food“smart food（益智食物）”or“brain food（补脑食物）”because they are good for your brain．The natural vitamins（维生素）and oils in the foods can help you think better and faster．Good brain foods are fish，seeds，cheese，eggs，and meats．Ginseng（人参）is also helpful in helping you study．⑤The best thing not to do before an exam is to eat a big meal．If all of your blood（血液）is in your stomach （胃），then not enough is going to your brain．In other words（换句话说），watch what you're eating and study hard！
参考答案：
①你是否曾觉得自己不如别人聪明？你是否曾考砸了努力准备过的重要考试，而且不晓得为什么会考不好？
②原因可能不是你不如别人聪明，而是吃的食物不对。
③科学家们已经发现人吃什么就会像什么，而且食物会改变一个人的学习效果。
④很多人称这些食物为“益智食物”或“补脑食物”，因为他们对大脑有帮助。这些食物里的天然维生素和油脂可以帮助你思考得更有效率而且更快。
⑤考试前最好不要做的事就是大吃大喝。如果全身血液都集中在胃里，流进大脑里的血液就会不足。换句话说，下次考试时，要注意饮食，也要努力用功哦！
