C．cookie D．calorie

　　C　[词义猜测题。根据本句"...English muffin with peanut and butter in it"中名词muffin后面的介词短语"with peanut and butter in it"可知这个食物里面有花生和黄油，说明不可能是菜单和卡路里，dinner意为"一顿饭"，这是一个笼统的名词，范围太广，只有C项"薄煎饼"与上下文一致，指里面有花生和黄油的薄煎饼。故C正确。]

　　2．What can we conclude from the passage?

　　A. Two percent of our brain is still active when we are sleeping or relaxing.

　　B．What we eat seems more important than what we learn in terms of memory.

　　C．It doesn't make much difference to our brain whether we have breakfast or not.

　　D．Life's challenges have no effect on our memory, if dealt with in a proper way.

　　B　[ 推理判断题。根据第三段第四句"Even if you're not a breakfast eater, that meal is the best way to prepare your brain for the day."第六、七、八句"Having sunflower seeds...."可知食物对记忆力的影响巨大，适当的食物可以让我们的大脑为记忆工作做好准备。所以说：就记忆而言，我们所吃的东西要比我们所学的东西更加重要。故B正确。]

　　3．In the passage, Chinese culture is mentioned to ．

　　A．support the idea of long life

　　B．warn the readers of two organs

　　C．show the importance of Vitamin B­1

　　D．remind us of walnuts and sunflower seeds

C　[ 推理判断题。在第三段第七句"Vitamin B­1 also helps the memory, and that is found in eggs, meats and nuts."中提到了VB­1有助于提高我们的记忆力，接着在第八句"In Chinese culture, walnuts are known as the fruit for a long life because it is believed that they feed both the kidneys and the brain."就提到了中国文化中关于