Question

10．Tips for Staying SharpIt's not abnormal to feel out of it from time to time or perhaps you're feeling a bit sluggish（迟钝的）when it comes to remembering things．If you're worried about your forgetfulness，try out these five tips to stay sharp．
（36）AYou've probably heard the term"you are what you eat．"If you decide to eat sugary foods that are heavy with fats then expect to feel lazy and have no energy．But if you decide to eat fruits，vegetables and make other healthy eating decisions you'11 find that you're full of energy．
Never stop learning
Challenge yourself constantly-whether it is puzzles，reading，cooking or other tasks that will keep your mind working．If your mind is always learning new things and active，you'11 realize that it's much easier for you to learn new things and to function．（37）G    
Stay fit
Being in good health and staying in shape is a big part of staying sharp．（38）C If you choose to be lazy then your body is not going to give you the energy that requires remembering things and completing tasks．However，if you put forth the effort into being healthy then your body will expel（释放）the energy you need to achieve your goals．
Ensure enough sleep
Be sure to get the necessary amount of sleep that your body needs to function on a daily basis．（39）FIt also helps your body build up an energy reserve so you can improve your ability to focus and avoid distractions．
Socialize more
（40）E Social interaction will help you develop multitasking，problem solving and other skills that are necessary in life to keep your mind sharp．

A．Feed your brain．
B．Avoid eating too much．
C．Your body will only give you what you put into it．
D．Lack of sleep contributes to tiredness and slow reaction．
E．Conversations require individuals to stay aware and active．
F．According to studies，sleep helps strengthen and recover your memories．
G．Remember your brain is a muscle and if you want to get the most out of it，you must use it．

Answer 1

分析 本文属于说明文阅读，作者通过这篇文章主要向我们描述了五个保持锋利和清醒的技巧

解答 36．A．推理判断题．根据后文But if you decide to eat fruits，vegetables and make other healthy eating decisions you'11 find that you're full of energy可知要喂养你的大脑；故选A．
37．G．推理判断题．根据前文Challenge yourself constantly-whether it is puzzles，reading，cooking or other tasks that will keep your mind working可知记住你的大脑是一块肌肉，如果你想充分利用它，你就必须使用它；故选G．
38．C．推理判断题．根据后文If you choose to be lazy then your body is not going to give you the energy that requires remembering things and completing tasks可知你的身体会把你投入的东西还给你；故选C．
39．F．推理判断题．根据后文It also helps your body build up an energy reserve so you can improve your ability to focus and avoid distractions可知根据研究，睡眠有助于巩固和恢复记忆；故选F．
40．E．推理判断题．根据后文Social interaction will help you develop multitasking，problem solving and other skills that are necessary in life to keep your mind sharp可知对话要求你保持清醒和活跃；故选E．

点评 七选五阅读是完成性阅读，和完形填空很类似，不同的是一个选词，一个选句子．解题时，要注意上下文语境，充分考虑信息词（选项中和空格前后句子中相同或相近的词），选出最符合语境的句子．