圆的面积一定比半圆的面积大．

Five Simple Ways to Increase Your Intelligence

    Your IQ, which stands for Intelligence Quotient, is a scientific assessment(评估)of your intelligence. While there are limits based on native intelligence levels, recent studies have shown that it's possible to increase your intelligence. Your brain needs exercise just like a muscle. If you use it often and in the right ways, you will become a more skilled thinker and increase your ability to focus. Here are five simple techniques to exercise your brain.

    Minimize(使减少到最低程度)television watching.____When you feel like relaxing, try reading a book instead. If you're too tired, listen to some music. When you're with your friends or family, turn your television off and have a conversation.

    ____Time spent exercising always leads to greater learning because it improves productivity during the time afterwards. Using your body clears your head and creates a wave of energy.

    Read Challenging Books. If you want to improve your thinking and writing ability, you should read books that make you focus.____Besides, it will make you think in more precise, elegant English.

    ____Nothing makes it harder to concentrate than lack of sleep. You'll be most rejuvenated(恢复活力的)if you go to bed early and don't sleep more than 8 hours.

    Take time to reflect. Spending some time alone in reflection gives you a chance to organize your thoughts and prioritize(优先处理)your responsibilities.____.

A. Early to Bed, Early to Rise.

B. Take some time to exercise

C. Think of new ways to do old things

D. Reading a classic novel can change your view of the world

E. Watching television doesn't use your mental ability or allow it to recharge

F. Afterwards, you'll have a better understanding of what's important and what isn't.

G. Just as sitting at your desk all day is bad for your physical self, sitting in the same mental seat all the time is bad for your bran.