“Early to bed, early to rise, makes a man healthy, wealthy(财富) and wise (智慧).”

    This is an old English saying (谚语)．Did you hear of it? It means that we must go to bed early and {#blank#}1{#/blank#} up early in the morning．Then we will keep {#blank#}2{#/blank#}．We'll also be rich and clever.

    This is true．The body must have {#blank#}3{#/blank#} sleep to be healthy．Children of young age should have ten {#blank#}4{#/blank#} sleep every day．Children who don't have enough sleep can't do their work very well．They won't be clever and they may not become rich!

    The body also needs {#blank#}5{#/blank#}．Walking, running, jumping, swimming and playing games are all exercise．Exercise the body strong(强壮).

    Exercise also helps the blood(血) to {#blank#}6{#/blank#} around inside the body．This is very important．Our blood {#blank#}7{#/blank#} food to all parts(部分) of our body．The head also needs blood． Exercise helps us to think{#blank#}8{#/blank#}.