What is your choice when you feel like eating something between classes: fruit or candy?

    Experts say snacking (吃零食) is not all b{#blank#}1{#/blank#}It depends on what you eat and why and when you eat it.

    First, it is important to remember what snacks are{#blank#}2{#/blank#}(health). Forget sodas and fast food because they are harmful to your health.

    Second, you'd better know why you're snacking before you are actually doing it.{#blank#}3{#/blank#}(记得) that it's always better to eat for hunger. Never binge (大吃大喝) just because you feel bored or everyone else is eating. If you do so, you might put on weight (重量).

    Finally, when to eat snacks? It's not wise to eat snacks while you are watching TV or doing homework. Then you don't really focus on your food. You'll probably eat much more than you need. And some doctors suggest eating snacks two hours {#blank#}4{#/blank#}/bI′fɔ(r)/ meals, or you will lose your appetite (食欲) at dinner time. Bedtime is not a good t{#blank#}5{#/blank#}for snacking.

    If you watch what you eat, you will live a better life.

    Do you know Stephen Hawking? He's one of the most well-known{#blank#}1{#/blank#}（scientist）on space and time in the world. He was born in England in 1942. Hawking is {#blank#}2{#/blank#}（study）how the universe began and how it ends.

    When he studied math and science at Oxford University, he fell{#blank#}3{#/blank#}(serious) ill, which made him unable to speak or breathe. Till now, he can't move or feed{#blank#}4{#/blank#}(him). however, he has a wheelchair with {#blank#}5{#/blank#} special computer, with which he can communicate with others.

    {#blank#}6{#/blank#}he was facing all these difficulties, he refused to give up his hope of living. Because{#blank#}7{#/blank#} his illness, it was difficult for him to draw diagrams or to write. So he started{#blank#}8{#/blank#}(think) in pictures. With this new way of thinking, he is respected by people in the world.

    Once he{#blank#}9{#/blank#}(invite) to China to give lectures. His self-confidence and humorous conversations impressed us deeply.

    He once said, “When something unfair happens,{#blank#}10{#/blank#} is no need to worry about it! You just have to do the best in your own situation.”