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    Lots of scientists believe there's life on other planets．Because of this，they keep doing research about the universe．They have sent astronauts to the moon．And they have {#blank#}1{#/blank#}the answer．There's no life on the moon．Not long ago they {#blank#}2{#/blank#}spaceships to Mars．There，they didn't find life．And they found the environment of Mars was {#blank#}3{#/blank#}from that of the earth．Then they knew it was{#blank#}4{#/blank#}for people to live on Mars．

    {#blank#}5{#/blank#}they haven't received a message from other planets，they believe their idea is right．Recently they have {#blank#}6{#/blank#}a planet．It's {#blank#}7{#/blank#}Proxima Centauri．It's very {#blank#}8{#/blank#}to our earth．It is just over four light years away．Proxima Centauri is {#blank#}9{#/blank#}than the earth．And there's water on this planet．That {#blank#}10{#/blank#}mean that life is possible there．Now scientists are studying this planet．Soon they will tell people the answer．

How to keep on your exercise plan during winter? Here I'll give you some suggestions.

To stay active during the winter, you should first make it as easy as possible to do your exercise. Second, make something different before you {#blank#}1{#/blank#}doing exercise. The following advice will give you some ideas for making winter exercise more comfortable and more enjoyable.

Put your sports clothes in the dryer. If you want to exercise outside, you might keep the clothes in the dryer for a few minutes before that. It's often harder to {#blank#}2{#/blank#}when it's cold outside. {#blank#}3{#/blank#}clothes fresh from the dryer is just one way to get your body warm.

Take a hot shower. If it's really cold outside, you might even try a quick shower to get yourself warm before you do exercise.

Walk indoors. Walking is a good way to {#blank#}4{#/blank#}. To get out of cold weather of winter, you can simply walk indoors, probably in the living area of your room. Walking indoors makes you {#blank#}5{#/blank#}and gives a warm temperature to do it.