In China, more and more middle school students are getting{#blank#}1{#/blank#}（short）sleeping time than before. Most students sleep less than nine{#blank#}2{#/blank#}（hour）every night, because they have much homework{#blank#}3{#/blank#}（do）.Some homework is given by their teachers, and some by{#blank#}4{#/blank#}（they）parents.Also,some students don't know{#blank#}5{#/blank#} to save（节省） time.They are not careful enough while they do their homework,so it{#blank#}6{#/blank#}them a lot of time.Some students spend too much time{#blank#}7{#/blank#}（watch）TV or playing computer games. They stay up（熬夜）very{#blank#}8{#/blank#}.Some students have to get up early every morning on weekdays to get to school on time by bus or by bike. It can be a long{#blank#}9{#/blank#}from home to school.

    Schools and parents should cut down some of the homework so that our children can enjoy more than nine hours of sleep every night for their health.{#blank#}10{#/blank#} children, we should make best use of（很好地利用）our time. When we have enough time for sleeping, we will find it much better for both our study and health.

    Some day you may go to the Moon. A tall rocket will take you {#blank#}1{#/blank#} space. The rocket {#blank#}2{#/blank#} (fly) a long way to a space station. You will stay there for {#blank#}3{#/blank#} short time. Then a big spaceship {#blank#}4{#/blank#} (take) you to the Moon.

    About three days later, the ship slowly goes down and gets to the Moon. You are now on the Moon, but you cannot leave {#blank#}5{#/blank#} (you) spaceship. You must put {#blank#}6{#/blank#} a spacesuit on the Moon. It is very hot in the day and very cold at night. If you {#blank#}7{#/blank#} (not wear) the spacesuit, you can't live there. You jump out of the spaceship and begin {#blank#}8{#/blank#} (walk). The Moon is much smaller than the Earth. The things on the Moon are {#blank#}9{#/blank#} (light) than those on the Earth. You jump high in the air every time you take a step.

    The Moon moves slowly, so one day or one night on the Moon is as {#blank#}10{#/blank#} (long) as about two weeks on the Earth. The Earth is a far better place to live on, but scientists are trying to make the best use of the Moon.