something, swim, class, careful, hour, easy ,think, minute, what,  eye ,  try ,  difficult. 

        It was the first biology class.  The teacher wanted to give a good start to her{#blank#}1{#/blank#}   . she wanted to open up her students' {#blank#}2{#/blank#}   to the world of biology . She knew that teaching those young students was not {#blank#}3{#/blank#}  , so she worked hard and {#blank#}4{#/blank#}    to find a good way to teach  them . After {#blank#}5{#/blank#}   a long time , She had an idea . She decided to show the children {#blank#}6{#/blank#}   interesting and give them a lesson at the same time.
She asked her students to watch{#blank#}7{#/blank#}  . Then she began . She put a  worn(虫) into a glass of water . the worn {#blank#}8{#/blank#}   around in the water . Then she put a second worn into a glass of alcohol(酒). It was killed after a few {#blank#}9{#/blank#}   .  She asked the students {#blank#}10{#/blank#}  they learned from it . A boy answered , "You showed us that if we drank alcohol, we wouldn't  have worns in our stomaches. "

    Hey, friends~ I'm Jill. Let me tell you {#blank#}1{#/blank#}about my sister. My sister's name is Cathy. She is a(n) {#blank#}2{#/blank#}She works in a hospital not far from our house. Her eating habits are very healthy. She {#blank#}3{#/blank#}junk food And she {#blank#}4{#/blank#}eats it. She exercises more than an hour every day. Sure, she is in good {#blank#}5{#/blank#}

    From Monday to Saturday, Cathy is full. Sometimes she doesn't have {#blank#}6{#/blank#}time for dinner. {#blank#}7{#/blank#} things are different on Sunday. On that day she never works. Sometimes she and I go to the movies {#blank#}8{#/blank#}. Sometimes she rides her bicycle to the farm to help Dad look after the pigs. Oh, last Sunday she didn't go to the movies. She didn't help Dad look after the pigs, either. She and I {#blank#}9{#/blank#} paragliding on Blues Beach. I enjoyed {#blank#}10{#/blank#}but she didn't. Why? That's because she hurt (使受伤) her leg.

    In today's world, sleep experts often say that for a better night's rest, Americans should turn {#blank#}1{#/blank#}their smart phones or iPads before sleeping. Such electronic products make the brain more {#blank#}2{#/blank#}, and then influence their sleep. But according to a latest survey, more than 90% of Americans often use a computer or some other {#blank#}3{#/blank#}of electronic products in the hour before bed.

    Researchers find that man - made light from some electronic products at night may reduce the brain chemicals that help {#blank#}4{#/blank#}. In the study, the researchers let volunteers read, play games and watch movies on a screen for different time while measuring {#blank#}5{#/blank#} much light their eyes received. They found that two hours of {#blank#}6{#/blank#} before a bright screen at night reduced the sleep chemical levels by about 22%.

    Then the researchers studied the college students {#blank#}7{#/blank#} often used computers at night. They got the {#blank#}8{#/blank#} results. And researchers say that may not only cause sleeplessness, but also {#blank#}9{#/blank#} the risk of obesity (肥胖症), diabetes (糖尿病) and other diseases.

    To be on the safe side, the researchers suggest that we should use computers {#blank#}10{#/blank#} than before, or turn down our screens as much as possible before sleeping.

    It is helpful for English readers to improve reading speed. Before{#blank#}1{#/blank#}to read the material(素材), learn about the background knowledge.{#blank#}2{#/blank#}its help, you can read faster. While reading, many students think the{#blank#}3{#/blank#}thing they should do is to look up the new words. That will make them feel bored and disturb (打扰) their speed! What's{#blank#}4{#/blank#}, they always pay more attention to English grammar than the main idea of the material. To tell the truth, you'd better grasp(领会) the main information in a short time.{#blank#}5{#/blank#}, this is the key to making your reading speed faster and faster.

    As a famous piano master, Paderewski was admired by many people. Wishing to make progress on the piano, one day, a boy {#blank#}1{#/blank#} to a Paderewski's concert by his mother. After they were seated, the mother saw a friend and walked up to greet her, leaving the boy alone in {#blank#}2{#/blank#} seat.

    Catching the chance to explore the wonders of the concert hall, the little boy stood up and finally made his way through a door {#blank#}3{#/blank#} was marked "No Admittance(进入)". Soon, the mother {#blank#}4{#/blank#} to her seat, she discovered that the child was missing.

    Suddently the lights focused on the piano on the stage. In surprise, the mother found her little boy sitting at the piano. {#blank#}5{#/blank#} knowing where he was, the boy was picking out Twinkle, Twinkle, Little star.

    At the moment, the great piano master appeared, moved to the piano {#blank#}6{#/blank#}, and whispered (耳语) in the boy's ear, "Don't stop. Keep playing." Then he sat down and added a running obbligato (伴奏). Together, the old master and the young beginner changed an embarrassing situation into a wonderfully creative experience. It became one of the {#blank#}7{#/blank#} parts of the whole concert that evening. The people were touched so much by the master and the mother was shocked. She believed that such an experience would make a big {#blank#}8{#/blank#} to her boy's life.

    In fact, that's the way it is in life. What we can do on our own is hardly unusual.

    We tried our best, but the {#blank#}9{#/blank#} aren't excatly smooth music like what we have expected. But when we trust in the hands of a greater power, our life's work can be truly beautiful.

    Next time, you set out {#blank#}10{#/blank#} great works, listen carefully. You can hear the voice of the master, whispering in your ear, "Don't stop. Keep playing."

Three good habits that help improve your memory

Dear teachers and students.

    I'm Amy.

    Do you want to have a better memory? Many people would say yes. But how?

First, exercise {#blank#}1{#/blank#}. When you exercise your body, you also exercise your brain. Your brain gets more oxygen when you exercise, like {#blank#}2{#/blank#}.

Second, don't eat too much {#blank#}3{#/blank#}. Have a good diet. This will help your brain become healthier.

    Third, {#blank#}4{#/blank#}. If you're happy, your mind will become livelier and your memory will become sharper.

    If you have these habits, your memory will improve. You'll {#blank#}5{#/blank#}your studies and in your life. Thank you for listening.