Have you ever wondered what an American high school is really like? This article will describe a typical (典型的) high school and its students.

    A typical American high school has several large buildings and enough space for about 1,500 students. Every student is given a locker. When students first arrive at school, they go straight to their lockers to put away or get their textbooks and to hang up their outdoor clothes. As American textbooks are expensive, students would rather loan(租借) than buy them. Students must pay back if they lost any of them.

    American students have different types of school transport. They usually take a yellow school bus or walk to school if they live close enough. Sometimes their parents drive them to school. When they turn 16 years of age, most take a free driving class at school for one term. If students earn passing grades in the class and also pass their state driver's exam, they can begin driving themselves to school.

    Each day, students take six or seven classes. They must take science, math, English and social studies. They can choose art, homemaking, fashion design and other classes. In some schools students are required to take one or more of the following special classes: health education, physical education or foreign language studies. Students move to different classrooms for each subject. This is because each teacher has their own classroom. There is a five-minute break between classes, to give the students the time to hurry to their next class.

    The regular school day usually ends early in the afternoon. After school more than half of the students are involved in after-school activities. These activities include sports-especially football, basketball, baseball and soccer or clubs, such as yearbook, speech, school newspaper, photograph or student government.

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    Since 1963, many female space explorers have followed Russian astronaut Valentina Tereshkova. {#blank#}1{#/blank#}.

    In 1983, Sally Ride became the first American women in space. Her team carried out scientific experiments in space and put two communications satellites in space. Satellites make it possible for us to communicate immediately with each other across the world through TV, radio and telephone.

    {#blank#}2{#/blank#}. During her task, she discovered important information about the sun's energy and how it affects the climate in very hot and very cold places on Earth. She also took photographs of Earth and measured air pollution.

    In 1992, Mae Jemison became the first African-American in space. During her task, she did scientific experiments using the weightless atmosphere.{#blank#}3{#/blank#}, so everything floats! Dr. Jemison's experiments gave important information about the human body to produce better medicines and healthcare.

    In 2012, Liu Yang became the first Chinese women in space.{#blank#}4{#/blank#}, which showed how astronauts can survive and stay healthy in space. The conditions in space are very hard on the body and space medicine helps astronauts work safely.

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A. There is no gravity (重力) in space

B. She did experiments in space medicine

C. We believe there will be more and more female astronauts in the future

D. Let' s look at the tasks of four female astronauts to find out what they do in space

E. In 1984, Kathryn Sullivan became the first American women to walk in space

    As a teenager, you have many dreams. These dreams can be very big, such as winning the Nobel Prize, or they can be small. You may just want to become one of the ten best students in your class.

    Once you find a dream, what do you do with it? Do you ever try to make your dream true?

    Follow Your Heart written by Australian writer Andrews tells us that making our dreams come true is life's biggest challenge(挑战).

    In fact, everyone can make his dream come true. The first thing you must do is remember what your dream is.

    Don't let it leave your heart. Keep telling yourself what you want. Do this step by step and your dream will come true faster because a big dream is, in fact, many small dreams.

    You must also never give up your dream.

    There will be difficulties on the road to your dreams. But the biggest difficulty comes from yourself. You may think you're not very good at some school subjects, or it is impossible for you to become a writer. These kinds of thoughts stop you from getting your dream, the book says.

    You need to decide what is the most important. Studying instead of watching TV will lead to better exam results, while saving five yuan instead of buying an ice cream means you can buy a new book. As you get closer to your dream, it may change a little. This is good as you have the chance to learn more skills and find new interests.