The Early Life of BeethovenAt an early age, Beethoven took an interest in music. His father taught him day and night. Without doubt, the child was gifted. His father expected him to become a new Mozart.At seven, Beethoven gave his first public performance in Cologne. His father announce that he was six years old. Because of this, Beethoven always thought that he was younger than he actually was.However, his father's musical and teaching talents were limited. Soon Beethoven began to learn the organ（风琴）and composition from Gottlob Neefe and other famous musicians. Neefe recognized Beethoven's extraordinary talents. While teaching him music, Neefe introduced him to the works of philosophers, ancient and modern.In 1782, Beethoven published his first work. The following year, Neefe wrote about his student in the Magazine of Music: "If he continues like this, he will be, without doubt, the new Mozart."In 1784, Beethoven was appointed organist of the court of Prince Franz. This post enabled him to frequent new circles other than those of his father and friends of his family. Here he met people who were to remain friends for the rest of his life.Prince Franz was also aware of Beethoven's talent. In 1787, he sent Beethoven to Vienna to meet Mozart and to further his musical education. Very soon, however, a letter called Beethoven back to Bonn: his mother was dying. She was the only person in his family with whom he had developed a strong and loving relationship. In 1792, Beethoven went back to Vienna for musical education. He never returned to the town of his birth, Bonn.As organist of the court of Prince Franz, Beethoven_____.

The Early Life of BeethovenAt an early age, Beethoven took an interest in music. His father taught him day and night. Without doubt, the child was gifted. His father expected him to become a new Mozart.At seven, Beethoven gave his first public performance in Cologne. His father announce that he was six years old. Because of this, Beethoven always thought that he was younger than he actually was.However, his father's musical and teaching talents were limited. Soon Beethoven began to learn the organ（风琴）and composition from Gottlob Neefe and other famous musicians. Neefe recognized Beethoven's extraordinary talents. While teaching him music, Neefe introduced him to the works of philosophers, ancient and modern.In 1782, Beethoven published his first work. The following year, Neefe wrote about his student in the Magazine of Music: "If he continues like this, he will be, without doubt, the new Mozart."In 1784, Beethoven was appointed organist of the court of Prince Franz. This post enabled him to frequent new circles other than those of his father and friends of his family. Here he met people who were to remain friends for the rest of his life.Prince Franz was also aware of Beethoven's talent. In 1787, he sent Beethoven to Vienna to meet Mozart and to further his musical education. Very soon, however, a letter called Beethoven back to Bonn: his mother was dying. She was the only person in his family with whom he had developed a strong and loving relationship. In 1792, Beethoven went back to Vienna for musical education. He never returned to the town of his birth, Bonn.The last paragraph shows that Beethoven_____.

The Mental Benefits of Being Fit①Exercise has obvious benefits to the teen body, but not all of them are physical. A teen goes through many changes in his or her body, brain and hormones（荷尔蒙）. A teen who exercises regularly can not only better his or her physical fitness, but also increase mental fitness and self-confidence.②The teen years can be rather stressful. Keeping fit and physically active can help teens reduce their stress levels. Parents should support their teens and provide equipment, or even volunteer as exercise partners. Teens who can use physical activity to lower their stress establish a healthy coping mechanism（机制）for life.③During the teen years, hormones are constantly changing. A teen’s mood can change with the wind. Exercise changes chemicals in the brain that control mood. Hormones released in the brain during activity increase happiness levels. A teen who exercises regularly will benefit from a healthy body and a more positive mood.④Teens can struggle with self-confidence as they are trying to find their place in the world. Physical activity can increase a teen’s self-confidence. When a teen girl can look at herself in the mirror and like what she sees，she has greater self-confidence. Finding an activity he likes can draw a teen boy into a group that accepts and appreciates him.⑤Exercise leads to an increase in brain function. Regular exercise increases math task skills and reasoning. Short-term memory is also increased with regular exercise. A teen who benefits from increased intellectual（智力的）skills due to regular exercise will do better in school.Paragraph①_____.

The Mental Benefits of Being Fit①Exercise has obvious benefits to the teen body, but not all of them are physical. A teen goes through many changes in his or her body, brain and hormones（荷尔蒙）. A teen who exercises regularly can not only better his or her physical fitness, but also increase mental fitness and self-confidence.②The teen years can be rather stressful. Keeping fit and physically active can help teens reduce their stress levels. Parents should support their teens and provide equipment, or even volunteer as exercise partners. Teens who can use physical activity to lower their stress establish a healthy coping mechanism（机制）for life.③During the teen years, hormones are constantly changing. A teen’s mood can change with the wind. Exercise changes chemicals in the brain that control mood. Hormones released in the brain during activity increase happiness levels. A teen who exercises regularly will benefit from a healthy body and a more positive mood.④Teens can struggle with self-confidence as they are trying to find their place in the world. Physical activity can increase a teen’s self-confidence. When a teen girl can look at herself in the mirror and like what she sees，she has greater self-confidence. Finding an activity he likes can draw a teen boy into a group that accepts and appreciates him.⑤Exercise leads to an increase in brain function. Regular exercise increases math task skills and reasoning. Short-term memory is also increased with regular exercise. A teen who benefits from increased intellectual（智力的）skills due to regular exercise will do better in school.Paragraph②_____.

The Mental Benefits of Being Fit①Exercise has obvious benefits to the teen body, but not all of them are physical. A teen goes through many changes in his or her body, brain and hormones（荷尔蒙）. A teen who exercises regularly can not only better his or her physical fitness, but also increase mental fitness and self-confidence.②The teen years can be rather stressful. Keeping fit and physically active can help teens reduce their stress levels. Parents should support their teens and provide equipment, or even volunteer as exercise partners. Teens who can use physical activity to lower their stress establish a healthy coping mechanism（机制）for life.③During the teen years, hormones are constantly changing. A teen’s mood can change with the wind. Exercise changes chemicals in the brain that control mood. Hormones released in the brain during activity increase happiness levels. A teen who exercises regularly will benefit from a healthy body and a more positive mood.④Teens can struggle with self-confidence as they are trying to find their place in the world. Physical activity can increase a teen’s self-confidence. When a teen girl can look at herself in the mirror and like what she sees，she has greater self-confidence. Finding an activity he likes can draw a teen boy into a group that accepts and appreciates him.⑤Exercise leads to an increase in brain function. Regular exercise increases math task skills and reasoning. Short-term memory is also increased with regular exercise. A teen who benefits from increased intellectual（智力的）skills due to regular exercise will do better in school.Paragraph③_____.

The Mental Benefits of Being Fit①Exercise has obvious benefits to the teen body, but not all of them are physical. A teen goes through many changes in his or her body, brain and hormones（荷尔蒙）. A teen who exercises regularly can not only better his or her physical fitness, but also increase mental fitness and self-confidence.②The teen years can be rather stressful. Keeping fit and physically active can help teens reduce their stress levels. Parents should support their teens and provide equipment, or even volunteer as exercise partners. Teens who can use physical activity to lower their stress establish a healthy coping mechanism（机制）for life.③During the teen years, hormones are constantly changing. A teen’s mood can change with the wind. Exercise changes chemicals in the brain that control mood. Hormones released in the brain during activity increase happiness levels. A teen who exercises regularly will benefit from a healthy body and a more positive mood.④Teens can struggle with self-confidence as they are trying to find their place in the world. Physical activity can increase a teen’s self-confidence. When a teen girl can look at herself in the mirror and like what she sees，she has greater self-confidence. Finding an activity he likes can draw a teen boy into a group that accepts and appreciates him.⑤Exercise leads to an increase in brain function. Regular exercise increases math task skills and reasoning. Short-term memory is also increased with regular exercise. A teen who benefits from increased intellectual（智力的）skills due to regular exercise will do better in school.Paragraph④_____.

The Mental Benefits of Being Fit①Exercise has obvious benefits to the teen body, but not all of them are physical. A teen goes through many changes in his or her body, brain and hormones（荷尔蒙）. A teen who exercises regularly can not only better his or her physical fitness, but also increase mental fitness and self-confidence.②The teen years can be rather stressful. Keeping fit and physically active can help teens reduce their stress levels. Parents should support their teens and provide equipment, or even volunteer as exercise partners. Teens who can use physical activity to lower their stress establish a healthy coping mechanism（机制）for life.③During the teen years, hormones are constantly changing. A teen’s mood can change with the wind. Exercise changes chemicals in the brain that control mood. Hormones released in the brain during activity increase happiness levels. A teen who exercises regularly will benefit from a healthy body and a more positive mood.④Teens can struggle with self-confidence as they are trying to find their place in the world. Physical activity can increase a teen’s self-confidence. When a teen girl can look at herself in the mirror and like what she sees，she has greater self-confidence. Finding an activity he likes can draw a teen boy into a group that accepts and appreciates him.⑤Exercise leads to an increase in brain function. Regular exercise increases math task skills and reasoning. Short-term memory is also increased with regular exercise. A teen who benefits from increased intellectual（智力的）skills due to regular exercise will do better in school.Paragraph⑤_____.

The Mental Benefits of Being Fit①Exercise has obvious benefits to the teen body, but not all of them are physical. A teen goes through many changes in his or her body, brain and hormones（荷尔蒙）. A teen who exercises regularly can not only better his or her physical fitness, but also increase mental fitness and self-confidence.②The teen years can be rather stressful. Keeping fit and physically active can help teens reduce their stress levels. Parents should support their teens and provide equipment, or even volunteer as exercise partners. Teens who can use physical activity to lower their stress establish a healthy coping mechanism（机制）for life.③During the teen years, hormones are constantly changing. A teen’s mood can change with the wind. Exercise changes chemicals in the brain that control mood. Hormones released in the brain during activity increase happiness levels. A teen who exercises regularly will benefit from a healthy body and a more positive mood.④Teens can struggle with self-confidence as they are trying to find their place in the world. Physical activity can increase a teen’s self-confidence. When a teen girl can look at herself in the mirror and like what she sees，she has greater self-confidence. Finding an activity he likes can draw a teen boy into a group that accepts and appreciates him.⑤Exercise leads to an increase in brain function. Regular exercise increases math task skills and reasoning. Short-term memory is also increased with regular exercise. A teen who benefits from increased intellectual（智力的）skills due to regular exercise will do better in school.Regular exercise benefits a teen_____.

The Mental Benefits of Being Fit①Exercise has obvious benefits to the teen body, but not all of them are physical. A teen goes through many changes in his or her body, brain and hormones（荷尔蒙）. A teen who exercises regularly can not only better his or her physical fitness, but also increase mental fitness and self-confidence.②The teen years can be rather stressful. Keeping fit and physically active can help teens reduce their stress levels. Parents should support their teens and provide equipment, or even volunteer as exercise partners. Teens who can use physical activity to lower their stress establish a healthy coping mechanism（机制）for life.③During the teen years, hormones are constantly changing. A teen’s mood can change with the wind. Exercise changes chemicals in the brain that control mood. Hormones released in the brain during activity increase happiness levels. A teen who exercises regularly will benefit from a healthy body and a more positive mood.④Teens can struggle with self-confidence as they are trying to find their place in the world. Physical activity can increase a teen’s self-confidence. When a teen girl can look at herself in the mirror and like what she sees，she has greater self-confidence. Finding an activity he likes can draw a teen boy into a group that accepts and appreciates him.⑤Exercise leads to an increase in brain function. Regular exercise increases math task skills and reasoning. Short-term memory is also increased with regular exercise. A teen who benefits from increased intellectual（智力的）skills due to regular exercise will do better in school.Doing exercise may help a teen cope with_____.

The Mental Benefits of Being Fit①Exercise has obvious benefits to the teen body, but not all of them are physical. A teen goes through many changes in his or her body, brain and hormones（荷尔蒙）. A teen who exercises regularly can not only better his or her physical fitness, but also increase mental fitness and self-confidence.②The teen years can be rather stressful. Keeping fit and physically active can help teens reduce their stress levels. Parents should support their teens and provide equipment, or even volunteer as exercise partners. Teens who can use physical activity to lower their stress establish a healthy coping mechanism（机制）for life.③During the teen years, hormones are constantly changing. A teen’s mood can change with the wind. Exercise changes chemicals in the brain that control mood. Hormones released in the brain during activity increase happiness levels. A teen who exercises regularly will benefit from a healthy body and a more positive mood.④Teens can struggle with self-confidence as they are trying to find their place in the world. Physical activity can increase a teen’s self-confidence. When a teen girl can look at herself in the mirror and like what she sees，she has greater self-confidence. Finding an activity he likes can draw a teen boy into a group that accepts and appreciates him.⑤Exercise leads to an increase in brain function. Regular exercise increases math task skills and reasoning. Short-term memory is also increased with regular exercise. A teen who benefits from increased intellectual（智力的）skills due to regular exercise will do better in school.A teen's mood may change suddenly_____.