Can dolphins talk ? They can't talk with words, but they talk with sounds. They show their feelings with sounds.

 Dolphinp travel in a group. We call a group of fish a“school". They don't study, but they travel together Dolphins are mammals, not fish, but they swim together in a school.

 Dolphins talk to the other dolphins in the school. They give information. They tell when they are happy or sad or afraid .They say "Welcome” when a dolphin comes back to the school. They talk when they play.

 They make a few sounds above water They make many more sounds under water. People cannot hear these sounds because the sounds are very, very high. Scientists make tapes of the sounds and study them.

 Sometimes people catch dolphins for a large aquarium. People can watch the dolplains in a show Dolphins don't like to be away from their school in an aquarium. They are sad.

 There are many stories about dolphins. They help people. Sometimes they save somebody's life. Dolphin meat is good, but people don't like to kill them. They say that dolphins bring good luck. Many people believe this.

    Teeth are a very important part of our bodies. Good teeth help you eat things like apples. They also help you talk. The healthier your teeth are, the happier you will be.

    You can take care of your teeth by brushing and flossing（用牙线清理）them.

    But before that, you have to pick a good toothbrush. Be sure your toothbrush are soft enough Also, brushes with small heads are better. They can reach every corner of your mouth.

    Now it's time to brush. Brushing helps break down plaque（牙菌斑）Plaque is a kind of bad thing that can make small holes in your teeth. Brush your gums at a 45—degree angle（角度）This works well to clean both the teeth and gums.

    Learn how to floss your teeth. It gets rid of food in the spaces between your teeth. Your toothbrush can't get there. Move floss between each tooth gently back and forth once a day. It may feel a little difficult at first, but pretty soon. You'll be good at it!

    It's rare to see a team earn 11 straight wins (连胜) in a tournament (锦标赛). However, the Chinese Women's volleyball team has done it!

    On Sept 29, China took the Women's Volleyball World Cup Trophy(奖杯) in Japan. The team didn't lose any of its games during the tournament. It was also the team's 10^th world title (冠军).

    "The trophy is the best gift to celebrate the 70^th birthday of New China," People's Daily said in an article.

    The Chinese Women's volleyball team has long been the pride of Chinese athletics. In the 1980s, the team won five world titles in a row (连续), which raised people's confidence at the time. Since then its fighting spirit has encouraged generations (一代代) of people, both within the team and across the country.

    Working hard was the key to the team's success. The World Cup was played in several different cities and the team didn't have much time to train. The girls had to squeeze in (挤出) training time when they could. On Sept 25, for example, they arrived in Osaka at 2:30 pm and started training only an hour later.

    Never giving up, especially during difficult times, is also the key to getting success, according to head coach Lang Ping. Many of the team's members kept on playing even after being hurt.

    With their latest win, the girls are ready to prepare for next year's Tokyo Olympics.

House fires cause many deaths each year and a large number of these fires are unfortunately set by children.{#blank#}1{#/blank#}Kids must understand that they'd better not play with fire. You should keep matches and lighters out of their reach.

{#blank#}2{#/blank#} The main job of such an alarm is to protect you while you're asleep. You should have a smoke alarm outside each bedroom and on each floor of your home. You ought to have two plans for getting out of your house if there is a fire and practise these plans in the dark with your family.

A smoke alarm warns you of the danger. {#blank#}3{#/blank#}Take action immediately. When you come to a closed door, check it with the back of your hand. If it feels hot, there may be smoke or fire behind the door, so take care. Once you are out of your house, call the fire department from a neighbor's house. If a family member or a pet is caught inside, you shouldn't go back in. Firemen know how to perform rescues safely.

{#blank#}4{#/blank#} Change the batteries at least once a year. You should use the test button each month to see if the alarm and batteries are still working. A smoke alarm lasts about ten years. You ought to change it even if it seems to be working.