All over the world people swim for fun. Swimming is enjoyed by people of 1 ages, from the very young to the very old. There are many places for people to swim in swimming pools. Many schools, hotels and clubs have swimming pools. Some people have pools of 2 in their yards.
Swimming is one of 3 forms of exercise. It can 4 hearts and bodies strong. It can also help blood circulate(循环). Handicapped(残疾的)people can keep their bodies in better condition by swimming 5 they can't enjoy sports.
 6  is a good idea for parents to see to it(务必做到) that their children learn to swim 7 an early age. So their children will 8 it for the rest of their lives.
There are many rules for water safety. These rules can help save not only your life 9 the life of a friend. First of all, know 10 . Many schools 11  swimming lessons to children. Adults(成人) can learn to swim at public pools.  12  rule to remember is never to swim  13 . Always swim with a friend and know  14  in the water at all times. It is best to swim  15  in safe places if you are beginners. If every one learned to swim and obeyed the rules for water safety, most drawing(溺水) could be avoided.  

Do you often ride a bike to school? Here’s some advice for you.

Try not to use busy roads. In some cities there are special pains for bikes only. Use them when you can, but watch out—people often walk along them. Check the road before starting and look all around. Also, when you’re with friends on bikes, it’s much safer to ride behind, not next to, each other. Where one road meets another, you should take even more care. Slow down and check both roads. Use your eyes and be careful.

Check your bike often. Do all the parts work properly? Is there enough air in your tyres(轮胎)?

If you have an accident or fall off your bike, a helmet will protect your head. It must be the right
Size, so ask for help when you buy it.

You must use lights at night, so keep them clean and check the batteries. Don’t wear dark colours; yellow and white are the easiest colours for drivers to see.

A bike isn’t a toy and there should be only one person on it. Many children have accidents when
they play still games on their bike.

Red traffic lights aren’t only for cars and buses.They’re for you too if you’re on a bike.You’re also breaking the law if you go the wrong way up a one-way street.
Please choose best title for each blank.

 Americans with small families own a small car or a large one. If both parents are working, they usually have two cars. When the family is large, one of the cars is sold and they will buy a van(住房汽车)
　　A small car can hold four persons and a large car can hold six persons but it is very crowded. A van hold seven persons easily, so a family three children could ask their grandparents to go on a holiday travel They could all travel together.
　　Mr. Hagen and his wife had a third child last year. This made them sell a second car and buy a van. Their children sixth and seventh seat are used to put other things, for a family of five must carry many suitcases(衣箱)when they travel. When they arrive at their grandparents’ home , the suitcases are brought into the two seats can then carry the grandparents.
　Americans call vans motor homes. A motor home is always used for holidays. When a family are traveling to the mountains or to the seaside, they can live in their motor home for a few days or to the seaside, they can live in their motor home for a few days or weeks. All the members of a big family can enjoy a happier life when they are traveling together. That is why motor homes have become very popular. In America there are many parks for motor homes.
【小题1】 From the passage, a van is also called ____________.