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. 小题1: A．all B．any C．som D．both 小题2: A．them B．their own C．theirs own D．their own’s 小题3: A．good B．better C．best D．the best 小题4: A．help B．let C．make D．show 小题5: A．though B．as C．so D．until 小题6:. A．That B．There C．This D．It 小题7:. A．over B．during C．at D．on 小题8:. A．learn B．enjoy C．stop D．know 小题9:. A．and aim B．still C．and yet D．but also 小题10:. A．how to swim B．why swimming C．how swimming D．why to swim 小题11:. A．have B．take C．give D．make 小题12: A．The other one B．Other C．Others D．Another 小题13: A．alone B．yourself C．lonely D．together 小题14:. A．what person is B．where that person is C．who is that person D．where is that person 小题15:. A．nearly B．hardly C．almost D．only