完形填空: Experiments have 1 that children can be instructed in swimming 2 a very ea

完形填空：

Experiments have 1 that children can be instructed in swimming 2a very early age. At a special swimming pool in Los Angles, children become expert at 3breath under water before they can walk. Babies of two months 4 do not appearto be reluctant (不愿) to enter the water. It isnot long 5 they are so accustomed to swimming that they can pick up weights fromthe floor of the pool. A game that is very popular with these young swimmers is theunderwater tricycle (三轮车) race. Tricyclesare 6 up on the floor of the pool seven feet under water. The children compete (比赛) against each other to 7 end of the pool.Many pedal (踏) their tricycles, but most of themprefer to push or drag them. Some children can 8 the whole length of the poolwithout coming up for a breath even once. Whether they will ever become future Olympicchampions, only time will 9 . Meanwhile, they should encourage those among us whocannot swim five yards before they are gasping for 10 .

试题答案

答案：D;A;B;C;B;D;B;C;A;C