You will never imagine that such a small invention as a kite can【小题1】（有益） us so much! Flying kites is a popular hobby in many countries of the Far East where
【小题2】（漂亮） decorated kites appear【小题3】different colors．In China there is a special Kites Day on which children and【小题4】fly kites together happily．A flat kite is the oldest and 【小题5】(简单的) type of kite．It flies 【小题6】air flows over and under the kite's wing．The pressure under the wing helps the kite lift into the air．Kites have also【小题7】used in experiments．Early scientists 【小题8】kites up into the air to measure temperature at different 【小题9】（高度）. Kites were also used to develop airplanes．【小题10】is known to us that the Wright Brothers experimented with kites before they flew the first airplane．