题目

     Kites were invenTed in China, where materials ideal for kite building were readily availa­ble. It has been claimed 站(he invention of the famous 5th - century BC Chinese philosophers Mozi and Lu Ban. Earlier kites were used as leaf kites. In 549 AD it was recorded a paper kite was used as a message for a rescue mission. Other uses of kites are listed for me measuring dis­tances , testing the wind, lifting men, signaling, find communication for military operations.      After its introduction into India, the kite further developed into the fighter kite known as the patan下列关于种子萌发的叙述，不正确的是A．种子的自身条件是种子萌发的内在因素 B．温度、空气和水分是种子萌发的外界条件 C．外界条件要通过内在因素才能使种子萌发D．内在因素要通过外界条件才能使种子萌发