题目

                           C World Footballer of the Year 2009 Football experts from the world have chosen Steven Gerrard, Lionel Messi, Cristiano Ronaldo, and Samuel Eto'o as the top footballers in the world. Now it's up to you to vote for the player you think is the king of World Football. THE CANDIDATES   Vote Now WHAT THE EXPERTS SAY ＊Why I'd vote for Gerrard “Gerrard is clearly in his prime and quite rightly rated one of the finest midfield players of his generation.” says Steve Bates, chairman of the FWA. ＊Why I'd vote for Cristiano Ronaldo Johan C下列信息传递的实例中，属于调节生物种间关系的是（   ）A．莴苣在适宜波长光下才能萌发生长B．昆虫散发性外激素传递信息C．草原返青时，“绿色”为食草动物提供信息D．雄鸟求偶时进行复杂的“求偶”炫耀