读中国部分生物灾害局部分布图，回答：关于图中1、2、3、4图例所代表的生物灾害依次是(   )

    Today was a fun day. I walked to Mike's home in the morning. I studied English with him. We read funny stories together

    Then I went to a park by bike. I flew(fly的过去式) kites. It was a windy day. Suddenly my kite flew into the lake

    A dog saw the kite. He jumped into the lake and swam to it. Five minutes later, he gave(give的过去式) the kite back to me. I was very grateful to him.

(____)I flew kites.

(____)I went to Mike's home.

(____)The dog jumped into the lake and swam to the kite.

(____)The kite flew into the lake.

(____)He gave the kite back to me.

2015年9月，中共中央、国务院印发《关于深化国有企业改革的指导意见》指出，推进国有企业混合所有制改革。这说明（  ）

①混合所有制将成为社会主义经济制度的基础②国有企业将转换经营机制，提高国有资本配置和运行效率③各种所有制资本取长补短、相互促进、共同发展④市场在资源配置中发挥决定性作用

读中东图，回答下列问题

小明在初三复习归纳时发现初中阶段学习了三个非负数，分别是：①a²；②$\sqrt{a}$；③|a|（a是任意实数）．于是他结合所学习的三个非负数的知识，自己编了一道题：已知（x+2）²+|x+y﹣1|=0，求x^y的值．请你利用三个非负数的知识解答这个问题