A:making u
B:make u
C:to dress u
D:dressed u
如图表示某生态系统中食物网的图解,下列相关叙述正确的是( )
下列属于免疫缺陷病的是( )
你对“过去我们吃青蛙,现在虫子吃庄稼”的正确理解是( )
①人类肆意捕杀野生动物,破坏了生态环境 ②生态平衡遭破坏,给人类带来了巨大的危害
③人类的末日已经来临 ④人类自作自受
—Jenny, would you like to go hiking with me on Sunday or Saturday?
—_______ day is OK. I am free all this weekend anyway.