题目

从方框内所给的选项中选择恰当的句子完成此对话。（有两个多余选项）（Betty meets Mary before the English exam of their entrance exams.）A: Hello, Mary!B: Hello, Betty! Finishing the exams this afternoon means that our middle school life is over.A: 【1】B: I’m going to do something special.A: Something special?【2】B: Sure. I plan to make breakfast for my parents every morning as they have done for me these years.A: You’re right.B: 【3】A: I’ve planned to play with my classmates from morning to evening every day.【4】 I will stay with my parents as m关于热带雨林生态系统，下列叙述不正确的是(　    )A．动植物种类繁多，群落结构复杂B．高温多雨，分解者的活动旺盛C．恢复力稳定性比草原生态系统强D．可用样方法调查某物种的种群密度