题目

维持生态平衡必不可少的生物是（   ） A．生产者和草食动物                                    B．生产者和分解者 C．肉食动物和分解者                                    D．草食动物和肉食动物 答案：B根据下面表格所提供的内容，把Jane的下周安排写成一篇不少于60词的作文. Sunday go to her uncle’s Monday finish her science report Tuesday go to the dentist’s Wednesday have a piano lesson from 18:00-20:00 Thursday study for a math test Friday go to the movies with  Lily in the evening Saturday play tennis with her friends