2012年11月2日下午，江苏扬州大学附中17岁学生徐砺寒，在骑车上学途中不慎剐蹭到一辆宝马车，在原地等了近半个小时没等到车主，急着上学的她就在车上留下“联系字条”，欲事后赔偿。他的做法告诉我们（   ）

如图是生产者、消费者和分解者的关系示意图，根据食物链的概念，正确的食物链是（  ）

在一堂物理活动课上，同学们正以“假如失去……”为主题展开讨论。下列是由四位同学提出的具有代表性的观点，你认为错误的是（      ）

根据短文理解，选择正确答案填空。 

    Jim is a junior high school student. He gets up 16:30 every morning. His home is near his school. He 2home after breakfast. He goes to school on foot. This is good for his 3. He has four lessons in the morning. He has lunch at home. After lunch he goes to school again. In the afternoon, Jim has lessons . He likes English and PE lessons. He has PE lessons on Tuesday and Friday. He is good at4football and basketball. He is also good at the high jump. His PE teacher likes5 very much. He often plays football with his classmates after school.