第二封家书是在什么情况下写的？

    Mark lived in a village far away. One day he became very ill and everyone thought he would 1 soon. They sent for a doctor. Two days 2 the doctor came and looked over the sick man.3 asked for a pen and some paper to write down the name of the medicine. But there was no pen 4 paper in the village, because no one could write.

    The doctor 5 up a piece of burnt wood from the fire and wrote the name of the medicine on the 6 of the house. “ Get this medicine for him, and he will get 7 soon. ” he said.  Mark's family and friends did not know8 to do. They could not read the strange words. Then a young man 9an idea. He took off the door of the house, put it on his carriage(马车) and drove to the nearest 10. He bought the medicine there, and Mark was soon well again.

画眉鸟和蚂蚁传递信息的方法分别是（ ）

关于内能、热量、和温度。下列说法中正确的是（）

材料一：***在2017年4月12日的国务院常务会议上强调，“校园应该是最阳光、最安全的地方！”***要求，“针对群众关心、社会关注的校园安全问题，有关部门要严厉打击涉及校园和学生安全的违法行为，特别是暴力犯罪。”

材料二：遏制未成年人欺凌和暴力等行为已成为一个重大课题，引起了国家的重视。2017年12月28日，教育部等11部门联合印发《加强中小学生欺凌综合治理方案》。《治理方案》明确了积极有效预防学生欺凌的四项举措：一是学校加强教育。二是开展家长培训。三是强化学校管理。四是定期开展排查。