题目

短文填空 从方框中选择适当的词并用其正确形式填空，使短文完整、通顺。每空一词，每词限用一次。 lose late something so careful experience from worry they shareTeenagers often have lots of problems and 【1】. Sometimes they have problems with the schoolwork and sometimes with 【2】friends. How to deal with them?I remember an example of a middle school girl, Nancy. She once 【3】 her wallet and was afraid to tell her parents about it. 【4】 she walked to school every day. A week 【5】, she couldn't stand it any more because it was too far from h在室温下，用绷紧的橡皮膜把一空锥形瓶的瓶口封上，然后把瓶子放入热水中，橡皮膜会凸起来。过一会，再把瓶子放入冰水中，下列关于瓶内气体的描述正确的是（　　）A. 分子的无规则运动会加剧 B. 内能会增多C. 密度会减小 D. 压强会减小