下列变化中，一定发生了化学变化的是 A．蜡烛熔化 B．酒精燃烧 C．干冰升华 D 发布时间：2017-05-28 11:29 │ 来源：www.tikuol.com 题型：选择题 问题： 下列变化中，一定发生了化学变化的是A．蜡烛熔化B．酒精燃烧C．干冰升华D．玻璃破碎
题型：选择题 选择合适的建议填在括号内。( )1. Whatever I do, I always think about if other people will like. How can I stop worrying about what they think?( )2. My dream is to be on the Olympic team for swimming. My dad thinks I started too late and I'll never be able to make it. What should I do?( )3. What should I do if I failed a test? I'm afraid to tell my mom because she might get mad at me and I can't play soccer.( )4. I just came to a new school and I'm kind of shy, so how do I make new friends? ( )5. I am good at all subjects except English. I can't remember words well. And I am weak in speaking and listening. What shall I do? A. When you failed a test, it's better to tell your mom the truth than for her to find out another way. Ask her if she can help you study in the future. B. It's a good way to join an English language club to practice speaking English. And you can make a vocabulary list, too. C. In your new school, just go over to someone who looks friendly and talk with him or her. You can ask that person about your teacher or the other kids in your class. Good luck! D. Just be yourself and try not to care about what others think. The more you think about it, the worse you will feel. Just relax. E. You should tell your dad about your dream and that if you work really hard, it might happen even though you start late. F. Reading books might be a good idea. You can learn a lot from reading books. 查看答案