题目

若点M(a﹣3，a+1)在y轴上，则M点的坐标为______． 答案：【答案】【解析】根据y轴上点的横坐标为0列方程求出a的值，然后求解即可．点在y轴上，，解得：，所以，，所以，点M的坐标为．故答案为：．根据短文内容，从下面方框中选择适当的短语填空，使短文内容完整正确。A: I’ve got a problem. I can’t sleep at night and I feel very tired in the morning.B: Lots of people have that problem. Are you 1. something?A: I think about exams a lot. That’s why I can’t 2. . I’m afraid I’m going to fail.B: Maybe if you prepare a study plan ahead, you can organize your time better and feel more confident.A: You’re right. I’m not organized, and I often have my books open, 3. , I never know which one to read first.B: I think 4. things you need to do and planning when to do them will help you. And you’ll feel better if you only do one thing at a time.A: Anything else ?B: Yes, you should pay no attention to anyone who 5. you.A: OK, thank you very much.B: It’s my pleasure.