用方框中的单词填空，使语篇意思完整通顺。
| science help time well classmates |
Some students don't like science. They think it's difficult. And here is what you can do.
● Listen well in class. The science teacher knows much. When you listen , you can know much, too. So be a careful (仔细的) student and listen well. And you can ask your teacher for help if you don't know in class.
● Ask your classmates for help. Your science teacher isn't always with you. When you find a problem is too difficult, you can ask your , too. A classmate is a good friend. He or she must be happy to you.
● Practice(练习) it every day. Do you want to be good at science? It needs . You can't learn it well in a day. So practice it every day, and you can find it easy. Math is a great subject. Let's learn it well.
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