Unit 2 My favorite subject is science. Section B 知识梳理 一、描述性词汇———形容词adj. 1. cool adj.（外表）酷酷的；（天气）凉爽的；（心情）冷静的 2. free adj. （时间上）有空的；（价格上）免费的；（身心）自由的 二、时间的表达 1. 从几点到几点： from ... to ... 2. 持续...时间： for+时间段 三、常用表达、固定搭配 say 三单：says 2. finish 三单：finishes class 复数classes 4. 一小时 an hour 5. 在那之后 after that 6. 忙于做某事 be busy with sth. / be busy doing sth. 7. 完成做某事 finish sth. / finish doing sth. 8. 不得不做某事；必须做某事have to do sth. 四、重点句型 你怎么了？ What’s wrong (with you)? 语文难但有趣。 Chinese is difficult but interesting. 体育课轻松又有趣。 P.E. is easy and fun. 我今天有两节数学课。 I have two math classes today. 我现在必须走了！ I have to go now! 音乐课见。 See you at music class. 周五我非常忙。 I am very busy on Friday. 早上我忙于读英语。 I am busy reading English in the morning. 晚上我忙于写作业。 I am busy with my homework in the evening. 老师说数学非常有用，但我认为它很难。 The teacher says math is useful, but I think it is difficult. 午饭时间是从12点到下午1点。 Lunch is from 12:00 to 1:00. 1:50我就上完所有的课了。 My classes finish at 1:50. 不过之后我还有一节两个小时的艺术班的课。 But after that I have an art lesson for two hours. 谢谢你的帮助。 Thank you for your help. (help n.) / 谢谢你帮助我。 Thank you for helping me. (help v.) 你觉得那样可以吗？ Is that OK with you?
