【创新设计】2016-2017学年高中英语 Unit 1 Women of achievemen Period One Warming Up，Pre-reading Reading课件 新人教版必修4.ppt

[易混辨析] 　worthwhile/worth/worthy (1)worthwhile可作表语或定语。表示某事因重要、有趣或受益大而值得花时间、金钱或努力去做，一般作“值得的；值得做的；有意义的”解。作表语时，可接动名词或动词不定式。 (2)worth只能作表语，意为“值……的；相当于……的价值的；有……价值的；值得……的”，后接名词、动名词的主动形式(来表达被动意义)。 (3)worthy与worthwhile一样既可作表语，又可作定语。作定语时意为“有价值的；值得尊敬的；应受到赏识的”；作表语时意为“值得……的；应得到……的”，其后接of sth.，也可以接to be done。 答案 (1)一句多译 这座古城值得参观。 ① (worth) ② (be worthy of) ③ (be worthy to) ④ (worthwhile) (2)单句改错 It isn’t worth quarrelling with her about such little things. [即时跟踪] worthwhile The old city is worth a visit/visiting. The old city is worthy of being visited. The old city is worthy to be visited. It’s worthwhile to visit/visiting the old city. [语境感悟] 4 (1)(教材P2)She spent years observing and recording their daily activities. 她花了多年时间来观察并记录它们(黑猩猩)的日常活动。 (2)Everyone should strictly observe the laws in our country. 在我们国家，人人都应该严格遵守法律。 (3)I observed her come in and go upstairs. 我看到她走进来上了楼。 (4)Scientists have observed the behavior of birds over the past years. 科学家们在过去几年观察鸟类的行为。 observe [归纳拓展] (1)observe vt.观察；看到，注意到；监视；观测；遵守(规则、法律等)；庆祝，欢度 (2)observation n.观察，观测；评论，评述 (3)observer n.观察者；注视者；遵守者 [名师点睛] 　observe sb.do sth.在变成被动语态时，应添加省掉的不定式符号to。 答案 (1)写出下列句子中observe的汉语意思 ①I felt he was observing everything I did. _____ ②I observed a stranger slip into the office. _____________ ③Everyone should observe the traffic rules. _____ ④Do they observe Christmas？ ___________ (2)用所给动词的正确形式填空 ①I observed a stranger (chat) with my father when I went into the house. ②He also did pioneer work in the field of weather