Unit 3 Sea Exploration Assessing Your Progress 课件-2023-2024学年高二英语人教版（2019）选择性必修第四册

Unit 3 Period 5 Assessing Your Progress 1.复习本单元的重点词汇、短语以及不定式的功能用法； 2.通过学习海洋相关的语言知识，能够为世界海洋日设计海报； 3.通过观看视频，了解我国海洋科学研究的进步。 学习目标 新 课 导 入 Say the meaning of these words or phrases as quickly as possible! murder log profession coverage in hand tale mixture extend mercy set sail opponent royal negotiate possession withdraw arrest 课 堂 学 习 1 Complete the sentences with the correct forms of the words in the box. applaud directory opponent murder log 1. After finishing his workout, he updated his fitness ______. 2. In the final match, his_________ will be stronger and more experienced. 3. In a classical music concert, the audience___________ politely at the end of the performance. 4. I couldn't find your name in the telephone_________. 5. A $5 million reward has been announced for information leading to the arrest of those responsible for the _____________. log opponent applauded directory murder 动词不定式的时态和语态形式 动词不定式没有人称和数的变化，但有时态和语态的变化。具体形式如下表所示（以do为例）： 语态 时态 主动语态 被动语态 一般式 to do to be done 进行式 to be doing   完成式 to have done to have been done 完成进行式 to have been doing   动词不定式在句中可以作主语、表语、宾语、定语、状语和补语等多种成分。 Complete the passage below with the proper forms of the verbs in brackets. 2 Have you ever seen a seal? It has a round belly with a thick skin _________ (keep) itself warm. Its big eyes seem______ (be) those of an innocent child. When you look into its eyes, you may feel closely _____________ (connect) to it. Actually, people in ancient times did believe seals and human beings_______ (be) the same. As legend has it, an old couple by the sea once heard a baby________ (cry). They hurried to the water, only_________ (find) a baby seal there. They took it back home, fed it, and raised it as their son. Gradually, the baby seal grew up, __________ (look) just like a human being. The old couple allowed him ________ (go) anywhere except near the sea. The son loved his parents so much that he promised ___________ (not swim). to keep to be c