Unit 2 Out of This World-Assessment 教案-2025-2026学年高中英语译林版选择性必修第三册

Unit 2 Out of This World-Assessment 教学目标和重难点 1. 教学目标 Language Ability: Master space-related vocabulary and complex sentences to express space exploration views fluently. Cultural Awareness: Understand global space exploration achievements and respect diverse scientific cultures. Thinking Quality: Develop logical and critical thinking through analyzing space issues. Learning Ability: Cultivate autonomous and cooperative learning skills in space-themed tasks. 2. 教学重难点 Key Points: Master core vocabulary (astronomy, spacecraft, universe, etc.) and grammar structures; grasp the main idea of space-themed texts. Difficult Points: Use complex sentences to describe space exploration; conduct in-depth discussion and critical thinking on space issues. 教学过程 1. Lead-in: Activate Prior Knowledge and Arouse Interest The teacher starts the class by showing a short video about space exploration, including scenes of spacecraft launching, astronauts working in space, and beautiful views of the universe. After playing the video, the teacher asks students two questions: “What do you see in the video?” and “What do you know about space exploration?”. Then, the teacher invites several students to share their answers freely. After that, the teacher writes down the key words mentioned by students (such as moon landing, spaceship, astronaut, Mars) on the blackboard and connects them with the unit theme “Out of This World”. Finally, the teacher introduces the assessment objectives of this unit, emphasizing that they will comprehensively check their language application ability, thinking quality and other core literacy through a series of tasks. Design Intention: The short video can quickly attract students' attention and immerse them in the space-themed context, which helps to reduce their psychological distance from the unit content. Asking open questions encourages students to actively use the knowledge they have mastered to express their views, activating their prior knowledge reserve. Writing down key words on the blackboard helps to sort out the thinking of students and lay a foundation for the subsequent teaching links. Introducing assessment objectives in advance enables students to have a clear understanding of the learning focus and direction, improving the pertinence and effectiveness of learning. 2. Vocabulary and Grammar Review: Consolidate the Foundation for Assessment First, the teacher organizes a “vocabulary quick response” activity. The teacher shows the English definitions of core vocabulary in the unit (such as astronomy, spacecraft, universe, asteroid, astronaut, astronomy, disaster), and students are required to answer the corresponding English words quickly. For the words that students answer incorrectly or hesitantly, the teacher explains their pronunciation, part of speech, meaning and common collocations in detail, and gives example sentences related to space exploration (e.g., “Astronauts need to undergo strict training before going into space.” “Astronomy is the study of the universe and celestial bodies.”). Then, the teacher focuses on reviewing the key grammar points of the unit, mainly the usage of relative clauses and modal verbs to express possibility and necessity. The teacher first gives typical example sentences (e.g., “The spacecraft that was launched last month has successfully entered the predetermined orbit.” “We must take measures to protect the space environment.”), and then asks students to analyze the structure and usage of the grammar points. After that, the teacher assigns a small exercise: let students complete the sentences with the correct form of the given words or the appropriate relative pronouns/modal verbs. After students finish, the teacher checks the answers in class, corrects mistakes in time, and explains the difficult points again. Design Intention: Vocabulary and grammar are the basis of language application, and reviewing them is an important prerequisite for the smooth development of the assessment. The “vocabulary quick response” activity can stimulate students' learning enthusiasm and test their mastery of core vocabulary in a timely manner. Explaining words and grammar points in combination with space-themed example sentences can help students connect knowledge with the unit theme, deepen their understanding and memory. The small exercise after the review can help students consolidate the reviewed knowledge in time, find out their own weak links, and lay a solid foundation for the subsequent reading, listening, speaking and writing assessment tasks. 3. Listening Assessment: Improve Listening Comprehension and Information Extraction Ability The teacher distributes listening assessment materials to students, which includes two parts: short conversations and a long passage. The short conversations are about daily discussions on space exploration (such as talking about the latest space mission, the life of astronauts in space, etc.), and the long passage is an introduction to the development history of China's space exploration, involving key events such as the launch of Shenzhou spacecraft and the landing of Chang'e probe. Before playing the listening material, the teacher guides students to read the questions and options carefully, and teaches them listening skills: pay attention to key words (such as time, place, number, opinion) and logical connectives (such as but, however, therefore) to predict the content of the listening material. Then, the teacher plays the listening material twice: the first time for students to get the general idea, and the second time for students to answer the questions carefully. After the listening, the teacher organizes students to exchange answers in groups of four, and then invites each group to send a representative to report the group's answers. For the questions with great controversy, the teacher plays the corresponding part of the listening material again, analyzes the listening content in detail, and explains the reasons for the correct answers. Finally, the teacher summarizes the common mistakes in students' listening process (such as missing key information, misunderstanding the meaning of words, ignoring logical relationships) and puts forward corresponding improvement suggestions. Design Intention: Listening assessment is an important part of language ability assessment, which can test students' ability to understand oral English and extract key information in a specific context. The listening material is closely related to the unit theme of space exploration, which can not only assess students' listening level, but also enrich their knowledge of space exploration. Guiding students to master listening skills before listening can help them improve their listening efficiency and accuracy. Organizing group exchange activities can promote students' mutual learning and help them find out their own mistakes in time. Summarizing common mistakes and putting forward improvement suggestions can help students clarify their weak points in listening and provide direction for their subsequent listening practice. 4. Reading Assessment: Enhance Text Comprehension and Critical Thinking Ability The teacher distributes two reading passages to students. Passage 1 is an argumentative essay titled “Is Space Exploration Worthwhile?”, which discusses the advantages and disadvantages of space exploration (such as promoting scientific and technological progress, but costing a lot of money and resources). Passage 2 is a narrative essay about an astronaut's space travel experience, describing the challenges and gains in the process of space travel. First, the teacher asks students to read the two passages quickly and complete the “gist matching” task: match each passage with its main idea. Then, the teacher asks students to read the passages carefully and complete the following tasks: 1) Answer detailed questions (focusing on the key information in the passages, such as the advantages of space exploration mentioned in Passage 1, the challenges the astronaut encountered in Passage 2); 2) Judge true or false (focusing on the understanding of details and logical relationships); 3) Analyze the author's attitude (ask students to find out the sentences that reflect the author's attitude towards space exploration in Passage 1 and explain the reasons). After students finish the tasks, the teacher checks the answers one by one, and focuses on analyzing the difficult questions and the sentences that reflect the author's attitude. Then, the teacher organizes a class discussion: “Do you think space exploration is worthwhile? Why or why not?”. Students are required to express their own views and support them with reasons (combined with the content of the passages and their own knowledge). During the discussion, the teacher guides students to think from multiple perspectives, encourages them to put forward different opinions, and cultivates their critical thinking ability. Design Intention: Reading assessment is an important way to test students' text comprehension ability and thinking quality. The two reading passages cover different genres (argumentative essay and narrative essay), which can comprehensively assess students' ability to understand different types of texts. The “gist matching” task tests students' ability to grasp the main idea of the text quickly, while the detailed questions and true or false questions test their ability to extract and understand key details. Analyzing the author's attitude and organizing class discussion can guide students to go beyond the surface understanding of the text, conduct in-depth thinking and critical analysis, which is in line with the requirements of cultivating students' thinking quality in core literacy. At the same time, the discussion topic is closely related to the unit theme, which can stimulate students' enthusiasm for participation and improve their ability to express their views in English. 5. Speaking Assessment: Improve Oral Expression and Interactive Communication Ability The speaking assessment is carried out in groups of four, with each group completing a group discussion and a role-play task. The theme of the group discussion is “Future Space Exploration”, and the specific requirements are: each student in the group should put forward at least one idea about future space exploration (such as space tourism, Mars colonization, space environmental protection) and explain the reasons. After the group discussion, each group needs to conduct a role-play: one student acts as a reporter, and the other three students act as astronauts, scientists and ordinary people respectively. The reporter interviews the other three people about their views on future space exploration. The teacher gives students a few minutes to prepare, and during the preparation process, the teacher walks around the classroom, provides guidance for students who have difficulties in expression (such as providing appropriate vocabulary and sentence patterns), and reminds students to pay attention to their pronunciation, intonation and interactive communication skills. After the preparation, each group takes turns to present their group discussion and role-play in front of the class. After each group's presentation, the teacher and other students evaluate them from the aspects of content completeness, language fluency, pronunciation and intonation, and interactive communication. The teacher affirms the advantages of each group and puts forward targeted improvement suggestions (such as adding more details to the expression, improving the fluency of the dialogue, etc.). Design Intention: Speaking assessment focuses on testing students' oral expression ability and interactive communication ability, which is an important part of language ability. Group discussion and role-play tasks are in line with the characteristics of senior high school students' learning, which can stimulate their enthusiasm for participation and create a relaxed oral communication environment. Allowing students to prepare in advance can reduce their nervousness and improve the quality of their presentation. The teacher's on-site guidance can help students solve the problems encountered in the preparation process in time, and the evaluation after the presentation can help students understand their own advantages and disadvantages in oral expression, and provide direction for their subsequent oral practice. At the same time, the theme of the speaking task is closely related to the unit theme, which can help students consolidate the knowledge they have learned and improve their ability to apply language in practical communication. 6. Writing Assessment: Enhance Written Expression and Logical Organization Ability The writing task is to write an argumentative essay with the title “The Significance of Space Exploration”, requiring students to combine the knowledge and views learned in the unit, clarify their own views on the significance of space exploration, and support their views with sufficient reasons and examples. Before students start writing, the teacher guides them to sort out the writing ideas: first, put forward the topic and their own views; then, list the reasons to support the views (such as promoting scientific and technological progress, expanding human horizons, solving the problems of earth resources, etc.), and each reason is supported by specific examples; finally, summarize the views and look forward to the future of space exploration. The teacher also provides some useful vocabulary and sentence patterns for students (such as “In my opinion”, “First of all”, “What's more”, “For example”, “In conclusion”, “promote the development of science and technology”, “broaden human horizons”). Then, students start to write independently. During the writing process, the teacher walks around the classroom, provides guidance for students who have difficulties in writing (such as helping them sort out ideas, correct grammatical mistakes), and reminds students to pay attention to the logical organization, language fluency and correctness of the article. After students finish writing, they exchange their articles in groups, and each student puts forward modification suggestions for their group members' articles (such as modifying inappropriate sentences, adding relevant examples, improving logical connections). Then, the teacher collects some representative articles (including excellent articles and articles with common problems), comments on them in class, affirms the advantages of excellent articles, and points out the common problems in the articles (such as unclear views, insufficient reasons, grammatical mistakes, poor logical organization) and puts forward modification suggestions. Finally, students revise their own articles according to the teacher's comments and group members' suggestions. Design Intention: Writing assessment is an important way to test students' written expression ability and logical organization ability. The argumentative essay task is in line with the requirements of senior high school English writing, which can test students' ability to clarify views, organize materials and express ideas in written English. Guiding students to sort out writing ideas and providing useful vocabulary and sentence patterns can help students overcome the difficulty of “not knowing what to write” and “how to write”, and improve the quality of their writing. Organizing group exchange and revision activities can promote students' mutual learning, help them find out their own mistakes in writing, and improve their ability to revise articles. The teacher's class comment can help students understand the key points and common mistakes of argumentative essay writing, and provide direction for their subsequent writing practice. Revising their own articles can help students consolidate the knowledge they have learned and improve their written expression ability. 7. Summary and Reflection: Consolidate Assessment Results and Improve Learning Efficiency First, the teacher summarizes the whole assessment process, reviews the key points of vocabulary, grammar, listening, speaking, reading and writing in the unit, and emphasizes the connection between each assessment link and the four-dimensional core literacy. Then, the teacher asks students to conduct self-reflection: “What did you do well in this assessment? What are your shortcomings? What measures will you take to improve your shortcomings?”. Students are required to write a short self-reflection in their exercise books. After students finish writing, the teacher invites several students to share their self-reflection. Finally, the teacher makes a summary comment, affirms the progress made by students in the unit learning and assessment, encourages students to continue to work hard, and puts forward specific requirements for their subsequent learning (such as strengthening the memory of core vocabulary, doing more listening and speaking practice, reading more space-themed articles, etc.). Design Intention: Summarizing the assessment process helps students sort out the knowledge and skills they have learned in the unit, and clarify the connection between each learning link and core literacy. Self-reflection is an important part of learning ability training, which can help students realize their own advantages and disadvantages, and improve their learning initiative and self-regulation ability. Inviting students to share their self-reflection can promote mutual learning and common progress among students. The teacher's summary comment and learning requirements can guide students to make clear the direction of subsequent learning, consolidate the assessment results, and improve learning efficiency. 1 / 1 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $