2019-2020年高中英语Unit3BacktothePastWordPower(thefirstperiod)Teaching objectives:1. Can develop the students ability of using the target language in real situation.2. Can enlarge the students vocabulary by learning some words about archaeology.3. Can expand the students knowledge archaeology.4. .Can help the students grasp the use of some monly used pair nouns and group nouns.Teaching methods:1. Students-centered.2. Teacher and students interaction3. Multimedia way.Task 1. Teach the pair nouns and group nounsStep 1. Help the students to get the idea about pair nouns and group nouns by looking at some pictures. e.g. a pair of sacksa flock of birdsa herd of horsesStep 2. Label each picture, using an expression including a word in the box.( p.46)Step 3. Help the students to summer up pair nouns and group nouns.Task 2. Learn some words and information about archaeology.Step 1. Students read Part A carefully, paying attention to the word in blue.Step 2.Students read and fill in the blanks of Part B.Step 3. Students have a group discussion and find out words related to the subject on archaeology.Step 4. Ask the students to write out as many words as possible.Task 3. Homework1. Remember the pair nouns and group nouns.2. Preview the grammar.