【正文】
difficult to breathe on a pla that has/with much thinner air than that on the Earth. 4. On Mars there might be people who carry/with air tanks on their backs. 【設(shè)計意圖 :讓 學 生將定語從句改為簡單句 ,同時為他們示范句中哪里改,怎樣改。 】 Step 3 Practice 1. Change the sentences into simple sentences (1) The girl who is wearing a hat is Lucy King. The girl with a hat is Lucy King. (2) I prefer to stay in a hotel room which has a sea view. I prefer to stay in a hotel room with a sea view. (3) The man who wears a blue shirt is our English teacher. The man in a blue shirt is our English teacher. (4) Do you know the girl who is holding two books in her hand? Do you know the girl with two books in her hand? (5) We saw the glasses that were on the table fall off onto the floor. We saw the glasses on the table fall off onto the floor. 【設(shè)計意圖 : 以訓練為主線,鞏固消化 。 】 2. Finish Part C2 T: Replace each of the underlined parts with another expression. 【設(shè)計意圖 :對本課所學知識進行檢測、鞏固。 】 Step 4 Conclusion T: Is it difficult to imagine what life will be like on Mars. It’ s time for us to protect the Earth. 【設(shè)計意圖 :情感升華,教育學生保護壞境。 】 V. Homework 1. Review the grammar learned in the class. 2. Finish more exercises.