【正文】
patterns 1. Trees cool the air as well as clean it 2. They make streets more beautiful and less noisy. 3. Trees are municating with one another. 三 Language points : 1. on earth = in the world 在世界上 on the earth 在地球上 2. living a. alive now 有生命的 作定語 . He’ s the world’ s most famous living artist. 他是世界上最著名的仍然健在的藝術家。 . The news made him very happy. 這條消息使他很高興。制成 ( 看不出原材料) be made in 在。 保持某種狀態(tài) . An airconditioner can kept the room clean. Keep 可 作系動詞,后面直接加形容詞 四 Exercises: I. Choose the best answer: ( ) 1. The teacher often asks us _______ carefully during the class. A. listen B. to listen C. listening D. listened ( ) 2. After having his meal, Jack continued ________ puter games. A. plays B. to play C. playing D. played ( ) 3. Mrs. Li goes to _______ her son from school every afternoon. A. meet B. see C. visit D. collect ( ) 4. If it ________ tomorrow, we will have a piic. A. not rain B. won’t rain C. doesn’t rain D. isn’t r ain ( ) ________ the hobby group thre