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Unit 4 Save the trees Trees in our daily lives root branch leaf fruit trunk What do trees do for us? They help us fight against pollution. They provide us with wood, fruit, etc. They are home to birds and animals. They provide wood, fruit, etc. for us. help sb. (to) do sth./help sb. with sth. She often ____ clean the room. A. wants B. makes C. plans D. helps 2. I often help my mum do the housework. I often help my mum ____ the housework. fight against… 与…作斗争 fight for…为…而战 1.Trees can fight ___ pollution. A. with B. for C. against D. at 2.The twins often _____ with each other when they were young. (fight) 3. Trees fight against air pollution. Trees ____ ______ against air pollution. with fought are fighters provide sb. with sth.=provide sth. for sb. 提供给某人……,为某人提供…… We ___ the students in that place with school things. A. gave B. take C. bring D. provide 2. The police provided me with some help. The police provided some help ____ me. for Trees are important in our daily lives everyday adj. low-carbon life Trees in our daily lives Reading Repeat the text after the tape. Who is Rebecca interviewing? 2. What does Rebecca want to know? 3.Do trees help us in many ways? 4. Why are trees major fighters against air pollution? Dr. Jones. She wants to know more about trees and how they help us. Yes, they do. Because they keep the air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. by the way 顺便说一下 in a way 在某种程度上 in this way 用这种方法 in the way of 妨碍某人 on the way to 在去……的途中 Teachers help us ______. with many ways B. in many ways C. to our work D. in the way way: n. 方法,手段(method);习俗,习惯,行为方式;(行事)作风,(某事发生的)方式;道路,路线;方向(direction);出入通道, They keep the air cool and clean. keep: 使维持(某种状态) keep + n. + adj. keep him awake keep + n. + adv. keep the boy outside keep + n. + doing keep me waiting 1. We should do some exercise to keep us ________(health). 2. We should ____ th