Unit 4 Save the trees教案与学案 -2023-2024学年沪教牛津版英语七年级下册

Unit 4 Save the trees Step1 Key points and sentence patterns 单词 词性及词义 词汇拓展 discuss v. 讨论 discussion n.讨论 近义词：talk about branch n. 树枝 复数形式：branches produce v. 产生 product n.产品 major adj. 主要的 近义词: important convenient adj. 方便的 反义词：inconvenient imagine v. 想像，设想 imagine doing sth. 想像做某事 container n. 容器 contain v.包含,容纳 practise v. 训练，练习 practice n. 练习 practical adj. 实用的 practise doing sth. 练习做某事 save v. 拯救 近义词：rescue fight v. 与...作斗争 fighter n.战士 against prep. 反对 be against 反对 be for 支持 example n. 例子 for example 例如 harmful adj. 有害的 harmfully adv.有害地 harmfulness n.坏处，害处 furniture n. 家具 furniture 是不可数名词 disease n. 疾病 近义词：illness dig v. 挖 过去式：dug 过去分词：dug carry v. 搬，扛，背 carry out 执行，实施 词组 词义 词汇拓展 1. cut down 砍倒 cut up 切碎 cut off 切断 2. be harmful to 对....有害 近义词：be bad for 3. talk about 讨论 近义词：discuss 4. take in 吸收 近义词：absorb 5. come from 来自 近义词：be from 6. in fact 事实上 近义词：actually 7. be made of 由...制成（看得出原材料） be made from 由...制成（看不出原材料） be made in 在...地方制作或生产 8. stop doing sth. 停止做某事(不做) stop to do sth. 停下来去做另外一件 事 9. as a result of 因为，由于 近义词：because of Step2课文回顾 Rebecca is interviewing Dr. Jones about trees in order to learn more about them. Dr. Jones tells her that trees help us 1. __________ many ways. They keep the air cool and clean. They take in 2. __________ (harm) gases from the air and produce oxygen for us 3. __________ (breathe). They help to fight against air pollution. Just 4. __________ Rebecca says, they also make our lives 5. __________ (much) convenient. There 6. __________ (be) a lot of things coming from trees, such as paper pencils, fruit, oil and tea. Even a lot of furniture in the room is 7. __________ (make) of wood. So trees are really important in 8. __________ (we) daily lives. However, 9. __________ (million) of trees are cut down by us every year. At last, she tells Rebecca that we human beings should stop 10. __________ (do) this, or th