Unit 4 lesson 3 Internet and friendships 单词课件 2022-2023学年高中英语北师大版（2019）必修第二册

Information Technology Unit 4 Lesson 3 harm /hɑːm/ vt.&n. 伤害,损害 e.g. Smoking can harm your health. 1. harm v.伤害 n.损害;伤害 【教材原句】Do you think the Internet helps or harms friendships? 你认为网络是促进友谊还是伤害友谊? 【归纳拓展】 (1)do harm to sb/sth=do sb/sth harm对某人/物有害 do no harm to sb/sth 对某人无害 (2)harmful adj.有害的 be harmful to 对……有害 harmless adj.无害的 be harmless to 对……无害 It is evident that smoking is harmful to health. 单句填空 (1)Reading in bed will often do harm our eyes. (2)Air pollution is (harm) to our health. 同义句转换/翻译句子·背诵 (3)Staying up constantly can harm your health. →Staying up constantly can your health. (4)I think this plan will do more harm than good. to harmful do harm to/be harmful to 我认为这个计划弊大于利。 Words and Expressions argument /ˈɑːɡjumənt/ n. 论点;论据 e.g. His argument was that public spending must be reduced. 2. argument n.论点;论据;争吵,争辩 【教材原句】Identify one sentence for each argument that states this general idea. 为每一个论点确定一个陈述这一基本观点的句子。 【归纳拓展】 (1)have an argument with sb和某人争吵 heated argument激烈的争论 win/l