人与社会 topic 21 invention and production(课件PPT)-【中考通·分层练中考】2023中考英语复习学案（课标版 河南专用）

人与社会|Topic 21 Invention and Production 主题语境 分层跟练 目录 CONTENTS 温馨提示 | 鼠标轻轻一点，内容立即呈现 回归教材 夯实基础 话题词句 分类强化 请课前先完成《分层学案》P189—P190的词汇自测表 2022版课标主题链接 教材单元链接 该话题情境，属于“科学与技术”这一主题群，涉及子主题“科学技术与工程，人类发明与创新”。 九上 Unit 4 Topic 1 When was it invented？ Topic 2 I'm excited about the things that will be discovered in the future. Topic 3 China is the third nation that sent a person into space. 人与社会|Topic 21 Invention and Production 返回导航 ►原文呈现 There is no doubt that computers are very useful in technology and business.毫无疑问，电脑在技术和商业领域中很有使用价值。(九上P101) 人与社会|Topic 21 Invention and Production 返回导航 ►精讲 人与社会|Topic 21 Invention and Production 返回导航 ►精练 1.There is ____ doubt that the Internet plays an important role in our life. But the influence of the Internet on students is still ____ doubt. On the one hand, I never doubt ______ it can provide lots of information for students. On the other hand, I doubt _____________ students can really control themselves when they use the Internet. no in that whether/if 人与社会|Topic 21 Invention and Production 返回导航 ►原文呈现 Our scientist warns that if robots start to think for themselves, they will no longer want to be our servants, but our masters.科学家警告说，如果机器人开始自己思考，它们将不再想做我们的仆人，而是我们的主人。(九上P103) 人与社会|Topic 21 Invention and Production 返回导航 ►精讲 人与社会|Topic 21 Invention and Production 返回导航 ►精练 2．He has been warned ___________ the danger of driving after drinking. 3．He warned us ___________ the serious situation. 4．The teacher warned him _____________ (play) computer games too much. of/about of/about not to play 人与社会|Topic 21 Invention and Production 返回导航 ►原文呈现 It's made of metal.它是由金属制成的。 (九上P81) ►精讲 词组 含义及用法 be made of “由……制成的”，后接制作原材料，其中原材料未发生化学变化，从成品中仍可看得出原材料。 人与社会|Topic 21 Invention and Production 返回导航 词组 含义及用法 be made from “由……制成的”，后接制作原材料，其中原材料发生了化学变化，从成品中看不出原材料。 be made in “在……制造”，后接地点/国名。 be made by “由……制造”，后接动作的执行者(生产者/制造者)。 be made for “为……而制造”，后接人或物。 be made into “(原材料)被制成……”，后接成品。 be made up of “由(某几部分)组成”，后接组成部分。 人与社会|Topic 21 Inven