Unit 6 Section Ⅱ Understanding the Text（课件）-【创新思维】2022-2023学年新教材高中英语选择性必修第四册同步导学案（外研版2019）

Section Ⅱ　Understanding the Text 外研英语 选择性必修 第四册 必备知识 通课文 质量评估 提能力 课时作业 知能提升  Part 1　Understanding ideas   　　　　　　　　　　The Call of the Challenger Ever since Neil Armstrong first set foot on① the Moon back on 20 July 1969，people have become accustomed to② the notion③ of space travel. Millions watched that first lunar④ landing on black and white television sets，their hearts in their mouths⑤，aware of⑥ how arduous⑦ 外研英语 选择性必修 第四册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 and hazardous⑧ an undertaking⑨ it was，and of the many things that could go wrong 10 2．With Armstrong's now famous words “That's one small step for man，one giant leap for mankind”，what had once been considered impossible had now been achieved.Guided by a computer that was much less powerful than the ones used by today's average⑪ school students， all three astronauts of the Apollo 11 mission⑫ made it⑬ safely back to Earth. 外研英语 选择性必修 第四册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 [读文清障] ①set foot on登上，踏上 ②become accustomed to习惯于(做)某事 ③notion/'nəʊʃ(ə)n/n.概念；观点；看法 ④lunar adj.月亮的 ⑤one's heart in one's mouth某人的心提到嗓子眼 ⑥be aware of意识到 外研英语 选择性必修 第四册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 ⑦arduous adj.费力的，艰巨的 ⑧hazardous/'hæzədəs/adj.危险的，不安全的 ⑨undertaking n．任务；事业 ⑩go wrong出错 ⑪average adj.普通的；平均的 ⑫mission n．任务 ⑬make it获得成功 外研英语 选择性必修 第四册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 [句式评析] ever since引导的时间状语从句用一般过去时，主句用现在完成时。 形容词短语aware of...作伴随状语；第一个of后接how引导的宾语从句how arduous and hazardous an undertaking it was；第二个of后接宾语the many things；that引导定语从句，修饰the many things。 外研英语 选择性必修 第四册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 what had once been considered impossible是what引导的主语从句，what在从句中作主语，impossible在从句中作主语补足语。  外研英语 选择性必修 第四册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 Following the Moon landings，space travel rapidly became unexceptional⑭ to the public，as innovations⑮ succeeded each other．By the early 1980s，the great rockets previously⑯ used in the American space programme had been replaced by the space shuttle⑰. When the Challenger space shut