Unit6 Section Ⅲ Developing ideas & Presenting ideas-【优化探究】2023-2024学年新教材高中英语选择性必修第二册同步导学案配套PPT课件（外研版）

Section Ⅲ　Developing ideas & Presenting ideas 返回导航 下页 上页 外研英语选择性必修第二册 必备知识 自主学习 关键能力 合作探究 单元写作 能力提升 课堂检测 素养达标 课时作业 巩固演练 返回导航 下页 上页 外研英语选择性必修第二册 Part 1　课文预读 [原文呈现] Plan B：Life on Mars①？ In the 1960s and 1970s，the greatest fear was that the human race，and possibly all advanced② life forms on the planet，could be wiped out③ by nuclear④ missiles，just at the push of a button.Today，however，environmental problems have taken over as⑤ the greatest risk 返回导航 下页 上页 外研英语选择性必修第二册 to life on Earth.Scientists are thinking of ways to lower this risk，such as replacing coal and oil with forms of renewable energy.But they are also preparing for⑥ the worst：what can we do if the terrifying⑦ scenes in films such as The Day After Tomorrow happen in real life？ What is our Plan B for Earth? 返回导航 下页 上页 外研英语选择性必修第二册 that the human race...by nuclear missiles是that引导的表语从句。 if the terrifying scenes in films such as The Day After Tomorrow happen in real life是if引导的条件状语从句。 返回导航 下页 上页 外研英语选择性必修第二册 One option⑧ is to explore other planets to see if we could live on them． The most likely choice is Mars，which is relatively close to Earth and has an environment less hostile⑨ than that of other planets. Mars has fascinated people since ancient times，and today our interest in Martian exploration is greater than ever before.Films such as The Martian enjoy worldwide popularity.More governments and organisations are making efforts to⑩ educate the public on the Red Planet，for example，the Mars Desert Research Station in the Utah desert of the US and the Mars Village in North­west China's Qinghai Province. 返回导航 下页 上页 外研英语选择性必修第二册 to explore...是不定式短语作is的表语；to see...是不定式短语作目的状语；if引导宾语从句，作see的宾语。 which is relatively close to Earth and has an environment less hostile than that of other planets是which引导的非限制性定语从句，对Mars进行补充说明。 返回导航 下页 上页 外研英语选择性必修第二册 Since the 1960s，we have been sending unmanned⑪ spacecraft⑫ to Mars.Our probes have orbited⑬ the planet, sending back valuable data and stunning⑭ images. Our robo