Unit 6 Survival Developing ideas语言点课件 2022-2023学年外研版（2019）高中英语选择性必修第二册

Please enter the appropriate content here to illustrate the main content of this template. 分享人：漫漫 SB2U6 Plan B:Life on Mars? (Language points) In the 1960s and 1970s, the greatest fear was that the human race, and possibly all advanced life forms on the planet, could be wiped out by nuclear missiles, just at the push of a button. advanced/lower life forms 高级/低级的生命形式 wipe out 彻底摧毁；消灭 nuclear missiles 核导弹 at the push of a button 引申为“轻易地，容易地” ◆advance n. 前进，进步，进展 v. 前进，促进，提前 make great advances in 在...取得巨大进步/进展 ◆advanced adj. 高等的，先进的，高级的 Translation 在20世纪6070年代，最大的恐惧是，只需按下一个按钮，人类--甚至可能是地球上所有的高级生命体--就可能被核导弹彻底毁灭。 Scientists are thinking of ways to lower this risk, such as replacing coal and oil with forms of renewable energy. lower this risk 降低这种风险 renewable energy 可再生能源 replace vt. 取代；替换；代替；把...放回原处 replace ... by/ with... 用...替换... replace ... as ... 取代...而成为... But they are also preparing for the worst: what can we do if the terrifying scenes in films such as The Day After Tomorrow happen in real life? ◆prepared adj.准备好的 be prepared for sth.=get ready for sth. 为…做好准备 be prepared to do sth. 准备做某事 ◆prepare v. 准备 prepare sth. 准备…… prepare for sth. 为……做准备 prepare sth. for... 为……准备某物 prepare sb. for sth. 使某人为……进行准备 prepare to do sth. 准备做某事 ◆preparation n. 准备 make preparations for... 为……做准备 in preparation for为……做准备 The most likely choice is Mars, which is relatively close to Earth and has an environment less hostile than that of other planets. 可能性最大的选择是火星，它离地球相对较近，环境也不像其他星球那么恶劣。 More recently, scientists have succeeded in growing a variety of plants in an environment similar to that on Mars. (para.4) 最近，科学家们在类似火星的环境中成功地培育出了多种植物。 that用作替代词， 指代上文提到的名词　 Mars has fascinated people since ancient times, and today our interest in Martian exploration is greater than ever before. Martian exploration 火星探测 More governments and organisations are making efforts to educate the public on the Red Planet, for example, ... make efforts to d