（外研版）（鲁津琼版）2020版高考大一轮复习第一部分Module1LifeintheFuture课件必修4（英语）.ppt

核心要点突破 1.alternative adj.替换的；供选择的 n.可能的选择；选择对象 (1)have no alternative but to do sth 别无选择只好做某事 have the alternative of doing sth 有做某事的选择 an alternative to... ……的替代品 (2)alternatively adv. 可供选择地 单句语法填空/一句多译 ①Natural gas is another abundant fuel that experts consider an alternative ______ gasoline. ②Come with us，____________ (alternative)，meet us there. ③我们别无选择只能采取立即的措施制止污染。 →We _____________________________ immediate action to stop pollution. →We _____________________________ immediate action to stop pollution. →We _____________________________ immediate action to stop pollution. →We _____________________________ immediate action to stop pollution. →We _____________________________ immediate action to stop pollution. to alternatively　 have no alternative but to take have no choice but to take can’t help but take can’t choose but take can do nothing but take [佳句背诵] The disappearance of dinosaurs is not necessarily caused by astronomical incidents.But alternative explanations are hard to find.(2017·江苏高考单选) 恐龙的灭绝不一定就是由天文事件引起的，但是很难找到其他的解释。 [名师指津] “别无选择只好做……”的其他表达形式还有： have no choice but to do sth，can’t do sth but do sth，can do nothing but do sth。在这些结构中若but之前出现实义动词do的某种形式 (does，did，done)，but之后要用省略to的不定式，否则，but之后的to不能省略。 2.command n.命令；指令；掌握；指挥；控制 v.命令；指挥 (1)in command of　指挥；控制 in/under the command of 由……指挥；由……控制 take command of 控制；担任……的指挥 have a good command of 很好地掌握，精通 (2)command sb to do sth 命令某人做某事 command that...(should) do... 命令…… 单句语法填空/一句多译 ①Nobody can take command ____________ the situation where everything is in a mess. ②将军命令士兵马上出发。 →The general commanded that the soldiers ________________ at once. →The general commanded the soldiers ________________ at once. [佳句背诵] Besides，I have such a good command of English that I am elected as an assistant to my English teacher.(陕西高考书面表达) 另外，我对英语掌握得如此好以至于我被选为英语课代表。 of (should) set off to set off 3.charge n.费用；价钱；主管；负责 vt.收费；控诉；充电 (1)free of charge＝for free 免费 in charge (of) 主管；负责；照顾 in the charge of