选修7 Unit 20 New Frontiers（课件）-2019《师说》高中全程复习方略·英语（北师大版）

⊳填准记牢·快速掌握 写一写——写作词汇 1．handy adj.　　　　　方便使用的 2．download vt. 下载 3．update vt. 更新 4．present vt. 主持；呈现 5．conflict n. 争执；冲突 6．official n. 官员 7．rescue vt. 拯救；救援 8．dilemma n. 困境；进退两难的窘境 9．correspond vi. 通信；符合 10．meanwhile adv. 同时 11．cure vt. 治愈 12．organ n. 器官 13．permanent adj. 长久的，永久的 认一认——阅读词汇 1．assist vt.帮助；协助→assistance n．帮助；协助→assistant n．助手；助理 2．technical adj.技术上的→technique n．技术→technology n．工艺；技术 3．latter n．后者→former n．前者 4．starvation n．饥饿→starve v．挨饿 5．equality n．平等→equal adj.平等的；v.等于 6．assess vt.评价；评估→assessment n．评价；评估 7．donate vt.捐赠；赠送→donation n．捐赠；赠送→donor n．捐赠者 8．electronic adj.电子的→electric adj.电的；电动的→electrical adj.电的；电气科学的 9．specialist n．专家→special adj.专门的；特殊的 10．poison n．毒药；毒物→poisonous adj.有毒的 11．permit vt.允许；准许；许可→permission n．允许；准许 12．declare vt.宣告；宣布→declaration n．宣布 13．exploration n．检测；探险→explore vt.探测；探险 练一练——语境应用 [用所给词的适当形式填空] 1．On hearing the brave girl's disease，local people lined up to donate blood for her，and their donation has saved her life.(donate) 2．As an assistant，he assisted the professor in carrying out the project. And without his assistance，it couldn't be completed on time.(assist) 3．In our school，the students are not permitted to use phones and without permission they can't leave school during weekdays.(permit) 4．Many scientists are making great efforts to explore the Moon and other planets.Their exploration may change our future.(explore) ⊳高效识记·稳固根基 写一写——高频短语 1．in_advance　　　　　提前；事先 2．take_over 接管；交接 3．get_across 理解 4．give_away 泄露(秘密)；捐赠 5．make_up_for 弥补 6．figure_out 计算出；解决；想出 7．not_to_mention 更不用说 8．wrestle_with_sth. 努力解决难以处理的事物 9．be_dedicated_to 致力于；献身于 10．in_case 以防；以免 11．start_with 以……开始 12．due_to 由于；因为 13．rather_than 而不是 14．lead_to 导致；通往 练一练——语境应用 [选用以上短语填空] 1．As long as you've paid in_advance we won't charge you for delivery. 2．Can you give me some advice on how to make_up_for the time I have lost? 3．When he retired，his eldest son took_over the farm. 4．I can't figure_out why he quit his we