专题1.选择性必修第1册Unit 1--Unit2 -2021-2022学年高二英语寒假精讲精练（人教版2019）

选择性必修第1册　Unit 1--Unit2 Unit1 一.拓展单词——我会变 1．commit vt.做出(错事或非法的事)；犯(罪或错等)；承诺；保证(某个人、机构等) vi.忠于；全心全意投入(工作、活动等)→committed adj.尽心尽力的；坚定的；坚信的→commitment n．投入；奉献；承诺 2．academy n．(艺术、文学、科学等的)研究院；学会；专科院校→academic adj.学业的；学术的 3．evaluate vt.评价；评估→evaluation n．评价；评估 4．analyse(NAmE -ze) vt.分析→analysis (pl. analyses) n．分析 5．scientific adj.科学(上)的；关于科学的→science n．科学→scientist n．科学家 6．conclusion n．结论；推论→conclude vt.断定；推断出 7．novelist n．小说家→novel n．(长篇)小说adj.新颖的；新奇的 8．politician n．政治家；从政者；政客→politics n．政治→political adj.政治的 二.核心短语 1．commit oneself to do承诺；保证(做某事、遵守协议或安排等) 2．insist on坚决要求 3．come to power (开始)掌权；上台 4．take up a position担任；任职 5．sum up总结；概括 三．经典句式 1．In the beginning，Tu Youyou went to Hainan，where malaria was more common，to study malaria patients. 在开始的时候，屠呦呦去了海南研究疟疾患者，在那里疟疾较为普遍。 2．Later，the medicine was tested on malaria patients，most of whom recovered. 后来，这种药物在疟疾患者身上进行了测试，大多数患者都康复了。 3．Upon hearing that she had been awarded the Nobel Prize，she said，“The honour is not just mine.” 听到自己被授予诺贝尔奖时，她说：“这个荣誉不仅仅属于我。” 4．It is indeed an honour for China’s scientific research and Chinese medicine to be spread around the world. 中国的科学研究和中医药走向世界，确实是一种荣誉。 5．He had a thick moustache and long white hair，which sometimes stood on end as though he had just received an electric shock. 他留着浓密的胡须和长长的白发，有时白发挺立，就好像刚遭了电击。 随堂练习 一．词形变化填空(用括号内所给词的适当形式填空) 1．Committed to education，he committed every minute to studying and teaching，so his commitment finally paid off.(commit) 2．I concluded that he didn’t tell us the truth，that is to say，I came to the conclusion that he lied.(conclude) 3．The scientist has made scientific achievements in science.(scientific) 4．Through my great efforts，I obtained an academic qualification at the Chinese Academy of Science.(academy) 5．As you know，politics is my main major at university，and as a consequence，I memorize many political parties and politicians.(politician) 二.经典句型仿写 1．我要推荐你去西安旅行，那里有很多名胜古迹。(定语从句) I will recommend you to visit Xi’an，where there are a great number of p