Unit 3 Conservation Lesson 1 The Sixth Extinction 单词讲解课件-2025-2026学年高中英语北师大版选择性必修第一册

该高中英语课件围绕solar、hatch、restore等核心词汇，系统呈现音标、多维度释义、常见搭配及拓展内容（如restore的名词形式restoration和同义词）。课堂导入通过关联学生已有知识（如solar system联系科学常识，hatch from an egg结合生物场景），以搭配示例和义项对比为支架，帮助学生构建连贯的词汇学习脉络。 其亮点在于通过精准的释义分类、具体搭配示例及词汇拓展，强化语言能力培养，同时引导学生辨析多义词义项（如hatch的“孵化”与“策划”），提升思维品质。采用情境化关联与结构化梳理的教学方法，学生能高效掌握词汇运用，教师可借助清晰的内容框架优化教学流程。

北师大版（2019）选择性必修一 Unit 3 Conservation LESSON 1 THE SIXTH EXTINCTION New Words & Phrases New Words & Phrases 1. die out  消失；绝迹，灭绝 2. species  n. 物种，种 3. wipe  vt. 擦；拭 4. wipe out  彻底毁灭 5. unusual  adj. 异常的；不平常的 6. mass  adj. 大量的 7. varied  adj. 各种各样的，形形色色的 8. asteroid  n. 小行星 9. decrease  n. 减少；减少的量 vi. & vt. 减少 10. blame  vt. 责怪，指责 11. be to blame  （对某事）负有责任 12. affect  vt. 影响 13. be at risk  处境危险，受到威胁 14. endangered  adj. 濒危的 15. solar  adj. 太阳光（能）的 16. hatch  vi. & vt. （使）孵化 17. restore  vt. （使）恢复 die out 消失；绝迹，灭绝 to stop existing（停止存在） 同义词: become extinct, vanish 例句: Many rare birds are in danger of dying out. (许多珍稀鸟类面临灭绝的危险。) That old tradition has almost died out. (那个古老的传统几乎已经消失了。) species /ˈspiːʃiːz/ n. 物种，种 a group into which animals, plants, etc. that are able to breed with each other and produce healthy young are divided（动物、植物等能够相互繁殖并产生健康后代的一个群体） 重要提示: 单复数同形。 an endangered species (濒危物种) a rare species (稀有物种) species diversity (物种多样性) *wipe /waɪp/ v. 擦；拭；消除；抹去 to clean or dry something by rubbing its surface with a cloth, etc.（用布等擦拭表面以清洁或弄干某物）；to remove information, sound, images, etc. from a computer, video, etc.（从计算机、视频等中删除信息、声音、图像等） wipe the table (擦桌子) wipe your tears (擦掉眼泪) wipe data (删除数据) wipe out 彻底毁灭 to destroy or remove somebody/something completely（彻底摧毁或移除某人/某物） 同义词: destroy completely, eradicate 例句: The entire population was wiped out by the disease. (整个种群都被那种疾病毁灭了。) The earthquake wiped out the whole village. (地震摧毁了整个村庄。) unusual /ʌnˈjuːʒuəl/ adj. 异常的；不平常的 different from what is usual or normal（与平常或正常情况不同） 副词 (adv.): unusually /ʌnˈjuːʒuəli/ (请注意音标) (异常地) 名词 (n.): usual /ˈjuːʒuəl/ (请注意音标) (平常的事) 同义词: uncommon, odd, strange 反义词: usual, common, normal It is unusual to do sth (做某事是不寻常的) an unusual sight (不寻常的景象) mass /mæs/ adj. 大量的 n. 团；块；大量； (adj.): affecting or involving a large number of people or things（影响或涉及大量人或事物的） (n.): a large amount or quantity of something（大量某物） mass production (大规模生产) a mass of/masses of + n. (大量的……) the masses (群众) varied /ˈveərid/ adj. 各种各样的，形形色色的 of many different types（多种不同类型的） 动词 (v.): vary /ˈveəri/ (变化；不同) 形容词 (adj.): various /ˈveəriəs/ (各种各样的) 名词 (n.): variety /vəˈraɪəti/ (种类；多样化) 常见搭配: a varied diet (多样化的饮食) varied opinions (各种各样的意见) *asteroid /ˈæstərɔɪd/ n. 小行星 any one of the many small planets that go around the sun（围绕太阳运行的众多小行星中的任何一颗） decrease /dɪˈkriːs/ v. 减少 /ˈdiːkriːs/ n. 减少；减少的量 (v.): to become or make something smaller or fewer (n.): the process of reducing something or the amount that something is reduced by（减少某物的过程或某物被减少的量） 构词法: de- (前缀，表示向下，减少) + crease (增长) 同义词 (v.): reduce, decline, drop 反义词 (v.): increase, grow a decrease in... (……的减少) blame /bleɪm/ v. 责怪，指责 n. 责任；过失 (v.): to think or say that somebody/something is responsible for something bad（认为或说某人/某物对坏事负责） 核心短语: be to blame (for sth) (（对某事）负有责任) blame sb for sth / blame sth on sb (因某事责怪某人) Nobody is to blame for the accident. (没人需要对这次事故负责。) be to blame （对某事）负有责任 to be responsible for something bad（对坏事负责） 例句: The driver was to blame for the crash. (司机对撞车事故负有责任。) affect /əˈfekt/ v. 影响；（感情上）深深打动，使悲伤；（疾病）侵袭 to produce a change in sb./sth. ；(of sth bad or unpleasant) to make you feel very sad, sorry, etc. ；(of a disease) to attack somebody or a part of the body ； 名词 (n.): effect /ɪˈfekt/ (影响；效果) 名词 (情感): affection /əˈfekʃən/ (喜爱；钟爱) 形容词 (adj.): affecting /əˈfektɪŋ/ (使人悲伤的) be affected by (受到……的影响) have an effect on (对……有影响) be at risk 处境危险，受到威胁 to be in a situation where you may be harmed or suffer loss（处于可能受到伤害或遭受损失的情况中） 例句: Many jobs are at risk due to the economic crisis. (由于经济危机，许多工作岗位受到威胁。) The species is at risk of extinction. (该物种面临灭绝的危险。) endangered /ɪnˈdeɪndʒəd/ adj. 濒危的 (used about a type of animal, plant, etc.) in danger of no longer existing（（指某种动物、植物等）有不再存在的危险） 动词 (v.): endanger /ɪnˈdeɪndʒə(r)/ (危害；使遭受危险) 名词 (n.): danger /ˈdeɪndʒə(r)/ (危险) 形容词 (adj.): dangerous /ˈdeɪndʒərəs/ (危险的) an endangered species (濒危物种) be endangered by (受到……的威胁) solar /ˈsəʊlə(r)/ adj. 太阳光（能）的 using the sun’s energy（使用太阳能的）；connected with the sun（与太阳有关的） 常见搭配: solar energy (太阳能) solar system (太阳系) solar panel (太阳能电池板) hatch /hætʃ/ v. （使）孵化；策划 (of a young bird, fish, insect, etc.) to come out of an egg; to make a young bird, etc. come out of an egg （使）孵化。to create a plan or idea, especially in secret 策划。 常见搭配: hatch from an egg (从蛋中孵出) hatch a plot (密谋策划) restore /rɪˈstɔː(r)/ v. （使）恢复；归还；修复 to bring back a situation or feeling that existed before （使）恢复 to bring somebody/something back to a former condition, place or position 恢复；修复。to give back something that was lost or stolen to its owner 归还。 名词 (n.): restoration /ˌrestəˈreɪʃən/ (恢复；归还；修复) 同义词 (v.): recover, renew, return restore order (恢复秩序) restore one’s health (恢复健康) Thank you 43963.78 $