Unit 4 Lesson 2 Why Do We Need Humour 重点词汇短语课件-2023-2024学年高中英语北师大版（2019）选择性必修第二册

Lesson 2 Why Do We Need Humour? 单词检验 1.muscle n. 肌肉 2.blood vessel 血管 3.mood n. 心情，情绪 4.far--reaching adj. 影响深远的 5.immune adj. 有免疫力的 6.cell n. 细胞 答案 单词检验 7.incorporate vt. 将…并入；包含 8.blush vi. 脸红 9.embarrassment n. 窘迫，尴尬 10.tension n. 紧张；焦虑；焦急 tense adj.(人)神经紧张的； (形势等)令人 紧张的；（肌肉或身体部位）绷紧的 答案 11.physical adj. 身体的，肉体的 physically adv.身体上；肉体上 12.psychological ad.心理的精静啪的 psychology n. 心理学；心理 13. energise ut..使充满活力；使增强决心 ① energy n.精勘 ②energetic ad.精力充的 14. infection n. 感染；传染 infect V. 使感染；传染 infectious adj. 感染的；传染性的 答案 15.whisper vi.&vt.悄声说，低语，耳语 n.低语：耳语 in a whisper 低声说 l6.accidentally adv.偶然地；意外地 ①accidental adj.偶然的，意外的 accident n.故 17.expense n. 费用，花费 expensive ad.昂的 at sb.'s expense 嘲笑某人 答案 Good morning and thank you for joining me today.The title of my speech …的题目 today is"Why do we need humour?"I believe that all of us enjoy watching a comedy film or hearing a good joke,because it makes us laugh all the 让人发笑 time.Babies laugh long before they can speak.It's almost as if humour is 总是：一直 at no time绝不 at times有时；不时 hard-wired into us.So there must be some kind of benefit to it.What can 固有的，无法改变的 humour do for us?According to recent research,humour has both physical and psychological effects.有…影响 Let's talk about the physical effects.Firstly,laughter helps relieve tension. relieve v.减轻：缓解：消除relieved adj.感到宽慰的；放心的relief n..(痛苦、忧虑等的)减轻、消除、缓种 relieve sb.of sth.帮某人减轻（负担） be relieved to do sth.做某事感到宽慰 It relaxes the muscles in our body,and the effects can be felt for as long as 45 minutes after a good laugh.Also,a good laugh increases blood flow to the heart and improves the function of blood vessels,which helps protect us from heart disease.Finally,when we laugh,the level of stress chemicals in our body falls,and the number of immune cells in our body increases. the number of的数量；修饰可数名词复数，谓语动词用单数 a number of许多的，大量的：修饰可数名词复数，谓语动词用复数 Both mean that our body is better able to fight infection. There is a song that says,"Smile,though your heart is breaking."Does it mean there is