Unit 2 Stay Healthy知识点精讲课件-2025-2026学年人教版八年级英语下册

人教版八年级下册 Unit 2 Stay Healthy 知识点精讲 23002 词汇篇 短语篇 目录 句型篇 23002 词汇篇 avoid/əˈvɔɪd/v. 避免；防止 *avoid sth/sb回避某物 /某人 avoid the traffic jam避免交通堵塞 *avoid doing sth避免做某事 He avoided answering my questions.他避而不答我的问题。 avoid的用法 23002 词汇篇 lie的用法 lie v.位于(lay,lain) v.躺(lay,lain;lying) v.撒谎(lied,lied) n.谎言 23002 词汇篇 suffer/ˈsʌfə(r)/的用法 (1)suffer作不及物动词，表示“受苦”。常见用法如下： suffer from 受苦；受折磨 suffer for 因……而受苦 ★ Do you often suffer from headaches?你经常头痛吗? ★ He made a decision in a hurry and now he is suffering for it. 他当初草率决定，现在吃苦头了。 (2)suffer 还可作及物动词，表示“遭受”。 ★ The company suffered huge losses last year. 公司在去年出现巨额亏损。 23002 词汇篇 (1) patient 作可数名词，意为“病人”。 ★I'm a patient of Dr Smith. Please could I make an appointment to see him? 我是史密斯医生的病人。请问我能不能预约一下看病时间? (2) patient 可作形容词，意为“有耐心的”。 常用搭配有：be patient with sb.“对某人有耐心”， be patient to do sth有耐心做某事。 ★ You must be very patient with her as she has been ill for months.你对她一定要非常有耐心，因为她已经病了好几个月了。 patient/ˈpeɪʃnt的用法 23002 词汇篇 patient/ˈpeɪʃnt的用法 n. patience耐心， have patience with children adv. patiently耐心地， 反义词adj. impatient没耐心的 adj. patient耐心的 23002 词汇篇 n. 疼痛；痛苦，可指身体上的 “痛感”，也可指精神上的 “痛苦”。 比 “ache” 更侧重 “剧烈或持续性的痛” *have a pain in +身体部位 *suffer from pain忍受疼痛 She felt a sudden pain in her head and had to sit down. 她突然头痛，不得不坐下。 *painful adj 疼痛的；痛苦的，painful experience painless adj. 无痛的， pain/peɪn/的用法 23002 词汇篇 cross/krɒs/的用法 v. 穿越；横过；交叉 cross the road过马路 cross the river过河 You must look both ways before crossing the street. *cross---- n ；十字架， a red cross *crossing --- n. 十字路口， a zebra crossing 单词 词性 用法 cross 动词 可直接作谓语，相当go across across 介词 需与动词go、walk、run等连用 cross与across 23002 词汇篇 luckily /ˈlʌkɪli/的用法 作副词，意为“幸运地”，通常放在句首，用来修饰整个句子。Luckily, a kind man helped me find my lost key. luck n. 幸运 lucky adj. 幸运的 luckily adv. 幸运地 unlucky adj. 不幸的 unluckily adv. 不幸地 23002 harm /hɑːm/ （1）n. 伤害；损害 do harm to 对…… 造成伤害 Too much screen time can do harm to your eyes. These chemicals won’t harm the plants. （2）v. 伤害；损害These chemicals won’t harm the plants. 词汇篇 harm /hɑːm/的用法 1）harmful adj. 有害的 be harmful to对…… 有害，等同于 =do harm to Smoking is harmful to your health. 2）harmless adj. 无害的 延伸： 23002 shock的用法 When I added up the cost it gave me quite a showk. 我把费用加起来时，我大吃一惊。 作名词，还可意为“令人震惊的事”。 常用短语：get a shock 吃惊;in/with shock 震惊地 ★ They'll get a shock when they get this bill.他们收到这 张账单会大吃一惊的。 作动词，意为“使震惊；使惊愕 作名词，意为“震惊” It shocks sb to hear/leam/know..."听到/了解到/知道……让某人很吃惊”;“It shoks sb.(that)...”“.……令某人感到震惊”。 词汇篇 23002 用方框中所给单词的适当形式补全短文（每词限用一次） It's important to protect the environment.Years ago, it 1._______ me to find that plastics and bottles were 2.________ around the parks and streets. It was 3.__________ to the environment. But 4.________ people started to change their habits, such as sorting rubbish before throwing it and turning 5.___________ the lights before leaving.Thanks 6.________ these actions, the environment has become better. to shock harm off lucky lie 词汇篇 shocked lying harmful luckily off to 23002 短语篇 stop...from doing意思：防止……；阻止…… 其中fom 可以省略，相当于 prevent sb.(from) doing sth./keep sb. from doing sth。这三个结构用于被动语态时，介词from均不可省略。 ★ The rain didn't stop/prevent us (from) enjoying the trip.(= The rain didn't keep us from enjoying the trip.)那场雨没有妨碍我们享受这次旅行。 ★The boy was stopped/ prevented/kept from runing the red light by his mother just now.刚才那个男孩的妈妈阻止了他闯红灯。 stop...from doing的用法 23002 turn on 意为“接通；打开”，反义短语为turn off“关掉”。 turn on是“动词+副词”型短语，其后接名词作宾语时，名词位于turn 和on 中间或on 之后均可，如turn the light on = turn on the light ; 其后接人称代词或反身代词作宾语时，人称代词或反身代词只能放在turn 和on 中间，如 turn it on。 ★ The light has been on the whole day. Who tumed it on? Tum it off please.灯亮了一整天了。是谁开的呢?请把它关上吧。 短语篇 turn on的用法 23002 短语篇 汉译英 1. 喉咙痛 _____________ 2.发烧 __________________ 3.受苦；受折磨____________________ 4.坐下_________________ 5.给某人量体温_______________ 6.防止；阻止_________________ 7.更为重要的是;更有甚者_____________ sore throat have a fever suffer from take a seat take one’s temperature stop...from doing what’s more 23002 汉译英 8. 着火 _____________ 9.不可能；没门 __________________ 10.即将；正要做某事____________________ 11.突然停住_________________ 12.急救_____________ 13.平躺_________________ 14.从现在起_____________ 短语篇 catch/on fire no way be about to stop short first aid lie down from now on 23002 句型篇 1.Mr Liu knows how to take care of his health because he used to be a doctor himself.刘先生知道如何照顾自己的健康，因为他曾经是一名医生 画线部分为“疑问词+动词不定式”结构，疑问代词 who、what、which等和疑问副词 when、where、how 等都可构成这种结构。这种结构在句中可作主语、宾语、表语等。作主语时，谓语动词通常用单数形式。 ★ How to deal with it is still a question.怎样解决这件事还是个问题。 ★I don't care what to eat for lunch. 我不在乎午饭吃什么。 ★The question is which to choose.问题是挑选哪一个。 作主语 作宾语 作表语 23002 句型篇 2.It was their first time living away from their families,and they enjoyed learning how to do many things themselves. 这是他们第一次离开家人独自生活，他们乐于学习如何自己做很多事情。 “It is/was one's first time doing sth. ”意为“某人第一次做某事”，类似的表达还有“It is/ was the first time for sb. to do sth.”。 ★ It is actually my finst time seeing the sea,事实上，这是我第一次看大海。 ★ It was the first time for my cousin to visit Beijing.这是我表弟第一次来北京。 23002 句型篇 3.Thanks to the first aid and safety classes he took at school, he knew that water could make oil fires much worse!多亏了在学校上过的急救和安全课，他知道水会让油着火的情况变得更糟! “thanks to...”意为“多亏……由于…”其中to是介词，后跟名词、代词或v.-ing 作宾语。 ★ It was all a great success — thanks to a lot of hard work.由于尽心竭力，这才大获成功。 23002 句型篇 用法 例句 辨析 thanks to 和 thanks for thanks to 意为“多亏……，由于……”，在句中作状语。 Thanks to your help, I have finished the difficult task on time.多亏你的帮助，我按时完成了这项艰巨的任务。 thanks for 意为“因…而感谢”，后接名词、代词或v.-ing, 强调感谢的原因，相当于 thank you for。 Thanks for inviting me to your party. 谢谢你邀请我来你的聚会。 23002 句型篇 补全句子 1. 中国人再也不会挨饿了。Chinese people will not _____ ______ hunger any longer. 2.这个故事太感人了，她忍不住哭了。 The story was so moved ,and she _________ ________ crying. 3.你的鼻子正在出血，按压住你的鼻子。 Your nose is bleeding. _______ _______ _____ your nose. 4.你看起来很累。你应该躺下休息一下。 You look tired.You should _______ ________ and have a rest. suffer from couldn’t help press down on lie down 23002 Goodbye! 23002 $