资源简介 《25新版北师大版八年级英语上册》Unit 2 Topic Talk知识点清单核心词汇safety【发音】/ se fti/【释义】n. 安全,平安;安全性【拓展】派生词:safe(安全的);反义词:danger(危险)【短语及例句】safety rules:安全规则We must follow safety rules when doing experiments. 做实验时我们必须遵守安全规则。road safety:道路安全Road safety is important for both drivers and pedestrians. 道路安全对司机和行人都很重要。earthquake【发音】/ θkwe k/【释义】n. 地震【拓展】巧记:earth(地球)+quake(震动)= earthquake【短语及例句】earthquake drill:地震演习Our school has an earthquake drill every month. 我们学校每月进行一次地震演习。earthquake zone:地震带This city is in an earthquake zone, so buildings need to be strong. 这座城市位于地震带,因此建筑需要很坚固。flood【发音】/fl d/【释义】n. 洪水,水灾【拓展】其他释义:v. 泛滥;淹没【短语及例句】flood control:防洪The government built dams for flood control. 政府修建水坝用于防洪。flood season:汛期We should avoid going near rivers during the flood season. 汛期期间我们应避免靠近河流。jacket【发音】/ d k t/【释义】n. 夹克衫,短上衣【拓展】复数:jackets【短语及例句】wear a jacket:穿夹克It’s windy today. You’d better wear a jacket. 今天有风,你最好穿件夹克。life jacket:救生衣He put on a life jacket before swimming in the sea. 他在海里游泳前穿上了救生衣。mobile【发音】/ m ba l/【释义】adj. 手机的,移动设备的;可移动的【拓展】反义词:fixed(固定的)【短语及例句】mobile phone:手机I use my mobile phone to take photos and listen to music. 我用手机拍照和听音乐。mobile app:移动应用This mobile app helps me learn English words quickly. 这个移动应用帮我快速学英语单词。torch【发音】/t t /【释义】n. 手电筒【短语及例句】turn on a/the torch:打开手电筒Can you turn on the torch for a moment, please 你能打开手电筒一会儿吗?torch light:手电筒的光The torch light was bright enough to see the whole room. 手电筒的光足够亮,能看清整个房间。aid【发音】/e d/【释义】n. 援助;vt.&vi. 帮助,援助【拓展】近义词:assistance(帮助)【短语及例句】first aid:急救The teacher gave first aid to the injured student. 老师对受伤的学生进行了急救。aid sb. in/with (doing) sth.:帮助某人(做)某事The teacher aided us in finishing the science project. 老师帮助我们完成了科学项目。treat【发音】/tri t/【释义】vt. 医疗,治疗;以…… 方式对待【拓展】派生词:treatment(治疗)【短语及例句】treat one’s wound:处理 / 治疗某人的伤口The nurse treated his wound carefully. 护士仔细处理了他的伤口。treat sb. kindly:友好对待某人We should treat everyone kindly. 我们应该友好对待每个人。hammer【发音】/ h m (r)/【释义】n. 锤子,榔头【拓展】v. hammer(敲打)【短语及例句】use a hammer:使用锤子He used a hammer to fix the loose nail on the wall. 他用锤子修好了墙上松动的钉子。hammer sth. in/into/onto sth.:把…… 锤到……She hammered the nail into the wall. 她把钉子钉到墙上。rope【发音】/r p/【释义】n. 粗绳,线缆,绳索【拓展】其他释义:v. 用绳子捆(或绑、系)【短语及例句】tie sth. with a rope:用绳子绑……They tied the box with a rope to keep it from opening. 他们用绳子绑住盒子,防止它打开。climbing rope:攀爬绳We need a strong climbing rope for the activity. 活动需要一根结实的攀爬绳。certainly【发音】/ s tnli/【释义】adv. 无疑,肯定;当然【拓展】近义词:surely;反义词:uncertainly(不确定地)【短语及例句】certainly not:当然不“May I go ” “Certainly not!” “我可以走了吗?”“当然不行!”almost certainly:几乎肯定The story is almost certainly false. 这个故事几乎肯定是虚构的。useful【发音】/ ju sfl/【释义】adj. 有用的,有帮助的【拓展】反义词:useless(无用的)【短语及例句】useful tool:有用的工具This dictionary is a useful tool for learning English. 这本词典是学习英语的有用工具。useful advice:有用的建议The teacher gave us useful advice on how to study better. 老师给了我们如何更好学习的有用建议。situation【发音】/ s t u e n/【释义】n. 情况,状况,形势【短语及例句】in a … situation:处于…… 处境,在…… 情况下We are now in a difficult situation. 我们现在处境艰难。Her news put me in a difficult situation. 她的消息让我陷入困难的境地。Stay calm in a dangerous situation. 在危险情况下保持冷静。tip【发音】/t p/【释义】n. 实用的提示;尖端【拓展】其他释义:小费;小账【短语及例句】useful tip:有用的提示Here’s a useful tip: Drink water every morning. 给你一个实用提示:每天早晨喝水。tip of the pencil:铅笔尖The tip of the pencil is broken. 铅笔尖断了。common【发音】/ k m n/【释义】adj. 常见的,通常的,普遍的;共有的,共享的【拓展】反义词:rare(罕见的)【短语及例句】common sense:常识Common sense tells us not to touch a hot stove. 常识告诉我们不要碰热炉子。common interest:共同兴趣They share a common interest in photography. 他们在摄影方面兴趣相投。句式精要【句子 1】We need a life jacket in a flood to stay above water.在洪水中我们需要一件救生衣来保持浮在水面。【知识点】need sth. to do sth. 需要某物来做某事【解析】①该结构表示为了实现某个目的需要借助某物②need 是实义动词,后接名词作宾语,再接不定式(to do)说明目的【例句】She needs a computer to finish her homework.她需要电脑来完成作业。【句子 2】It’s a good idea to have a torch.带一个手电筒是个好主意。【知识点】It’s a good idea to do sth. 做某事是个好主意【解析】①该句型用于提出建议,表示 “做某事” 是值得考虑的明智选择②“It” 是形式主语,真正主语是后面的不定式短语【例句】It’s a good idea to bring a bottle of water when hiking.徒步时带一瓶水是个好主意。【句子 3】We have to think of others. And we must obey the rules.我们必须考虑他人。并且我们必须遵守规则。【知识点 1】have to do sth. 不得不做某事(客观必要性)【解析】①have to 强调客观要求,比如规则、环境或他人的期望②否定形式:don’t have to do sth.【例句】We have to wear helmets when riding bikes.骑自行车时我们必须戴头盔。【知识点 2】must do sth. 必须做某事(主观义务)【解析】①must 是情态动词,表示说话者认为 “有必要” 做某事,多源于个人判断或道德要求②must 强调主观认为 “应该做”③否定形式:mustn’t do sth.【例句】We must protect the environment.我们必须保护环境。We mustn’t break the rules.我们不应该违反规则。【知识点 3】think of 考虑;想起【解析】①think of 侧重想到;考虑②think about 侧重思考;琢磨【例句】She thinks of becoming a doctor in the future.她考虑未来当医生。Please think about this question carefully.请仔细思考这个问题。 展开更多...... 收起↑ 资源预览