《高中英语人教版选择性必修二Unit 5 First Aid知识点（核心词汇+重点短语+核心句式+语法拓展+写作常用表达）》，以下展示关于《高中英语人教版选择性必修二Unit 5 First Aid知识点（核心词汇+重点短语+核心句式+语法拓展+写作常用表达）》的相关内容节选，更多内容请多关注我们网站

1、高中英语选必二 Unit 5知识点一、核心词汇（含词性转换+解释+例句）1.organ n.（人或动植物的）器官派生词organic adj.器官的；有机的；不用化肥的例句The heart is a vital organ that pumps blood throughout the body.（心脏是向全身泵血的重要器官。）；Organic vegetables are grown without chemical fertilizers.（有机蔬菜的种植不使用化肥。）2.minor adj.较小的；次要的；轻微的派生词minority n.少数；少数民族；major adj.主要的；重

2、要的（反义词）；majority n.大部分；大多数例句He only suffered minor injuries in the car accident.（他在车祸中只受了轻伤。）；A minority of students prefer online learning to traditional classes.（少数学生比起传统课堂更喜欢在线学习。）3.electric adj.电的；电动的派生词electricity n.电；electrical adj.与电有关的；electronic adj.电子的例句She bought an electric bike for dail

3、y commuting.（她买了一辆电动自行车用于日常通勤。）；Electrical engineers are responsible for designing power systems.（电气工程师负责设计电力系统。）；This electronic device can store a large amount of data.（这个电子设备能存储大量数据。）4.swell vi.膨胀；肿胀派生词swollen adj.（身体部位）肿起的；肿胀的例句Her ankle swelled up after she twisted it during the run.（她跑步时扭伤脚踝后，

4、脚踝肿了起来。）；The swollen river flooded several nearby villages.（暴涨的河水淹没了附近几个村庄。）5.loose adj.松的；未系紧的；宽松的派生词loosely adv.松散地；粗略地；loosen v.（使）放松，变松；解开例句He wore a loose shirt to stay cool in the summer heat.（他穿了一件宽松的衬衫，以便在夏日高温中保持凉爽。）；She loosely tied the package with a piece of string.（她用一根绳子粗略地捆住了包裹。）；Pleas

5、e loosen the screws before disassembling the machine.（拆卸机器前请先松开螺丝。）6.urge vt.催促；极力主张；驱策派生词urgent adj.紧急的；急迫的；急切的；urgently adv.紧急地；急迫地；urgency n.紧急；急事；催促例句The teacher urged the students to hand in their homework on time.（老师催促学生按时交作业。）；Its urgent that we take action to protect the environment.（我们采取行动保

6、护环境至关重要。）；They urgently need medical supplies in the disaster-stricken area.（灾区急需医疗物资。）7.operate v.操作；做手术；经营派生词operator n.电话接线员；操作员；operation n.操作；手术例句He can operate various office software skillfully.（他能熟练操作各种办公软件。）；The doctor will operate on the patients heart tomorrow.（医生明天将为病人做心脏手术。）；The company operates several branches across the country.（这家公司在全国设有多家分公司。）8.bleed vi.流血；失血派生词bleeding n.流血；失血；blood n.血；血液例句T

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