2019新人教版高中英语必修二Unit 2词汇表（含教材例句及用法讲解）本词汇表主要特色：1.呈现教材原文例句，重视词汇在语境中的运用。
2.词汇用法讲解紧扣新课标和新考纲，深度和广度适中，条理清晰，系统完整。
3.精选高考真题例句、词典例句和时文例句，例句具有典型性和示范性。
4.展示高考真题，揭示高考命题角度和思路。
5.适合高一学生同步使用以及高三学生总复习使用。
Book 2 Unit 21.poster /'pəʊstə/ n. 海报What message do these posters share?这些海报传达了什么信息？（P14）Now you are asked to make a poster to advertise a sporting event. 现在请你制作一张海报，为体育赛事做广告。
There is a poster about the art festival. 有一张关于艺术节的海报。
2.illegal /ɪˈli:gl/ adj. 不合法的；非法的Stop illegal hunting immediately. 立即停止非法狩猎。
（P14）Now it is illegal to drive when you are drunk. 现在醉酒开车是违法的。
It's illegal to read people's private letters without permission.未经允许看别人的私人信件是不合法的。
For a teacher to hit a child is not just morally wrong but also illegal.对一个老师来说，打孩子不仅是不道德的，而且是违法的。
【拓展】legal /'li:ɡl/ adj. 法律的；依照法律的；合法的He offered guidance to poor black people on their legal problems.他为那些穷苦黑人提供法律指导。
Everyone must earn money in the legal way. 每个人必须用合法的方式挣钱。
Gambling is legal in some countries. 在某些国家赌钱是合法的。
3.illegally /ɪˈli:gli/ adv. 不合法地；非法地These large animals are being killed illegally for their body parts that are considered valuable. 这些大型动物正因其被认为有价值的身体部位而被非法杀害。
（P17）Drivers who park their cars illegally should be punished. 非法停车的司机应当予以惩处。
【拓展】legally /ˈli:gli/ adv. 法律上；合法地The school is legally responsible for your child's safety.学校对你的孩子负有法律上的安全责任。
If you find a job, make sure you are employed legally. 找工作时，确保你是合法雇用的。
【注意】以字母l开头的形容词或副词，其反义词加前缀il-。
4.hunt /hʌnt/ vt. &vi. 打猎；搜寻；追捕Who is hunting the kangaroos? 谁在猎杀袋鼠？（P18）Where are they being hunted? 他们在哪里被捕杀？（P18）As a child I learned to hunt and fish. 从小我就学会了打猎和捕鱼。
Whales are still being hunted and killed in the Arctic.北冰洋的鲸类仍然遭到猎杀。
hunt for sth 搜寻；寻找She is still hunting for a new job.她还在找新工作。
【拓展】hunting /ˈhʌntɪŋ/ n. 打猎; 搜索；追寻Too much hunting happened in the 1950s过度捕猎发生在二十世纪五十年代。
Tiger hunting is illegal. 捕猎老虎是非法。
go hunting去打猎5.hunter /ˈhʌntə(r)/ n. 猎人Sometimes celebrations would be held after hunters had caught animals.有时，在猎人捕获猎物后，也举行庆祝活动。
The hunter tracked this wolf and killed it. 猎人跟踪这只狼，并杀死了它。
job-hunters 求职者treasure hunters 寻宝人6.immediately / ɪˈmiːdiətli / adv. 立刻，马上（= at once/ right away）They wish to begin immediately after dinner 他们希望饭后马上就开始。
He answered the phone immediately.他马上接起电话。
I'll go and pick her up immediately /right away/at once.我马上去接她。
【拓展】immediate /ɪˈmiːdiət/ adj. 立即的；立刻的an immediate reaction/response 即时的反应/ 回应What we require is immediate action. 我们需要立刻采取行动。
The announcement led to an immediate storm of protest.公告一发布就引发了一场强烈的抗议。
People demanded an immediate explanation from the Education Department.人们要求教育部立刻作出解释。
7.species /'spi:ʃi:z/ n. 物种；种类（单复数同形）Pandas are an endangered species. 熊猫是濒危物种。
The disappearance of many species of plants and animals worried many scientists.许多动植物物种的消失令许多科学家担心。
There are several thousand species of trees here. 这里有几千种树。
8.shark /ʃɑ:k/ n. 鲨鱼Many believe that sharks can never be endangered because they are the strongest in their food chain.很多人认为鲨鱼不可能濒危，因为它们是食物链中最强大的。
But in fact, around 70 million sharks are caught and traded in this industry every year.但实际上，每年大约七千万的鲨鱼被捕捉并在这个行业交易。
9.fin / fɪn / n. （鱼的）鳍Say No to Shark fin soup. 对鱼翅汤说不。
（P14）They have even asked governments to develop laws to stop the sale of shark fins.他们甚至要求政府完善法律来阻止鲨鱼鳍的销售。
So far, no scientific studies have shown that shark fins are good for health. (P99)到目前为止，没有科学研究表明鲨鱼鳍对健康有益。
10.on earth（放在疑问词之后表示强调）究竟；到底What on Earth Are We Doing to Our Planet? 我们到底在对我们的星球做什么？（P14）Why on earth would he want to go to such a place? 他到底为什么想去那么个地方？How on earth did that happen? 那件事到底怎么发生的？11.die out①（物种等）灭绝; 灭亡Our planet's wildlife is dying out at an alarming rate. 我们星球上的野生动物正以惊人的速度灭绝。
（P14）Because the climate is becoming worse, several species have already died out．由于气候恶化，好几个物种已经不复存在。
As a result these endangered animals may even die out．结果，这些濒危的动物甚至可能会消亡。
②（风俗、习惯等）逐渐消失Many old customs have died out. 许多旧的风俗已不复存在。
That style of music died out ten years ago. 那种风格的音乐10年前就消失了。
③（灯，火）熄灭He tried to blow up a fire. The fire died out, instead. 他试图把火吹旺, 但却熄灭了。
12.alarming / əˈlɑːmɪŋ/ adj. 惊人的；使人惊恐的The alarming report is being written这份令人震惊的报告正在撰写中。
（P18）An alarming film was shown in this theatre.这家影院上映了一部令人恐慌的电影。
Be aware of safety and alarming signs . 请注意安全警示标识。
This is a normal part of a market economy and should not be alarming.这是市场经济的正常组成部分，不应成为一种令人担心的情况。
【拓展】（1）alarmed /əˈlɑːmd/ adj.（人感到）惊恐的；害怕的However, when she first saw the robot, she felt alarmed.然而，当她第一次看到这个机器人，她感到惊慌。