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Due to limited class time, students will not be able to learn all the vocabulary simply from class teaching. Thus we need to help students develop items vocabulary learning strategies so that they can effectively acquire more vocabulary on their own, especially outside the class.
我所引领的学生用书高中英语必修二介绍的课程标准的单词约为180多个，固定搭配和习惯用语约为40多条。
根据核心素养下的最新课程标准的要求，本套教材的词汇比过去有所增加。为了解决词汇量大所带来的困难，在教学中一定要引导学生改变死记硬背的方法，要指导学生运用科学的英语词汇学习方法，要努力做到：
1．培养学生分音节按拼读规则拼读单词，注意音、形、义结合，做到“听其音知其形，见其形知其音，观其心知其意”。
2．运用构词法知识判断和记忆派生词及合成词的词义和词类。
3，在学习词汇的过程中，善于对比、联想、发现英语单词的构词方法以及多义词、多词性的特点。
4．用比较和归类的方法学习和记忆单词，例如比较同形异义词、同音异形词、同形异音词，比较同义、近义、反义，按词义、词性、发音、构词法等归类，成串记忆单词比单个记忆单词效率要高。
5．直观教学词汇，利用图片、视频、实物的直观效果帮助学生记忆单词。
6，组块学习短语、固定搭配、习惯用语和句型，这种方法有利于学生用英语思维和表达。
7．学会使用词典，根据上下文从词典中找到词义，读音、词性变化、用法、词义辨析等。
8．大量阅读，通过泛读不断复习已知词语，吸收新词，扩大词汇量。
根据课标的要求，通过及对教材的整体把握分析，我提议用“同根联想+发散辐射”记忆词汇法更方便教师备课，会更有效地辅助学生快记巧记单词。增加词汇量，为模块3,4,5的学习奠定牢固的基础。我在这里展示给大家的所选词汇是每单元的大纲要求的部分重点词汇。下列内容个人意见：仅供教师备课作为参考，根据自己的学生特点可选择性的使用。
例如：labor表示“劳动”的意思，记住后，通过“同根辐射“又记住labored(吃力的)，laborious（辛苦的），elaborate精工细作的，collaborate（合作），laboratory（实验室）就非常容易了；
还有些词通过“发散联想”还能记住一些同义词、近义词或反义词。
Unit 1 In Search of the Amber Room
★同根辐射1
rare rare/ rarely、 rarity、rarefied 、raring/scarce
★发散联想1：scarce/ infrequent/unique/unusual /uncommon/outstanding/
★发散联想2：doubt misgiving distrust skepticism suspicion
ANTONYMS（反义词）: confidence, belief, faith, trust (n)
详解如下：
★同根辐射1
☆rare
rare/ rarely、 rarity、rarefied 、raring/scarce
rare adj. (rarely adv 不常、很少、难得；rarefy v. 使稀薄；rarefied变稀薄的/缺氧的 raring =very eager 渴望的、极想的)
----rare describes something that is not often found or something that seldom happens.
Rare描绘不常发现的东西，或者难得发生的事情。
Eg.
1. Edelweiss is a common Alpine plant in Switzerland, but it is rare in the United States.
火绒草是瑞士境内的一种普通的阿尔卑斯山区植物，但是在美国却罕见。
2. Thunderstorms are rare in a desert. 雷雨在沙漠是难得发生的。
3. Something rare is usually very important and valuable. 稀有的东西通常非常重要和珍贵。
4. We speak of collecting rare books or rare stamps. 我们谈到了收集珍本书籍或者珍贵的邮票。
5. We saw a rare sight last Saturday.我们上周六看到了奇观.
☆rarely adv 不常、很少、难得；
rarely used words
生僻的字眼
I rarely trust men.
我很少相信别人
☆rarity n. 稀有, 罕见; 稀罕的东西;珍品；
Rain is a rarity in the desert.
在沙漠中雨是很少见的.
This type of flower is becoming a rarity.
这种花变得稀罕起来了。
☆rarefied adj. 变稀薄的/缺氧的 / 高超的
the rarefied mountain air 稀薄的高山空气
☆raring =very eager 渴望的、极想的)
They were raring to go to the park.
★发散联想1：scarce/ infrequent/unique/unusual /uncommon/outstanding/
●scarce
---Scarce means not plentiful or abundant. Scarce是指数量不多、不充裕。
Eg.
1. Whatever is scarce is usually hard to find or get. 凡是缺乏的东西通常都难于找到或者得到。
2. Food and fuel may become scarce in a town cut off by a blizzard. 在一座被暴风雪封住的城镇，食品和燃料可能会变得缺乏。
●infrequent
---Infrequent means not happening or occurring very often. Infrequent是指不是经常发生或出现。Eg.
Mail deliveries are infrequent in remote mountain areas. 在偏僻的山区，邮件的投递是不经常的。
●unique
---Something unique is rare because it is the only one of its kind. unique的东西是罕见的，因为它是它这一类里唯一的一个。
Eg. The Statue of Liberty is a unique monument. 自由女神緣是一座独特的纪念碑。
●unusual uncommon outstanding
unusual and uncommon
---mean different from the ordinary or common place and often very remarkable. Unusual和uncommon是指与普通的，平凡的（事物）不同，常常是非常显著的。
Eg. The penguin is an unusual bird. It can’t fly. 企鹅是一种异常的鸟。它不会飞。
It is unusual to see snow in Florida. 在佛罗里达州雪景是少有的。
A horse and buggy is an uncommon means of transportation today. 老式马车在今天是一种罕见的运输工具。
● outstanding
---Outstanding means rare, important, or excellent. Outstanding是指稀有，重要或者优秀的。
Eg. We speak of outstandin9ersons and of outstanding achievements.我们提及到了卓越而且成绩杰出的人们。
★发散联想2：
●doubt misgiving distrust skepticism suspicion
ANTONYMS（反义词）: confidence, belief, faith, trust (n)
confidence（信任），belief；（信念，相信），faith（信仰，信义），trust(n)（信赖）
A doubtis a feeling of not being sure or certain. You may have a feeling of doubt about someone who breaks a promise. You may suddenly have doubts about something you’ve always believed in-at some time in your life you might have had a feeling of doubt about the fairy tales. When a person says “Without a doubt” or “There’s no doubt about it, you know that person is sure that something is true. If you answer “I have my doubts,” that person will know what you mean.
A doubt can also be a feeling of not knowing what to do or what decision to make. Sometimes when you finally make a decision, you have a few doubts about it later.
●A misgivingis a doubt, especially about what will happen.
Eg. You may have misgivings as you start to cross a creek by jumping from rock to rock.
Misgiving是一种怀疑，特别是对即将发生的事的怀疑。
当你涉河时从一块石头跳到另一块石头，你可能有些害怕。
●Distrustis a feeling of doubt because you have no confidence in someone or something.
Eg. The zoo keeper says he always approaches the lions with distrust．
Distrust是因你对某人或某物没有信心而产生的一种怀疑感。
动物园的饲养员说，他总带着一种不信任感去接近狮子。
●skepticism
Skepticism is the feeling that you don’t want to believe anything unless u have proof that it is true.
Eg. Some people may show their skepticism, when they ask you to prove something that you have just said.
Skepticism是不愿信任任何事除非你有证据证明它是确实的这种感觉。
Eg. 当某些人要你证实你刚说过的事时，他们可能显示出怀疑态度。
● suspicion
A suspicion is a doubt about something or someone. If you have a feeling of suspicion about someone, you feel that you can’t trust or believe that person. As the snow began to fall, she realized that all her suspicions about a blizzard were true. Seeing a car race down the street at night without headlights on may arouse your suspicion. Everyone in the room at the time of the robbery, was placed under suspicion.
Suspicion是对某事或某人的怀疑。如果你对某人怀疑，你感到你不能信任或相信他。开始降雪时，她认识到她对暴风雪来临的疑虑是正确的。看到一辆小汽车深夜疾驰过街而不开前灯，会引起你怀疑。抢劫案发生时每个在房内的人都在被怀疑之列。
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