diagram [ˈdaɪəɡræm] n. 图表，图样
dial [ˈdaɪl] vt. 拨(电话号码)
dialogue [ˈdaɪəlɔɡ] n. 对话
diamond [ˈdaɪəmənd] n. 钻石
diary [ˈdaɪərɪ] n. 日记
dictation [dɪkˈteɪʃ(ə)n] n. 听写
dictionary [ˈdɪkʃənərɪ] n. 词典，字典
diet [ˈdaɪət] n. 饮食;节食 v. 节食
Diet foods can indirectly harm our bodies because consuming them means we are preventing our bodies from having basic nutrients.【2013北京阅读】节食产品会间接地伤害我们的绳梯，因为食用它们意味着阻止我们的身体获得基本的营养物质。
Humans generally diet to improve health or increase attractiveness.【2014湖南阅读】人们节食总体上是为了改善健康或增加吸引力。
Such a diet is based primarily on grain products, fruits, and vegetables, with moderate amounts of meat and dairy products.【2013上海阅读】这样的饮食主要基于粗粮产品、水果、蔬菜以及适量的肉类和奶制品。
用法：go/be on a diet 节食
She seemed to be on a diet.【高考真句】她似乎在节食。
different [ˈdɪfrənt] adj. 不同的
用法：be different from 与……不同
Scientists think the first interactions humans had with horses were far different from those today.【2013北京阅读】科学家们认为最初人与马的互动不同与今天人与马的互动。
be different in 在……方面不同
Although all kites have a similar structure, they are widely different in size and shape.【2012安徽阅读】尽管所有的风筝都有相似的结构，但是它们在尺寸和形状上有很大的不同。
different的名词形式：difference
different的动词形式：differ
difference [ˈdɪfrəns] n. 差异，差别
This difference may explain why men are more likely to suffer from stress-related disorders.【2012上海阅读】这个差异也许解释了为什么男人更有可能遭受与压力相关的疾病。
用法：make a/the difference (to) (对……)有影响，有作用
We try to create work experience opportunities that will really make a difference to our youth.【2013福建阅读】我们努力创造一些提供工作经验的机会，这些机会对我们的青年人会产生很大的影响。
differ [ˈdɪfə] v. 不同
用法：differ in 在……方面不同;
Leaves are found on all kinds of trees, but they differ greatly in size and shape.【2012上海】所有种类的树都有叶子，但是他们在大小和形状上有很大不同
differ from 与……不同
How do adolescent peer groups differ from childhood peer groups? 【2012上海阅读】成年组同龄人与儿童组同龄人是怎样不一样的。
difficult [ˈdɪfɪkəlt] adj. 困难的，不容易的;(人)不宜相处的
You may think that sailing is a difficult sport, but it is really not hard to learn it.【2012全国二阅读】你也许认为帆船运动是一项不容易的运动，但是学这项运动真的不难。
They also say it is difficult to know if students are learning well.【2015辽宁阅读】他们也说很难知道学生是否学的好
How does a difficult person know that you’re listening and understanding?【2015安徽任务型读写】一个难以相处的人怎样知道你在倾听并且了解他们
difficult的名词形式：difficulty
difficulty [ˈdɪfɪkəltɪ] n. 困难
用法：have difficulty (in) doing sth 做……有困难
Apparently, I had difficulty adapting myself to life in the city, let alone finding a job to my delight.【2014上海阅读】明显我很难适应城市生活，更不用说找一个令我高兴的工作。
dig [dɪɡ] v.挖;挖掘
digest [daɪˈdʒest] n. v. 消化，理解
In his opinion, reading means taking in the information, digesting it and incorporating it into oneself just as one digests a sandwich and makes it a part of himself.【2015湖北阅读】根据他的观点，阅读意味着吸收信息、理解信息以及并入信息就像一个人消化了一个三明治并使其成为他自己的一部分。
digital [ˈdɪdʒɪtl] adj. 数字的，数码的 digital technology 数码科技
dignity [ˈdɪɡnɪtɪ] n. 尊严，自尊
Some parents forgot their duty and their dignity.【2015浙江阅读】一些父母忘记了他们的职责和尊严。
dilemma [dɪˈlemə] n. 进退两难的境地
On-line voting becomes increasingly popular, and many competitions get people involved in it. It is beneficial to some people, while it puts others into a dilemma over whether to vote or not.【2016江苏书面表达】
dinner [ˈdɪnə] n. 正餐，晚餐
dinosaur [ˈdaɪnəsɔː] n. 恐龙
dioxide [daɪˈɔksaɪd] n.二氧化物
carbon dioxide 二氧化碳
dip [dɪp] vt. 浸，蘸
diploma [dɪˈpləʊmə] n.文凭
direct [dɪˈrekt] v. 指导;命令;把(某物)对准……; adj. 直接的
The United Nations Organization(UNO) could undertake to direct the distribution of aid. 【2013江西阅读】
UNO可以承担指导援助的分配。
Giving direct help by giving materials may be effective in the short run and must continue to be given in the event of emergencies. 【2013江西阅读】通过给物质这种直接的帮助也许在短期是有效的，并且在紧急情况发生的时候还得给。
professor Andreas Bernard directed all his attention to this experience, studying the origins of elevator and its relationship to humankind.【2014湖北阅读】Andreas Bernard将他所有的注意力对准了这项实践，研究电梯的起源以及它与人类的关系。
direct的名词形式：direction; director
direction [dɪˈrekʃən] n. 方向，指导
You must go first in one direction and then in another.【2012全国二阅读】你必须先朝一个方向走然后再朝另一个方向。
Why men refuse to ask for directions?【2013陕西阅读】为什么男人拒绝指导?
短语：in the direction of…朝….方向;under sb’s direction 在……指导下
director [dɪˈrektə] n. 导演;主任(因为direct做动词有指导的意思，所以我们可以把director理解为“官”)
dirty [ˈdɜːtɪ] adj. 脏的 dirty的名词形式：dirt [dɜːt] n. 污物;脏物
disabled [dɪsˈeɪbəld] adj. 残疾的
This special school accepts all disabled students, regardless of educational level and background.【2014江苏】这个特殊学校接受所有残疾学生，不管他们的教育背景和水平怎样
disabled的名词形式：disability
disability [dɪsəˈbɪlɪtɪ] n. 残疾
A German study suggests that people who were too optimistic about their future actually faced greater risk of disability or death within 10 years.【2013湖北阅读】德国一项研究表明那些对未来过于乐观的人实际上在10年内面对更大死亡或残疾的风险。
disadvantage [dɪsədˈvɑːntɪdʒ] n. 不利条件;缺点;劣势
The advantages of new technology outweigh its disadvantages.【2016北京阅读】新技术的优点大于缺点。
disagree [dɪsəˈɡriː] v. 不同意;不一致
用法：disagree with不同意……;与……不一致
I disagree with this view.【2012北京阅读】 我不同意这个观点。
disagree的名词形式：disagreement [dɪsəˈɡriːmənt] 不同意;不一致
disagree的反义词：agree v. 同意，一致
disappear [dɪsəˈpɪə] v. 消失
The next morning their happiness disappeared.【2015北京完形】第二天，他们的快乐消失了
disappear的名词形式：disappearance 消失
disappear的反义词：appear v. 出现
disappoint [dɪsəˈpɔɪnt] v. 使…..失望
There are plenty of well-qualified candidates, so it is not wrong to reject someone who might disappoint my customers.【2012陕西阅读】有许多非常合格的候选人，所以拒绝那些可能让我失望的顾客是没有错的
disappoint的形容词形式：disappointed; disappointing
disappoint的名词形式：disappointment
disappointed [dɪsəˈpɔɪntid] adj. 失望的
These jobs didn’t pay well, and the people felt lonely and disappointed with their new life in the city.【2013安徽阅读】这些工作的工资不高，人们感到孤独并且对城市里的新生活非常失望。
disappointing [ˌdɪsəˈpɔɪntɪŋ] adj. 令人失望的
disappointing news 令人失望的消息
disappointment [dɪsəˈpɔɪntmənt] n. 失望
If services do not reach the high level promised, disappointment will be the result.【2015浙江阅读】
如果服务没有达到允诺的标准，顾客将会非常失望
用法：to one’s disappointment 令某人失望的是
Susan was expecting her favorite singers, but to her disappointment, none appeared.【2013全国一阅读】
苏珊正在期待他最喜欢的歌星，但是令人失望的是，没有一个最喜欢的歌星出现。
disaster [dɪˈzɑːstə] n. 灾难
It is reported that many a new house is being built at present in the disaster area.【2015陕西】据报道现在许多新房屋建立在灾区
同义词: catastrophe [kəˈtæstrəfɪ] n. 灾难
discount [ˈdɪskaʊnt] n. 折扣
During 10 days you can enjoy a half price discount and a free delivery.【2013北京阅读】在这10天内你可以享受半价折扣和免邮费。
用法：at a discount 以折扣价
discourage [dɪˈskʌrɪdʒ] 使灰心;阻止，防止
I knew that nothing would ever discourage him; he would never give up wanting to be a director.【2015湖南】我知道任何事情都无法阻止他，他从不放弃想成为一名导演。
Do not let any failures discourage you, for you can never tell how close you may be to victory.【2013湖南阅读】不要让失败让你灰心，因为你从不知道你与胜利有多近。
用法：discourage sb from doing sth阻止某人做某事
Lucy wants to see if African honeybees might discourage elephants from eating crops.【2014安徽阅读】
Lucy想看看非洲蜜蜂是否也许阻止大象吃庄稼。
discover [dɪˈskʌvə] v. 发现;了解到
The most important skill for children to learn is to discover things on their own.【2012浙江阅读】
儿童所要学习的最重要的技能就是独自发现事情。
You’ll discover what interests you by taking courses in many subjects.【2014四川阅读】通过学习多门课程你将了解到什么使你感兴趣。
discover的名词形式：discovery
discovery [dɪˈskʌvərɪ] n. 发现
According to Jack and her colleagues, the discovery shows that human communication of emotion is more complex than previously believed.【2015湖南阅读】根据杰克和他的同事，这项发现表明人类感情交流比以前认为的要复杂。
discrimination [dɪskrɪmɪˈneɪʃn] n. 歧视
Sex discrimination still exists nowadays.【2013福建阅读】性别歧视在今天仍然存在。
discuss [dɪsˈkʌs] v. 讨论;阐述
It may discuss a sensitive topic.【2015浙江阅读】它有可能阐述一个敏感话题。
用法：discuss with sb (about) sth与某人就某事进行讨论
When writing an essay or carrying out project work, you can often discuss with your tutor about the title and topic.【2006福建阅读】当你写文章或实施项目的时候你可以和你的导师就标题和话题进行讨论。
discuss sth with sb与某人谈论某事
My parents are happy to discuss things with me and willing to listen to me.【2012北京阅读】我的父母乐于和我讨论事情并且愿意倾听。
discuss的名词形式：discussion [dɪsˈkʌʃn] n. 讨论
disease [dɪˈziːz] n. 疾病
We know very little about these new diseases.【2014全国一阅读】关于这些新疾病我们所知甚少。
disgusting [dɪsˈɡʌstɪŋ] adj. 恶心的
Upsetting people with unsigned messages is cruel and disgusting.【2013安徽阅读】用未署名的信息让人们不开心是残忍与恶心的。
dish [dɪʃ] n. 盘子;一道菜
The food especially appeals to health-conscious eaters because each dish is very healthy.【2015湖南阅读】
这食物对于有健康意识的食客都有吸引力，因为每一道菜都很健康。
dislike [dɪsˈlaɪk] v. 不喜欢，厌恶
They dislike living with their parents.【2012北京阅读】他们不喜欢和他们的父母住一起
dismiss [dɪsˈmɪs] v. 解雇，开除;拒绝考虑，否定
After everything I’d done for the company, they dismissed me by text!【2013上海阅读】在我为公司付出一切后他们竟然通过短信的方式解雇我
A spokesman for the health supplement industry has argued that other research shows that Vitamin C supplements help prevent heart disease, but we can dismiss this evidence as it is from a biased source. 【2013上海阅读】保健产业的发言人争辩到：维他命C补品会组织心脏疾病;但是我们可以拒绝考虑这一证据因为其偏见的来源
disobey [dɪsəˈbeɪ] vt. 不服从
They disobeyed the laws of business physics.【2015四川阅读】他们违背了商业的物理法则。
distance [ˈdɪstəns] n. 距离;远处;疏远
Riding horses allowed people to travel far greater distances in much less time.【2013北京阅读】
骑马可以让人们在更短的时间里走更长的距离。
The two other rich men saw this from a distance and commented with each other how the third rich man lacked sympathy.【2015陕西完形】其他两个富人从远方看到了这一幕，评论到第三位商人是多么没有同情心
I saw a car in the distance and jumped up as I recognized the car.【2015浙江阅读】我看到了一辆车在远处，当我认出这辆车的时候我跳了起来。
There was still a distance between me and father.【高考真句】我和爸爸仍然有点疏远。
distance的形容词形式：distant [ˈdɪstənt]远的
distinction [dɪˈstɪŋkʃn] n. 差别，不同;卓越，优秀
It was once common to regard Britain as a society with class distinction.【2015广东阅读】我们曾今吧英国看作一个有阶级差别的社会。
It wouldn’t have to be a big talent, just enough so that she might gain some sense of distinction.【2014上海阅读】她不必有一个特别大的才能，管够就行;这样它就可以获得一种优秀的感觉。
distinction 的形容词形式：distinct
distinct [dɪˈstɪŋkt] adj. 不同的
When I first came to America, I noticed that a public building had two different signs and they had distinct functions.【2015广东完形】当我第一次来美国的时候我看到一个公共建筑有两个不同的记号并且它们都有不同的功能。
distinguish [dɪˈstɪŋɡwɪʃ] v．区别;辨别
Distinguish between research reports and public health advice.【2014北京阅读】将研究报告和公共健康报告区分开来。
By the time we are adults, we have the ability to distinguish around 100,000 faces.【2013上海阅读】
到我们是成年的时候我们就有了区分大约10万张脸的能力。
distinguish的形容词形式：distinguished
distinguished [dɪˈstɪŋɡwɪʃd]adj. 卓越的，杰出的
The Town Hall built in the 1800s was the most distinguished building at that time.【2012上海】
建于19世纪的市政厅是当时最杰出的建筑。
distribute [dɪˈstrɪbjuːt] v. 分配，分发;提供，配送
Even more extraordinary was that the Hatches had their farmland distributed.【2014山东阅读】更加不凡的是Hatcher夫妇将他们的土地给分了。
Since the organization started, Kids F.A.C.E. members have distributed and planted over 1 million trees! 【2013山东阅读】 自从该组织成立以来，Kids F.A.C.E.成员配送并且种植了100多万棵树。
同义词：allocate v. 分配
distribute的名词形式：distribution[ˌdɪstrɪˈbju:ʃn]分配，分发;提供，配送
district [ˈdɪstrɪkt] n. 区
disturb [dɪˈstɜːb] v. 打扰;影响，干扰
Neighbors should do all they can to avoid disturbing other people.【2014湖南完形】邻居们应该做他们所能做的以免打扰邻居。
They disturb the ecological balance in the wilderness.【2015江苏阅读】他们干扰了荒野的生态平衡。
disturb的形容词形式：disturbing 令人不安的
dive [daɪv] v. 跳水，潜水
diverse [daɪˈvɜːs] adj. 各种各样的
English is a language shared by several diverse cultures, which uses it differently.【2014天津】英语是由各种文化共同使用的语言，他们使用的方式有点不一样。
diverse的同义词：various adj. 各种各样的
diverse的名词形式：diversity
diversity [daɪˈvɜ:səti] n. 多样性
They play a critical role in creating the diversity of species in this area.【2015湖南阅读】他们在创造该领域物种多样性方面扮演着极其重要的角色。
diversity的同义词：variety n. 多样性
divide [dɪˈvaɪd] v. 分;分成;使产生分歧;(最根本的意思是“分”)
The library is divided into different zones.【2013天津阅读】图书馆被分成不同的区域。
It makes a job easier to divide the group task among all group members.【2013江苏任务型读写】
将团体任务分配给所有的组员使工作变得更容易。
When it was first performed, critics were divided over the music.【2013山东任务型读写】当这首音乐第一次被演奏的时候，评论家对此是有分歧的
divide的名词形式：division [dɪˈvɪʒn]分;分歧
divorce [dɪˈvɔːs] n. 离婚 v. 与……离婚
He married five times and divorced five times.【2013山东阅读】他结了5次婚离了5次婚
dizzy [ˈdɪzɪ] adj. 头晕目眩的
I felt a little dizzy.【2015山东完形】我有点头晕目眩。
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