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考研英语1388核心词

2014考研白金正序词汇表（最核心1388个）（新东方考研名师张夏老师精选，含配套讲解录音，6个小时完全搞定考研变态核心词汇，做和不做不一样！）a (whole)host of大量，众多a good number 许多人（或物）a matter of… 的问题a range of 众多的a series of 一系列a set of 一系列；一套a sort of 某种a spell of 一段时间a storm of media protest 暴风雨般的媒体抗议a stream of 一连串，大量a variety of 种种，各种absurd 荒谬的abundance 富裕，富有，丰富abuse 滥用；虐待，谩骂accelerate 加速access to 进入，接近accessible 可见到的，易处理的；可接近的，容易得到的；容易理解的accommodate 适应；提供住宿accomplishment 成绩，成就account for 说明（原因等）accounting 结算；会计accuracy 准确度a ccuse…of…指责，控告acknowledge 承认；鸣谢acquaintance熟悉；熟人acquisitive 贪婪的，渴望获得的activate 激活，使活动acute 敏锐的；（病）急性的adaptiveness 适应能力，适应性additional 额外的。

新的adjoin 毗连，靠近adjust to 适应administration 管理局，（一届）政府；行政管理adopt 收养，采用advance 进步，发展；前进advisable可取的，适当的advisory顾问的advocate 倡导者aeronautics 航空术；飞行术affect 影响affiliate 分公司。

附属机构；v。

使奴隶（或附属）于affinity 密切关系；类同afford 提供after all 毕竟against the background 以…为背景agency 专业行政部门；代理行，代理关系aggressive 大胆的；侵略性的aging 老化agony （极度的）痛苦，创痛aim at 目的在于，瞄准aimlessness 无目的性alien 不相容的；陌生的，国外的All that is needed…只需all too太alphabetically 按字母顺序alternative 其他的，二者选一的amateur 业余人士；业余活动ambition 报复；野心amongst 在…的中间，在…之间ample 充分的，富裕的；宽敞的analogous（to）类似的，相似的analyst 分析家ancestor 祖先and so forth 等等anecdote轶事，趣闻annoy 使烦恼，使生气anti-colonial 反殖民主义的anti-consumerism 反消费主义anti-intellectualism 反智力，反学识anything but 决非，远非apart from 除了；分开apparently 明显地appeal to 申诉，上诉；吸引appliance /ə'plaɪəns/电器apply to 适用于，存在于；应用于approach 探讨；处理，对待appropriateness 适宜性，合适性arise from 由…引起，由…产生articulately 清晰明白地artificial 矫揉造作的，人造的；人为的as…..put it 用…的话说as a reaction to 作为对…的反应as legend would have it 像传说中的那样as long as 只要as opposed to 与…相对（或相反），而不是as protection against 作为对…的防备（或保护）as such 这样的as they have in the past 一如既往地as well 也as well as 像…一样好；既…又as yet 到目前为止，迄今为止aspect 方面aspire to追求，渴望assemble 组装，装配；集合assert 断言，宣称assess 评价，评估assign…to 把…归因于assimilate 同化associated with 与…有关系，与…相联系assumption 假定，设想；采取，承担，呈现at a minimum 在最低程度，在最小数量，在最低限度at all 完全，根本at best 充其量，至多at the expense of 以…为代价at the mercy of 任凭…的摆布，完全受…的支配at the outset 一开始attach importantce of 重视attach to 贴上，系上；使附属，使依恋attendant 伴随的，随之而产生的；出席的；n.出席者，服务员attention span注意力的持续时间attractive 有吸引的attribute…to 将…归因于augment 充实，扩充，增加，扩大authentic 真正的，可靠的authorities 当局，机构authority 权威autonomous自治的，自主的available 可利用的；可取得联系的，可得到的baby boom 生育高峰backbone基本格式；骨干，脊柱background 背景back-up 替补的，备份的bacteria 细菌的bad taste 品味不佳的bait 以诱饵引诱；n.饵，诱惑物ballot投票bank on依赖，指望barely 仅仅，几乎不barn牲口棚，粮仓barrier 障碍，屏障be accused of 被指责，被控告be adapted to 适应be aware of 意识到，知道be blamed for 因为…而受到指责be bombarded with 被轰炸，被连续发送be bound to注定，必定be bound up with bound是bind的过去分词和过去式与…密切相关be charged with承担，负责，被控告be confined to 局限于be essential to 对…而言必不可少be exposed to 接触，暴露于…中be forced to do sth. 被迫做某事be limited to （局）限于be linked to 与…有关be marked by 特点是，以…为特点be obliged to sb./sth. 感激某人或某事be occupied with 被…所占据be opposed to 反对be put up for 供（出售或拍卖）等be reduced to 简化为，还原为，沦为be regarded as 被认为be relevant to 与…有关be rooted in 根源在于be spread over 持续，分布be supposed to应该，可以be treated to 以…款待be true of 对…适用，符合behavioral 行为的belt tightening 紧缩开支beneficence行善，善行，馈赠betray背叛，出卖，暴露beyond dispute 无可置疑，不容争辩；很明确binding有约束力的bioethics 生物伦理学biomass （单位面积或体积内）生物的数量bite one’s nails 束手无策bitterly 猛烈地；痛苦地bizarre古怪的blind 被局限，使目眩；a.盲目的blinding 耀眼的，使人眩目的block 阻碍，阻塞，封锁board董事会；委员会boast about 夸耀，夸口；引以为荣bombard 连续发送，向…连续提出问题，痛斥；炮击boom 繁荣，蓬勃发展boost 提高，促进booth（隔开的）小房间，公用电话亭，货摊border界线；边界boundary 边界，边缘brake 刹车brand 品牌break down 中断，出故障break out 爆发break up 拆散，结束breakthrough 突破breed 产生；繁殖；n.教养brighten 使光明brochure 小册子，情况介绍手册broke破产的，不名一文的build-up 积聚，增长bulk 大多数，绝大部分，主体；体积，（大）量bummer 失望；失败；懒汉burdensome 繁重的，难以负担的bureaucracy 官僚体制，政府机构；官僚作风burst into being 突然形成business cycle 经济周期buy up收买，买通by a large margin 以较大幅度by contrast 与之相反，与…形成对比的是by…request 经…请求bypass 绕过byproduct 副产品calendar 日历call for 要求；需要capacity 容量，能力capacity for （具有）…的能力capital 资本captive 被俘虏的career prospects 就业前景caring 护理；照顾carry out 执行，实现carry weight有分量，有影响case-ending词格尾缀cash register 现金进出记录机cashless 无现金的，不用现金的cast a glance at 瞥一眼casual 随意的，非正式的；偶然的casualty受害者；伤亡人数cater(to)满足需要（或欲望）；考虑；迎合causal因果的caution 警告；谨慎cease停止，终止centralized 集中的，中央的centuries-old 持续了数世纪的，古老的certificate 证明书，证书，证明，凭证chamber房间channel 频道，渠道character 性格characteristic of… 特有的，独特的charge 收费charitable慈善的，仁爱的chat show 谈话节目child-bearing 生育chip 芯片chop out减少chronological age 生理年龄（chronological按时间顺序的）chunk 大块，相当大的部分（或数量）circuit 电路circumstance 环境cite 引用，举例civilized 文明的，开化的clash 冲突classic 典型的，经典的classify 分类，归类clear-cut 清晰的，明确的clientele(总称)顾客，委托人clinical 临床的clue线索，暗示coastline 海岸线code 准则，规范，密码cognitive 认知的colonial 殖民地的colonialism 殖民主义column 专栏，列combined with 加上，与…相结合come in…以…形式出现come into use 投入使用，开始使用come of age成年comedy 喜剧command 掌握，命令comment 评论comment on 评论commercial 商业的commercialize 商业化commit crime 犯罪commitment 承诺，责任commodity 商品common ancestor 共同祖先community 界，社区，社会comparative 相对的，比较的compared to 与…相比，比作compared with 与…相比comparison 比较compel 强迫，迫使compensate for 弥补，补偿，赔偿competent胜任的，有能力的complementary 补充的，补足的complexity 复杂compliance遵从，顺从（动词comply）complicated 复杂的component 因素，组成部分comprehensive 综合的，全面的concept概念conception 概念，观念；设想，构想concerned 有关的…concerned about 关心，关注conclusive 有说服力的，确定性的，决定性的concrete 具体的condense into 浓缩成conditionally 有条件地conduct 指挥，管理，行为conference 会议confess承认，坦白confirm to 符合，顺应，遵守confront 勇敢地面对，遭遇confusion 混乱congress 国会，大会connotation 内涵意义，隐含意义consciously有意识地，自觉地consent to同意，默认consequence 后果，影响conservative 保守的，传统的consist of 由…组成consistently一直，不断地constitute 构成，组成constitutional 宪法的constraint限制construct 构建，建设consultant 顾问contend声称，主张；争夺contemporary 当今的，同时代的contention争夺，竞争；争吵；争辩，论点context 环境；上下文contract 契约，合同contradiction矛盾contribute to 有助于，造成controversial有争议的convention 习俗；大会，会议；公约，规约conventional 常规的，惯例的convey传递，运送convince使相信，使信服cool off（使）冷静下来coordination 协调，调和cope with 处理，应付corporate 公司的（名词corporation）corporation 公司correlate with 与…相关，与…相联系corrupt腐蚀，使堕落；堕落的cosmic 宇宙的cottage小屋，村舍，别墅could-be 未来可能的，潜在的counterbalance 抗衡，制衡counter-culture 反正统文化counterpart 对应的人或物coupled with 加上，与…相结合courageous 勇敢的，大胆的course 路线；过程course of reasoning 推理过程courteous 有礼貌地，殷勤的coverage 报道cracked 破裂的craft 工艺，手艺；技巧；飞机，飞船crash失败；碰撞，摔坏creationism 神造说，特创论criminal 犯罪的；n.罪犯crisis 危机criteria 标准，准则critic 批评者；评论家critically 批评地；关键性地criticism 评论，批评crop收获cross-cultural 跨文化的crude （=crude oil原油）粗制的；未经加工的cult 崇拜cunning 巧妙地；狡猾的；诡辩的dam 大坝，水坝database 数据库dead end 绝境；尽头debate 争论，辩论decade 十年deceptive欺骗的，蒙蔽的declaration 宣布，声明decline 衰落，下降decorate 装饰，装修dedicate…to…把…投入到，献给dedicated 专注的，献身的deduce 推断，演绎推理deem 认为，视为defective 有缺陷的defendant被告defender 辩护者defined……as把……定义为definitely肯定的，明确的definition定义degradation恶化，破坏deliberate故意的，认真的deliciously 有趣地，怡人地，可口地delightful使人愉快的，可爱的delivery 发表，表达，交付，递送democratic民主的demographic 人口分布demonstrate 表明，证实，演示dense 稠密的，紧密的deny 否定depend on 取决于depletion耗尽，枯竭depressant镇静剂，抑制药depression 抑郁，消沉，萧条deprivation剥夺deprive…of剥夺derive…from从…获得（或产生）deserve 应该获得designed to…旨在…desirable 称心的，期望得到的desired 理想的，想要的despite尽管destiny命运detach （from）使分开，使分离，拆开detect觉察，侦查，探测deteriorate恶化；衰退determination判断，决定，决心determinism 决定论devalue 贬值device 设备devise 设计diagnosis 诊断dialect 方言dictate 命令，口授，听写die out 灭绝，消失differentiation区分，分化diffusion 传播，扩散digital 数字化（的），数码（的）digital divide 信息差异dilute稀释dim 〈口〉迟钝的，愚蠢的，暗淡的diminish 缩小，减少direct...to 将…转向（或转移到）direction 方面;方向disable使(汽车）不能行使（或运行）；使散失能力，使残废disadvantaged 处于不利位置的，处于弱势的disaster 灾难discard 抛弃discipline 学科；纪律disclose 披露，公布disconnect 隔断，断开discontent 不满discriminate against 歧视disgrace 使蒙羞disguised 伪装的，掩饰的dishonor 使丢脸；侮辱disjunction 差距；分离；分裂dismiss...as 对…不屑一顾，认为…是disorder 疾病，紊乱dispassion 冷静的displacement 转移，取代disposable 可以处置的，可以处理的disputable有争议的disregard 不理会，漠视distaste 厌恶；厌食distinction 区别；杰出distinctly 突出地distinguish between...and... 区分…与… distortion 歪曲distract 打扰，扰乱distrust 不信任diverse 不同的，多种多样的diversion 消遣；转移diversity 多样性，各种各样divert 转移，转向；使高兴divided 分裂的dividend 红利do one’s bidding 听…的吩咐do one’s share of 分担；分享do without 免除，不用doctor 篡改，伪造；治理，医治doctrine 教条，教义document （以文件等）证明，提供证据doll 玩偶，玩具娃娃dome 穹顶，圆顶dominant 主要的，占主导地位的dominate支配，统治；占优势dormant 暂停活动的；潜在的；睡着的doubter 怀疑论者downshifter 过简朴生活者downshifting 放慢生活节奏downsize 裁员，缩小规模draft草案；草稿dramatic戏剧性的，激动人心的；显著的dramatically 大大地，显著地dramatize 使引人注目，使戏剧化，生动地表达draw distinction between 在…与…之间做出区别draw dividend 分红draw...from 由…引出…draw up 排列，写出；停住dreadful 极其大的；可怕的dream up 〈口〉凭空想出，虚构出drive away 赶走driving force 驱动力量，推动dull 沉闷的；乏味的duration 持续时间；期间duty 责任，义务；关税dynamics 动态关系eager热切的，渴望的earnest 认真的，诚挚的effortless 不费力的，容易的egalitarian 平等主义的eightfold 八倍（fold倍）elaborate 详述elegant 完美的，优雅的elementary 基本的；初级的elevated 高尚的，庄严的；提高的elimination 消灭，淘汰elite精英的；n.精英人物elude 把...难倒；逃避，避开；使不被理解（或记忆、主义等）ember 余烬，余火；残存的活动；逐渐淡薄的东西embrace 包括；接受；拥抱embryo 胚胎emerge出现，显现emerging 新兴的emit 释放encode编码encounter 遭遇，遇到endeavor 努力，尽力，力图endure 忍受，承受；持久engage in 从事enhance提高enlightened 有知识的，开明的；文明的enlist 赢得ensure确保，保证entail 使必需，使蒙受，使承担entertaining 有趣的enthrone 使...居于最高位置；使...登上王位；推崇entirely完全entitled to 有权享有entitlement 权益；权利，资格entrench 确立，使处于牢固地位environmentalist 环保主义者envision 想象equate...with... 将...等同于...equipped with 装备，装有equivalent to 等于，与...等值establish 确立，建立evaluation 评估evil 邪恶的evolutionary 进化的evolve 进化exaggeration 夸张，夸大examine考察exceptional 残疾的；例外的，异常的excess 过量的，过度的exclusion 排斥executive 执行的；n.高级管理人员，董事existence存在exotic 外来的，有异国情调的，奇异的expand拓展，扩大expertise 专长，专门知识explanatory 解释性的，用来解释的exploitation 剥削，利用；开发exploration 探索explore探讨；探索explorer探测者，探索者explosion 爆炸；激增exposed to 接触，暴露于…中expressive 富于表现力的，表现的extended family 大家庭，扩大的家庭extent 程度，范围external 外部的，外面的extinguish 熄灭，扑灭；使消灭extremist 极端主义者fabricate 编造，捏造；制造，组装factual事实的；真实的，确凿的failure不能；失败fair集市，交易会，博览会fairness公平faithfully 忠实地fall down 下落，下降fall off (从…往)下落fall victim to 成为…的牺牲品fallacy 谬论，谬误fallout 附带结果，余波；放射性坠尘fancy 想象far-reaching 深刻的，深远的farfetched 牵强的，靠不住的fascinate 迷住，强烈吸引faster-than-light 快于光速的fatal 致命的favorable 有利的；顺利的，赞许的feature 特征，特色，特点federal 联邦（政府）的，联合的feeble 无效的，虚弱的feed 提供（养料等）fertile 肥沃的；多产的feverishly 狂热地；忙乱地figure 数据；数字；形象figure out 计算出；（美口）想出，理解financing 提供资金finely细腻地finite限定的；有限的fissure 裂缝flap 慌乱（或忧虑）状态；激动flexibility 灵活性float 漂浮，漂流flock 群集，聚集；n （一）群；大量flourish 繁荣fluctuation 波动（动词fluctuate)follow from 由...产生，由...推断for real 真正的，确实的；严肃的，认真的for sure 肯定for the benefit of 为了...的利益forecast 预测foresee 预见forge 建立；锻造form of thought 思维方式formal 正式的formation 形成；构成former 前任的；前面的；以前的formulate 构想出；系统的阐述forsake 放弃，抛弃frankly 直率地；坦白地free fall 自由下降frustrate 挫败，使灰心full expression 充分表达fundamental 根本的，基本的furthermore 而且，此外futurologist 未来学家gender 性别（主要指社会性别）gene 基因generate 产生genetically 遗传地genius 天才，创造能力get going 提升；开始工作get on(in life) 出人头地。

生物信息学的conservation

生物信息学是一门综合性学科，它将生物学、计算机科学、数学和统计学等多个学科相结合，以解决生物信息的获取、处理、分析和应用等问题。

在生物信息学中，conservation（保守性）是一个重要的概念，它涉及到生物学中的进化、基因组学、蛋白质组学等多个领域。

本文将从多个角度探讨生物信息学中的conservation，并分析其在生物学研究和应用中的重要性。

一、保守性的概念保守性是生物信息学中常用的术语，它指的是在演化过程中保持相对不变的性质。

在分子生物学中，保守性通常用来描述蛋白质或DNA序列中的特定位置，这些位置在不同物种或个体中保持一致，表明这些位置对生物体的生存和功能起着重要作用。

通过比较不同物种或个体的序列，可以发现保守的区域，从而推断出这些区域可能对生物体的生存和适应具有重要意义。

二、保守性的检测方法在生物信息学中，为了检测保守性位置，常用的方法包括序列比对、保守性分析和进化树构建等。

序列比对是最基本的方法，它可以根据序列的相似性和一致性来寻找保守的区域。

保守性分析则是通过统计学方法来确定保守位点的显著性。

进化树构建可以帮助研究人员分析不同物种或个体之间的关系，从而推断出保守性位置在演化过程中的重要性。

这些方法的综合运用可以帮助科研人员深入理解生物体内部的保守性特征。

三、保守性在基因组学中的应用在基因组学研究中，保守性的概念被广泛应用。

研究人员可以通过对不同物种的基因组序列进行比对和分析，发现保守的基因或序列片段，从而推断这些基因或片段在不同物种中可能起着相似的生物学功能。

这有助于揭示基因组中的重要功能区域，为相关疾病的研究提供重要线索。

保守性分析还可以帮助研究人员鉴定物种特有的基因或序列，为物种鉴定和进化研究提供重要依据。

四、保守性在蛋白质组学中的应用在蛋白质组学研究中，保守性的概念同样具有重要意义。

研究人员可以通过对不同物种的蛋白质序列进行比对和分析，筛选出保守的蛋白质区域或功能域，从而推断这些功能域在不同物种中可能具有相似的生物学功能。

Endangered Species Conservation

Endangered Species ConservationEndangered species conservation is a pressing issue that requires immediate attention from people all over the world. The rapid extinction of various species is a result of human activities such as deforestation, overhunting, and pollution. These activities have led to the destruction of natural habitats, which in turn has caused the decline in the population of various species. The conservation of endangered species is crucial as it helps to maintain the balance of the ecosystem and ensures the survival of various species.One of the perspectives on endangered species conservation is the economic perspective. Many people argue that the conservation of endangered species is not economically feasible. They argue that the resources required to conserve these species could be better utilized to improve human welfare, such as building hospitals and schools. However, this argument ignores the fact that the conservation of endangered species has several economic benefits. For instance, ecotourism, which involves visiting natural areas to observe wildlife, generates significant revenue for many countries. The conservation of endangered species also helps to maintain the balance of the ecosystem, which is essential for the survival of many other species and the provision of ecosystem services such as pollination and water purification.Another perspective on endangered species conservation is the ethical perspective. Many people argue that humans have a moral obligation to protect endangered species. They argue that humans have caused the decline in the population of various species and, therefore, have a responsibility to conserve them. This perspective is based on the belief that all species have intrinsic value and that humans have a duty to protect them. The ethical perspective also recognizes the importance of biodiversity and the role that endangered species play in maintaining the balance of the ecosystem.The political perspective on endangered species conservation is another important perspective. Governments play a crucial role in the conservation of endangered species. They have the power to enact laws and policies that protect endangered species and their habitats. However, the political will to conserve endangered species is often lacking due to competing priorities such as economic development. This perspective recognizes the needfor governments to prioritize the conservation of endangered species and to work together to address the issue on a global scale.The scientific perspective on endangered species conservation is also essential. Scientists play a crucial role in understanding the causes of the decline in the population of various species and in developing strategies to conserve them. They conduct research on the biology, ecology, and behavior of endangered species to develop effective conservation strategies. The scientific perspective recognizes the importance of using evidence-based approaches to conservation and the need for ongoing research to improve conservation efforts.The cultural perspective on endangered species conservation is another important perspective. Many cultures have traditional beliefs and practices that involve the conservation of endangered species. For example, some indigenous communities believe that certain species have spiritual significance and should be protected. The cultural perspective recognizes the importance of respecting and incorporating traditional knowledge and practices into conservation efforts. It also recognizes the importance of engaging local communities in conservation efforts and ensuring that they benefit from the conservation of endangered species.In conclusion, the conservation of endangered species is a complex issue that requires a multidisciplinary approach. The economic, ethical, political, scientific, and cultural perspectives are all essential in understanding the issue and developing effective conservation strategies. The conservation of endangered species is not only important for the survival of various species but also for the provision of ecosystem services and the economic benefits of ecotourism. It is crucial that governments, scientists, local communities, and individuals work together to address the issue and ensure the survival of endangered species for future generations.。

确定性等值名词解释

确定性等值名词解释确定性等值名词解释是一种特殊的语法，它可以帮助读者和听者更清楚地理解一段话中的某个或某些词语。

这种语法的特征是用一个词语来代表另一个词语，以便能更清楚地表达所要传达的思想。

在日常生活中，确定性等值名词解释可以帮助我们更容易理解另一个人说话的内容，同时也可以帮助我们更有效率地表达自己想要表达的思想。

确定性等值名词解释与同义词解释有密切的联系，但它们也有自己的特征。

确定性等值名词解释指的是把一个词语替换成另一个词语，但这两个词语的意思是一致的，无论是写作还是说话，这种方式的使用是非常普遍的，也是一种很有用的表达方式。

确定性等值名词解释的使用非常广泛，比如，在学习英语的过程中，我们经常会发现单词之间有着一定的联系，这时我们可以使用确定性等值名词解释来表达，比如“desirable”可以等值替换为“desired”，或者把“ingenious”替换为“clever”，这样就可以更清楚地表达意思。

在商务交流或文献研究中，确定性等值名词解释也有很重要的作用。

如果我们把某个重要的科技术语替换成一个更易理解的普通名词，就可以使我们的讲述更加清晰，并且可以让听众理解我们想要表达的意思。

此外，当进行文献研究时，也可以使用确定性等值名词解释引入更多有用的信息。

表达不同的概念用词也需要进行确定性等值名词解释，这样可以让观众更容易理解发言者的思想，也可以把发言者的思想用一句句清晰有力的文字表达出来。

另外，确定性等值名词解释在学术上也被广泛使用，比如学术论文中，撰写者可以使用确定性等值名词解释，把当前发表的论文与之相关的另一篇文献研究相连接。

这样就可以使论述更加清晰，使读者可以更容易理解发言者要表达的思想，进而更有效率地完成文献研究。

还有一种特殊的确定性等值名词解释，叫做“定义类别认知”，它的特点是可以把一组概念合在一起，组成一个整体。

这种定义类别认知可以帮助读者更容易理解一个概念在整体中的定义，也可以帮助读者把一组概念串联起来，从而加深读者对概念的认知。

大学英语范文欣赏加强自然资源保护意识

大学英语范文欣赏加强自然资源保护意识大学英语范文欣赏加强自然资源保护意识conquer v.征服，战胜，占领;克服，破除conquest n.征服conscience n.良心，良知conscientious a.认真的，conservation n.保存，保护，保守;守恒，不灭conservative a.保守的，守旧的n.保守主义者considerable a.相当大的`，可观的;值得考虑的considerate a.考虑周到的.体谅的consideration n.需要考虑的事，理由;考虑，思考;体谅，照顾consist v.在于，存在于;由组成，由构成consistent a.前后一致的，始终如一的consolidate v.稳固，加强conspicuous a.显眼的，明显的constant a.经常的，不断的;坚决的，永恒的，忠实的n.常数，恒量constituent a.形成的，组成的n.成分，要素constitute v.组成，构成constitution n.构成，构造，组成，成分;体格，体质;宪法A party consisted of ten conservatives. They were conscientious men. In consequence of their conscience, they worked constantly to raise peoples consciousness on the conservation of natural resources. They said that the humanbeing kept conquering nature and in consequence one day we would pay for the conquest at a considerable cost. Its conspicuous that forest was getting less and less. Consequently, every conscious person should give careful consideration to this problem. The ideas in their speeches were consistent. Analyzing their speech into its constituent parts, we knew that the strength of it consisted in the justice of it. Many people consented to support them. So their confidences were consolidated. The consensus of opinion at the latest meeting was that they would try to persuade the Congress to constitute some new constitutions. They were really considerate!。

国信ca注释

国信ca注释The world is a vast canvas, filled with countless colors and shapes. Each culture, each nation, each individual contributes their unique hues and contours to this ever-evolving masterpiece. As we traverse this globe, we encounter diverse landscapes, rich histories, and fascinating traditions.世间犹如一幅宏大的画卷，充满了无数色彩与形状。

每一种文化、每一个国家、每一个个体，都为这幅不断演变的杰作贡献着独特的色彩与轮廓。

当我们踏遍全球时，会遇见各式各样的风景、丰富的历史和引人入胜的传统。

One such culture that has captivated the imagination of many is the ancient civilization of China. With a history spanning thousands of years, China has a rich tapestry of traditions and customs that have stood the test of time. The country's art, music, literature, and philosophy have all left a profound impact on the world.其中一种令许多人遐想联翩的文化便是中国古老的文明。

中国拥有数千年的历史，其丰富多样的传统和习俗经受住了时间的考验。

该国的艺术、音乐、文学和哲学都为世界留下了深远的影响。

Unit3Conservation复习知识清单三-高中英语北师大版(2019)选择性

Unit 3 复习三背诵版一必备词汇67.anger n.愤怒；怒气68.decade n.十年，十年期69.gas n.气，气体70.cancer n.癌症71.relate vi.相联系，有关联72.be related to 与……有关联73.regular adj.定期的，有规律的74.suit vt.适合n.套装75.essay n.论说文；散文anic adj.不使用化肥的，有机的，绿色的77.involve vt.包含，需要78.institute n.机构；研究院79.poultry n.家禽肉，家禽80.billion n.十亿81.opponent n.反对者；对手，敌手82.cruel adj.残忍的83.instance n.例子，实例84.for instance 例如85.claim vt.声称；断言；主张n.声称；（根据权力而提出的）要求86.chemical n.化学品adj.化学的87.drug n.药物，药材；毒品88.sum vt.概括，总结n.金额，款项；总数89.sum up 概括，总结90.mittee n.委员会91.temple n.庙宇，寺院92.Confucius 孔子93.memorial n.纪念馆；纪念碑adj.（对逝者）纪念的，追悼的94.carve vt.雕，刻95.valley n.谷，山谷96.scenic adj.景色优美的97.historic adj.古老的；历史上重要的98.thunderstorm n.雷暴99.typhoon n.台风100.agricultural adj.农业的101.Atlantic adj.大西洋的二.必背短语1.set up建立2.take action/steps/measures to do sth.采取措施做某事3.remove…from…从……中移除4.take care of/ look after 照顾，照料5.do away with 废除；取消；结束6.on one's way home在某人回家的路上7.stop off中途停留8.be wrapped in被/用……包裹着9. in this case 假使这样；在这种情况下10.end up doing sth.最终做某事11.be anxious for sth.渴望得到某物be anxious to do sth.渴望做某事12.throw away 扔掉13.get stuck in 陷入，困于14.stressed out 焦虑的15.go up增长，上涨16.go downtown去市中心17 pared to/with…与……相比18.an average of…平均……19.to be frank/frankly speaking坦率地说20.be addicted to （doing）sth.沉迷于（做）某事/物三.必背派生词1.annoy vt.使恼怒，打扰→annoyed烦恼的，生气的/annoying adj.令人气恼的→annoyance n.2.anger n.&v.→angry adj.→angrily adv.愤怒地，生气的3.regular adj. 定期的，有规律的→regularly adv.→irregularly adv.不规律的4.cruel adj.残忍的→cruelty n.→cruelly adv.5.chemical n.化学品adj.化学的→chemically adv.→chemistry n.化学→chemist n.化学家，药剂师四.必背句子1. Without the efforts made by the volunteers, the environment would not have bee so good.没有这些志愿者的努力，环境就不会变得这么好。

25版：UNIT 3 CONSERVATION

Ⅰ.阅读单词——会意1．item n．一项，一条2．rhino n．犀牛3．horn n．(牛、羊等头上的)角4．asteroid n．小行星5．hatch v i.& v t.(使)孵化6．packet n．小包，小盒7．packaging n．包装盒(瓶、袋)，包装材料8．coconut n．椰子9．shell n．壳；贝壳10．innovative adj.新颖的，创新的，革新的11．refillable adj.可再填充的12．bin n．垃圾箱13．carton n．硬纸盒；塑料盒14．cutlery n．餐具15．council n．委员会；理事会16．roadworks n．道路施工17．organic adj.不使用化肥的，有机的，绿色的18．institute n．机构；争辩院19．poultry n．家禽肉，家禽20．committee n．委员会21．temple n．庙宇，寺院22．Confucius孔子23．memorial n．纪念馆；纪念碑adj.(对逝者)纪念的，追悼的24．carve v t.雕，刻25．typhoon n．台风26．Atlantic adj.大西洋的Ⅱ.重点单词——记形1．plastic adj.塑料制的2．threat n．威逼；(灾难等坏事)发生的可能3．switch v i.& v t.转换，转变4．incredibly ad v.格外地，极端地5．species n．物种，种6．mass adj.大量的7．decrease v i.& v t.削减n．削减；削减的量8．blame v t.责怪，指责9．affect v t.影响10．solar adj.太阳光(能)的11．restore v t.(使)恢复12．wrap v t.包，裹13．transportation n．交通运输系统，运输方式14．swallow v i.& v t.吞下，咽下15．chopsticks n．筷子16．jam n．拥挤，堵塞；果酱17．decade n．十年，十年期18．gas n．气，气体19．cancer n．癌症20．essay n．论说文；散文21．involve v t.包含；需要22．billion n．十亿23．instance n．例子，实例24．claim v t.声称；断言；主见n．声称；(依据权利而提出的)要求25．drug n．药物，药材；毒品26．sum v t.概括，总结n.金额，款项；总数27．valley n．谷，山谷28．thunderstorm n．雷暴29．agricultural adj.农业的Ⅲ.拓展单词——悉变1．conservation n．爱护→conserve v t.爱护；节省→conservative adj.保守的；守旧的2．destroy v t.破坏；毁掉→destruction n．破坏；毁坏3．mining n．采矿业→mine n．矿；矿井→miner n．矿工4．recycle v i.& v t.再利用，回收利用→recyclable adj.可回收利用的；可再循环的→unrecyclable adj.不行回收的5．informative adj.有教育意义的；学问性强的→inform v．通知→information n．信息6．illegally ad v.非法地，违法地→illegal adj.非法的，违法的→legally ad v.合法地→legal adj.合法的7.hunt v i.& v t.猎取，猎杀→hunting n．打猎→hunter n．猎人8．extinct adj.灭亡的，绝种的→extinction n．灭亡9．urgent adj.紧急的，急迫的→urgently ad v.迫切地；急迫地→urgency n．紧急状况10．unusual adj.特别的；不平常的→unusually ad v.不寻常地→usual adj.平常的→usually ad v.通常地11．varied adj.形形色色的→vary v．变化→various adj.各种各样的→variety n．种类12．endangered adj.濒危的→endanger v．使面临危急；危及；危害→danger n．危急→dangerous adj.危急的13．consumer n．消费者→consume v．消费；消耗；吃，喝→consumption n．消费；消耗14．wasteful adj.铺张的；挥霍的→waste v．& n．铺张15．dirt n．灰尘，尘土→dirty adj.脏的16．realistic adj.现实的，实际的→real adj.真的；真实的→really ad v.真正地；的确地→reality n．真实；现实→realize v t.实现；生疏到17．aware adj.意识到的，明白的→awareness n．意识→unaware adj.不知道的；未察觉到的18．collection n．收集；保藏品；专辑→collect v．收集；保藏19．anxious adj.焦虑的，担忧的→anxiety n．焦虑20．reusable adj.可再使用的，可重复使用的→reuse v．再使用，重复使用21．stuck adj.卡住的，无法移动的→stick v．将……刺入(或插入)；刺22．annoyed adj.苦恼的，生气的→annoy v t.使……不悦；惹恼→annoying adj.使人苦恼的→annoyance n．生气；令人苦恼的事物23．anger n．生气；怒气→angry adj.生气的；生气的→angrily ad v.生气地；生气地24．relate v i.相联系，有关联→related adj.相联系的→relation n．联系，关联25．regular adj.定期的，有规律的→regularly ad v.有规律地→irregular adj.无规律的26．suit v t.适合n．套装→suitable adj.适合的27．opponent n．对手；反对者→oppose v．反对→opposed adj.反对的；截然不同的28．cruel adj.残忍的→cruelly ad v.残忍地；残酷地→cruelty n．残忍29．chemical adj.化学的n．化学品→chemistry n．化学→chemist n．化学家；药剂师30．scenic adj.景色美丽的→scene n．地点，现场；场面→scenery n．风景31．historic adj.古老的；历史上重要的→history n．历史→historian n．历史学家1．tow/təʊ/v t.牵引，拖，拉(车或船)2．slam/slæm/v i.& v t.(把……)砰地关上3．cosmetics/kɒz'met I ks/n.化妆品，美容品4．installment/I n'stɔːlmənt/n.(尤指报刊等上的连载故事的)一期5．in a nutshell一言以蔽之，简洁地说6．expire/I k'spa Iə/v i.到期，过期，失效expiration/ˌekspə'reIʃən/n.到期，期满7．valid/'væl I d/adj.有效的；正式认可的8．reverse/r I'vɜːs/v i.& v t.调换(次序)；推翻；倒车9．podcast/'pɒdkɑːst/n.播客(可从因特网上下载的一种广播节目)10．count on v．依靠，期望；期望，料想11．spectacular/spek'tækjələ/adj.壮丽的；精彩的12．immigration/ˌI m I'ɡre Iʃən/n.入境检查处；移民入境Ⅳ.背核心短语1．die out消逝；绝迹，灭亡2．wipe out彻底毁灭3．be to blame(对某事)负有责任4．be at risk境况危急，受到威逼5．traffic jam交通堵塞6．stressed out焦虑的7．be related to与……有关联8．for instance例如9．sum up概括，总结10．have a role起某种作用11．do one’s part 尽自己的职责12．set out开头做某事，着手进行Ⅴ.悟经典句式1．Although it is not unusual for species to die out naturally，the rate at which this is now happening is cause for concern.(It is not unusual for sb to do...)虽然物种的自然灭亡并不罕见，但现在灭亡的速度让人担忧。

写昆虫的英语作文

Insects are a class of creatures that have fascinated humans for centuries due to their incredible diversity,unique behaviors,and vital roles in ecosystems.Here is an English essay about insects,exploring their characteristics,importance,and some of the most common species.The Marvel of Insects:A World of Tiny GiantsInsects are the most diverse group of animals on our planet,with over a million described species and many more yet to be discovered.They belong to the class Insecta within the phylum Arthropoda,characterized by a chitinous exoskeleton,a threepart body head, thorax,and abdomen,three pairs of jointed legs,compound eyes,and one pair of antennae.Characteristics of Insects1.Exoskeleton:Insects possess a hard,protective exoskeleton made of chitin,which provides structural support and protection from predators and environmental factors.2.Metamorphosis:Many insects undergo metamorphosis,a process of development that includes four distinct life stages:egg,larva,pupa,and adult.This allows for drastic changes in form and function as they grow.3.Reproduction:Insects reproduce at an astonishing rate,with many species laying hundreds or even thousands of eggs at a time,ensuring the survival of their species.4.Diversity:Insects are incredibly diverse in size,shape,and color,ranging from the tiny fairyfly to the large,colorful butterflies and beetles.Importance of Insects1.Pollination:Many insects,particularly bees,butterflies,and moths,play a crucial role in pollinating plants,which is essential for the production of fruits,vegetables,and nuts.2.Decomposition:Insects such as beetles and flies are vital in breaking down dead organic matter,recycling nutrients back into the ecosystem.3.Food Source:Insects are a primary food source for many animals,including birds, reptiles,and other insects.4.Biological Control:Some insects,like ladybugs and praying mantises,are natural predators of pests,helping to control populations of harmful insects in agriculture.Common Insect Species1.Butterflies and Moths Lepidoptera:Known for their beautiful wings and patterns,they are important pollinators and serve as a food source for many animals.2.Beetles Coleoptera:With the largest number of species,beetles are incredibly diverse, from the small ladybugs to the large,shiny scarabs.3.Ants,Bees,and Wasps Hymenoptera:These social insects are known for their complex colonies and roles in pollination and pest control.4.Flies Diptera:Although many species are considered pests,some,like the hoverfly,are beneficial pollinators.5.Dragonflies and Damselflies Odonata:These agile fliers are predators of other insects and are important for controlling mosquito populations.Conservation and InsectsInsects face numerous threats,including habitat loss,pesticide use,and climate change.It is crucial to protect their habitats and reduce the use of harmful chemicals to ensure the survival of these essential creatures.ConclusionInsects are not just a part of nature they are the backbone of many ecosystems.Their survival is intertwined with ours,and understanding their importance can lead to better stewardship of our environment.As we continue to explore the world of insects,we uncover the intricate connections that bind us all in the web of life.This essay provides a comprehensive overview of insects,their characteristics,ecological importance,common species,and the need for conservation efforts.It is a testament to the significance of these tiny creatures in the grand scheme of life on Earth.。

conservation单词树

conservation单词树Conservation保护Introduction介绍Conservation is the practice of protecting and preserving the environment, natural resources, and wildlife for future generations. It is a crucial aspect of sustainable development, ensuring that we can continue to enjoy and benefit from our planet's resources without compromising their availability for future generations. In this article, we will explore the concept of conservation and delve into different aspects of this important practice.What is Conservation?什么是保护？Conservation encompasses a wide range of activities and efforts aimed at preserving the natural world. It involves the management and protection of natural resources such as water, air, forests, and wildlife, to name a few. The primary goal of conservation is tomaintain ecological balance and prevent the depletion and deterioration of natural resources.Why is Conservation Important?为什么保护很重要？Conservation plays a critical role in sustaining the earth's ecosystems and ensuring the survival of countless species. By conserving natural resources, we can ensure a stable supply of clean water, clean air, and fertile soil. Conservation also helps maintain biodiversity, which is vital for ecosystems to function properly. It provides habitat for wildlife, promotes ecological balance, and supports the overall health of our planet.The Steps of Conservation保护的步骤1. Environmental Education环境教育One of the first steps in conservation is raising awareness and educating individuals about the importance of protecting theenvironment. Environmental education helps people understand the impact of their actions on the planet and encourages them to make more sustainable choices. Educating the younger generation about conservation is particularly crucial, as they will be the future custodians of the earth.2. Sustainable Resource Management可持续资源管理Conservation involves managing natural resources in a sustainable manner. This includes using resources efficiently, minimizing waste, and finding alternative solutions that reduce our reliance on finite resources. Sustainable resource management also entails implementing regulations and policies that protect ecosystems and prevent overexploitation of resources.3. Habitat Restoration栖息地恢复Restoring degraded habitats is an essential step in conservation efforts. Human activities, such as deforestation and pollution, have caused significant habitat loss for many species. Habitat restorationinvolves planting trees, removing invasive species, and reintroducing native plants and animals to rejuvenate ecosystems. By restoring habitats, we create a suitable environment for wildlife and help preserve biodiversity.4. Wildlife Conservation野生动物保护Protecting wildlife is a crucial part of conservation. Many species are at risk of extinction due to habitat loss, poaching, pollution, and climate change. Conservation efforts focus on protecting endangered species, conserving their habitats, and implementing measures to prevent illegal trade and hunting. National parks and protected areas play a vital role in safeguarding wildlife and providing them with a safe haven.5. Renewable Energy可再生能源Transitioning from fossil fuels to renewable energy sources is a significant step in conservation. Renewable energy, such as solar and wind power, produces clean energy without depleting naturalresources or emitting greenhouse gases. By utilizing renewable energy, we reduce our carbon footprint and mitigate the effects of climate change, thus protecting the environment for future generations.6. Community Involvement社区参与Encouraging community involvement and participation is essential for successful conservation efforts. Engaging local communities in conservation projects fosters a sense of ownership and responsibility towards the environment. This can be achieved through educational programs, community-led initiatives, and partnerships with local organizations. By involving communities, we create a collective effort towards safeguarding our natural environment.Conclusion结论Conservation is a multifaceted practice that involves various steps and approaches to protect our environment, natural resources, andwildlife. It requires the collective effort of individuals, communities, and governments to address the challenges and ensure a sustainable future for generations to come. By understanding the importance of conservation and taking action, we can make a significant impact on preserving the beauty and diversity of our planet. Let us embrace conservation as a way of life and safeguard our earth for future generations.。

Unit 3 Conservation 单元重点小结

21. annoyed
adj.烦恼的,生气的
22. decade n.十年,十年期
23. regular
adj.定期的,有规律的
24. suit
vt.适合 n.套装
25. involve
vt.包含,需要
26. cruel
adj.残忍的
27. claim
vt.声称;断言;主张 n.声称;(根据权利而提
二、非限制性定语从句
1.The sun heats the Earth, which makes it possible
for plants to grow.
2.The old man has a son, who
is in the army.
3.The number of the smokers, as
Unit 3 Conservation 单元重点小结
重点单词
1. destroy
vt.破坏;毁掉
2. item
n.一项,一条
3. recycle
vi.&vt.再利用,回收利用
4. informative adj.有教育意义的;知识性强的
5. threat
n.威胁;(灾难等坏事)发生的可能6. swiຫໍສະໝຸດ chwas reported,
has dropped by 17 percent.
交际功能
提议及接受意见 We should... 我们应该…… I think... 我认为…… Let’s... 让我们…… That sounds... 听起来……
十年寒窗磨利剑，一朝折桂展宏图！
vi.&vt.转换,改变
7. species
n.物种,种

雅思阅读分类词汇_2

雅思阅读分类词汇雅思阅读分类词汇--环境问题雅思阅读分类词汇--环境问题conservation 保护，保存( conserve)v.s. conversation environmentalist = conservationistacid 酸酸的(＜＞alkali)acid raincarbon 碳(c) v.s. charcoal (炭)carbon dioxide, carbon monoxidefume exhaust fumesv.s. smoke, fog, she game dune !attributable 归因于be attributable todeforestation 滥砍滥伐（森林）de + forest + ation＜＞afforestation/reforestationlog 原木，日志伐木v.s. logovegetation 植物，植被v.s. vegetable, vegetarianhabitat 栖息地habit (habit is the second nature.)ecosystem 生态系统(eco + system)~ ecologyviability viable vi : life养育能力one tool for assessing the impact of forestry on the ecosystem is population viability analysis.demographic 人口统计的demo(people) + graph(write) + icinterdependence inter + dependencecounterbalance 使平衡，弥补(=offset)counter(against) + balancemechanism 机理，机制precipitation 陡降，降水( precipice)＜＞evaporationcirculation 流通，循环tide tidal wave (海啸)＜＞ebb ＜＜＜earthquaketyphoon ~ tornado, hurricanemeteorology 气象(学)volcano 火山eruption 喷发( erupt)volcanic eruption ＞＞＞lavagranite 花岗岩imminent = impending v.s. eminentcelsius 摄氏的37ocv.s. centigradefahrenheit 华氏的latitude 纬度(另) longitude, altitudetropical (the) tropicstropical/torrid zone, temperate zone, frigid zoneglacier 冰川dump 倾倒，倾销anti-dumpingcontaminate 弄脏( contaminant)recycle 回收再利用irreversible 不可逆的(= irrevocable)reclaim 开垦，改造reclamationcontentious 有争议的( contend)many environmental issues today are highly contentious.opt 选择(+ for) optionprioritize 优先考虑( prior, priority)雅思阅读分类词汇--环境问题相关内容:。

Unit3Conservation复习知识清单一-高中英语北师大版(2019)选择性

Unit 3 复习一背诵版一必备词汇1.conservation n.保护2.destroy vt.破坏；毁掉3.plastic adj.塑料制的4.mining n.采矿业5.item n.一项，一条6.recycle vi. &vt.再利用，回收利用7.unrecyclable adj.不可回收的rmative adj.有教育意义的；知识性强的9.threat n.威胁；（灾难等坏事）发生的可能10.switch vi. &vt.转换，改变11.have a role 起某种作用12.do one’s part 尽自己的职责13.rhino n.犀牛14.illegally adv.非法地，违法地15.hunt vi. &vt.猎取，猎杀16.horn n.（牛、羊等头上的）角17.extinct adj.灭绝的，绝种的18.incredibly adv.非常地，极端地19.urgent adj.紧急的，急迫的20.die out 消失；绝迹，灭绝21.species n.物种，种22.wipe vt.擦；拭23.wipe out 彻底毁灭24.unusual adj.异常的；不平常的25.mass adj.大量的26.varied adj.各种各样的，形形色色的27.asteroid n.小行星28.decrease n.减少；减少的量vi. &vt.减少29.blame vt.责怪，指责30.be to blame 把……归咎于31.affect vt.影响32.be at risk 处境危险，受到威胁33.endangered adj.濒危的的二.必背短语1. die out消失；绝迹；灭绝2. die down 逐渐变弱，逐渐平息3. die of/from 死于……，因……而死4. set out to do sth.set about doing sth.开始做某事5.set off 出发，启程；使爆炸6.sum up 概括，总结7.in sum 总之to sum up 总之8.apart from除……之外9.blame sb.for (doing) sth. 因为（做某事）责怪某人10.be to blame 把……归咎于11.be to blame for 对……负有责任12.be aware of sth.明白/意识到某事13.be related to 与……有联系14.relate to 理解；联系15.suit one's needs满足某人的需求16.be suitable for 适合……17.involve sb.in （doing）sth.让某人参与（做）某事18. be involved in参加，参与近：take part inparticipate in三.必背派生词1. conserve v.保护→conservation n.→conservative adj.保守的，守旧的2. threat n.威胁→threaten v.→threatening adj.威胁的/threatened adj.受到威胁的3. vary v.不同；变化→varied adj.各种各样的→various adj.→variety n.多样性4. affect v.影响→effect n.→unaffected adj.未受影响的5. aware adj.意识到的，明白的→awareness n.6. relate vi.相联系，有关联→related adj.有关的→relation n.联系，关系→relative n.亲属& adj.相对的→relatively adv.相当地，相对地7. suit vt.适合& n.套装→suitable adj.合适的8. involve vt.包含；参加；牵连→involved adj.→involvement n.四.必背句子1. The more efforts we make, the better world we'll have.我们为保护环境付出的努力越多，我们的世界就越美好。

新gre考试机考填空词汇4

新gre考试机考填空词汇4 conservation "n. 保护,保存"conservative "a. 保守的,守旧的,有保存力的" considerate "a. 体贴的,体谅的,顾虑周到的" consign "vt. 交付,分配,委托,寄存"consistent "a. 一致的,调和的,并立的,坚固的" contact "n. 互通信息,交际,互通意见,接触" contemplative "a. 沉思的,爱默想的,冥想的" contentious "a. 好争吵的,爱争论的,有异议的" continuing adj. 连续的contradictory "a. 反驳的,反对的,抗辩的" contravene "vt. 1 违反,违背,冒犯"contrivance "n. 发明,发明的才能,想出的办法," controversial "a. 争论的,论争的,被议论的" controversy "n. 论争,辩论,论战,争论" conventional "a. 传统的,习惯的,约定的" convincing "a. 使人信服的,有力的,令人心悦诚服的" copy "n. 副本,摹仿,一册"correction "n. 订正,改正,改正的地方"correlated a. 有相互关系的cosset "宠爱,珍爱,溺爱"costless adj.costlier 不花钱的counteract "vt. 抵消,防碍,中和" counterbalance "使平衡,使补充"counterfeiter "n. 伪造者,货币伪造者,假造者" counterpart ",配对物,相对应物"counterpoise "vt. 平均,平衡,使平衡"create "vt. 创造,建造,引起,把...列为" credence "n. 信用,祭器台,供桌,凭证" credibility "n. 可信用,确实性,可靠" CREDIBLE "a. 可信的,可靠的"credulity "n. 易信,轻信"critic "n. 批评家,鉴定家"critical "a. 批评的,决定性的,危险的,临界的" criticism "n. 批评,评论,非难"crude "a. 天然的,未成熟的,粗糙的,粗鲁的" currency ",流通,通用"currency "n. 通货,流通,通用"cursory "a. 匆匆忙忙的,草率的,粗略的" damaged a. 被损坏的data data-collecting 数据搜寻daunting a. 使人畏缩的。

红薯对世界的影响英语作文

The sweet potato,scientifically known as Ipomoea batatas,is a starchy root vegetable with a rich history that has significantly impacted the world in various ways. Here are some key points that illustrate the influence of the sweet potato on a global scale:1.Agricultural Significance:The sweet potato is a hardy crop that can thrive in a variety of climates,making it an important staple for many cultures.It is droughtresistant and can be grown in poor soil conditions,which has been crucial for food security in regions with limited agricultural resources.2.Nutritional Value:Sweet potatoes are packed with vitamins,minerals,and dietary fiber. They are an excellent source of vitamin A,which is essential for good vision,immune function,and overall health.The presence of betacarotene also contributes to their nutritional profile,making them a valuable food source in combating vitamin A deficiency.3.Cultural Impact:The sweet potato has been integrated into the cuisines of many countries.In Japan,it is used in traditional dishes like satsumaimo,while in the United States,it is a popular ingredient in holiday meals like Thanksgiving.In Africa and South America,it is a staple food,often prepared in stews and baked dishes.4.Economic Contribution:The cultivation and trade of sweet potatoes have played a role in the economies of various regions.They are a profitable crop for farmers,and their versatility in cooking and baking has created a demand in both local and international markets.5.Historical Role:The sweet potato is believed to have originated in Central or South America and was spread by European explorers to Africa and Asia.It played a significant role in the diets of indigenous populations before the arrival of the Europeans and later became a vital food source during times of famine in Europe.6.Biodiversity and Genetic Resources:The genetic diversity of sweet potatoes is vast, with thousands of varieties existing around the world.This diversity is important for breeding programs aimed at improving crop resilience to pests and diseases,as well as adapting to changing climate conditions.7.Health Benefits:Beyond their nutritional content,sweet potatoes have been linked to various health benefits.They are low in fat and calories,making them a healthy choice for those looking to maintain or lose weight.Additionally,their high fiber content aids in digestion and can help lower cholesterol levels.8.Sustainability:As a crop that requires fewer inputs such as water and fertilizers compared to other staple crops,sweet potatoes contribute to sustainable agricultural practices.They can also help in soil conservation due to their deep roots that prevent erosion.9.Food for the Future:With the increasing global population and the need for more sustainable food sources,sweet potatoes are considered a potential solution.They can be grown with less environmental impact and provide a nutritious food source for communities around the world.10.Culinary Innovations:The sweet potato has inspired a range of culinary innovations, from traditional dishes to modern fusion cuisine.Its adaptability in recipes has led to the creation of new foods and flavors,enriching global gastronomy.In conclusion,the sweet potatos influence extends beyond its agricultural and nutritional contributions.It has shaped cultures,economies,and diets,and continues to play a vital role in global food security and health.。

石油对人类的害处英语作文

Oil, a nonrenewable resource, has been a cornerstone of modern society since the Industrial Revolution. However, its extraction, use, and disposal have had significant negative impacts on the environment and human health. Here are some of the detrimental effects of oil on humanity:1. Environmental Pollution: The extraction and transportation of oil often result in spills and leaks that pollute water bodies and soil. The 2010 Deepwater Horizon oil spill in the Gulf of Mexico is a stark example of the devastating environmental consequences of such incidents.2. Climate Change: The burning of oil for energy releases greenhouse gases, primarily carbon dioxide, into the atmosphere. These gases trap heat, leading to global warming and climate change, which has farreaching effects on weather patterns, sea levels, and ecosystems.3. Health Issues: Exposure to oil and its byproducts can lead to various health problems, including respiratory issues, skin irritation, and even cancer. Workers in the oil industry are particularly at risk.4. Dependency and Conflicts: The worlds reliance on oil has led to geopolitical tensions and conflicts, as nations vie for control over oilrich regions. This has resulted in wars and instability in many parts of the world.5. Economic Instability: The price of oil is subject to volatile fluctuations, which can destabilize economies, particularly those of oilexporting countries. Sudden price drops can lead to economic recessions and job losses.6. Resource Depletion: As oil is a finite resource, its extraction and consumption contribute to resource depletion. This raises concerns about the longterm sustainability of our energy sources and the need to invest in alternative, renewable energy options.7. Habitat Destruction: The search for oil often involves drilling in sensitive ecosystems, leading to habitat destruction and loss of biodiversity. This can have cascading effects on the food chain and overall ecosystem health.8. Displacement of Communities: Oil extraction projects can lead to the displacement of indigenous communities and local populations, who often suffer from the loss of their lands and traditional ways of life.9. Acid Rain: The burning of oil contributes to the formation of acid rain, which candamage forests, freshwater bodies, and even buildings and infrastructure.10. Ocean Acidification: The increased levels of carbon dioxide in the atmosphere also lead to ocean acidification, which threatens marine life and the balance of ocean ecosystems.In conclusion, while oil has been instrumental in driving industrialization and modernization, its harmful effects on the environment and human health cannot be ignored. It is crucial for societies to transition towards cleaner, more sustainable energy sources to mitigate these negative impacts and ensure a healthier future for all.。