6 - Fundamental growth
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六级常用单词1、经济:economic globalization(经济全球化)、sustainable development(可持续发展)、unfair competition(不正当竞争)、rack down on fake commodities (打假)、boom(繁荣)、fiercecompetition(激烈竞争)、creditcrisis(信用危机)、stabilize prices (稳定物价)。
2、文化:great andprofound (博大精深的)、integrationand interaction(融合交汇)、crash(碰撞)、charming(极具魅力的)、splendid(壮丽辉煌的)、English fever(英语热)。
3、环保:environment-friendly(生态型的,环保的)、threatof global warming(全球变暖的威胁)、promote fundamental shifts in the economic system and mode of economic growth(促进经济体制和经济增长方式的转变)、curbenvironmental pollution/ bring the pollution under control(治理环境污染)、develop renewable resources(开发可再生资源)、alow-carbon economy (低碳经济)。
4、科技:science and technology(科学技术)、web-addiction(沉迷网络)、computer crime(电脑犯罪)、e-commerce(电子商务)、virtual life (虚拟生活)、information era(信息时代)、cyber romance(网恋)。
5、就业:applicant(申请人)、position available/ vacantposition(空缺职位)、competent(能胜任的)、bequalified for(合格的)、proficiency(熟练程度)、jobarrangement andbenefit(工作待遇和福利)、promotion (晋升)、gender-biased(性别歧视的)、appearance-biased(相貌歧视的)。
正畸学英文A: activator肌激动器;Adams clasp箭头卡;adjunctive orthodontec treatment辅助性正畸治疗;adolescence青春期;adolescent spurt青春萌动期;adult orthodontic treatment 成人正畸治疗;advanced stages of root resorption严重牙根吸收;alignment 排齐;aluminum shield铝挡板; alveolar bone 牙槽骨; alveolar bone height 牙槽骨高度;amniotic cavity 羊膜间隙(是指在外胚层和滋养层间的空腔);anchorage control支抗的控制; Angle Class II malocclusion安氏II类错合;Angle classification 安氏分类法;anterior crosssbite 前牙反合;anterior face height 前面高;anterior neuropores 前区神经孔;anterior open bite 前牙开合;anterior overbite 前牙深覆合; anterior shift 前伸移位; anteroposterior maxillary excess 上颌前突;anteroposterior relationship近远中关系;antiplaque agents 抗菌斑生成剂;apical root resorption根尖吸收;apically repositioned flap 龈瓣根向转移;apposition (of teeth)定位(牙);arch form (of bone)弓形(牙槽骨);arrow clasp 箭头卡;articulare 关节点,asymmetry非对称性;average growers正常发育者B: ball clasp球行卡环; base of the tongue舌根; behavioral sciences 行为科学; bilaminar disk双层胚盘; biologic considerations 生物因素;biometric norm 生物测量正常值;bionator生物调节器;Blanche test 变白测试(用于测试上颌唇系带是否附丽过低,或延伸至腭侧切乳头);blastocele;blastocyst cavity 分裂腔;blastocyst 囊胚;blastomere 分裂球;bodily movement 整体移动;body image 身体形象;body of the tongue 舌体;bonded bracket粘结式托槽;bonded(fixed)appliance 粘结式(固定)矫治器;bonded retainer粘结式保持器;bonding of molars 磨牙粘结术;bone loss 骨缺失;bracket system 托槽系统;Brodie syndrome 布罗迪综合征(患者表现为下颌骨偏小畸形,下颌骨后缩或上颌骨巨大,同时伴有后牙正锁);brushing instructions 刷牙医嘱;buccopharyngeal membrane 颊咽粘膜C:C clasp C型卡环;calcification钙化;cartilaginous neurocranim软骨性颅;cartilaginous viscerocranium软骨性面颅;center of resistance 阻抗中心;center of rotation 旋转中心;cephalometric standards 头影测量标准值;cervical , attachment颈带;cessation 停止;chief concern 主诉;chlorhexidine洗必泰;chondrocranium软骨颅;chondrogenesis软骨生成;chorion绒毛膜; chorionic cavity绒毛腔;circumpubertal acceleration 青春快速发育期;Class I molar relationship 磨牙I类关系;Class II elastics II类弹性牵引;Class III subdivision III类亚类; cleavage 分裂;clefting 裂;clockwise rotation 顺时针旋转。
㊃卫生服务评价㊃婴幼儿生长速率分析方法的研究现状李燕1, 熊忠贵2ʌ基金项目ɔ 湖北省卫生计生委面上项目(W J 2017M 129)ʌ作者单位ɔ 1武汉科技大学医学院,湖北武汉,4300702湖北省妇幼保健院儿童保健科,湖北武汉,430070ʌ通信作者ɔ 熊忠贵,E -m a i l :x i o n g z h o n g g u i @h b f y.c o m ʌ摘要ɔ 婴幼儿生长速率是生长发育基础研究的前沿领域㊂婴幼儿生长速率的分析方法包括Z 评分法㊁两点指数法㊁两点平均法㊁J B 生长模型㊁分段线性混合模型和偏度系数-中位数-变异系数法,影响因素的分析方法包括多元线性回归法㊁平移法和G L M 广义线性模型㊂对目前国内外常用的婴幼儿生长速率的分析方法进行综述㊂ʌ关键词ɔ 婴幼儿; 生长速率; 影响因素; 分析方法ʌ中图分类号ɔ R 174 ʌ文献标志码ɔ A D O I :10.3969/j.i s s n .1673-5625.2024.02.026R e s e a r c h S t a t u s o fA n a l y s i sM e t h o d s o f t h eG r o w t hR a t e s f o r I n f a n t s a n dY o u n g Ch i l d r e n L IY a n *,X I O N G Z h o n g g u i .*S c h o o lo f M e d i c i n e ,W u h a n U n i v e r s i t y o f S c i e n c e a n d T e c h n o l o g y ,W u h a n ,430070,C h i n aʌA b s t r a c t ɔ T h e g r o w t h r a t e s f o r i n f a n t s a n d y o u n g ch i l d r e n a r e t h e f r o n t i e r o f f u n d a m e n t a l r e s e a r c h f o r g r o w t h a n d d e v e l o p m e n t .T h e a n a l y s i sm e t h o d s o f t h e g r o w t h r a t e s f o r i n f a n t s a n d y o u n g c h i l d r e n i n c l u d e Z -s c o r e s ,2-p o i n t e x po -n e n t i a lm e t h o d ,2-p o i n t a v e r a g em e t h o d ,J e n s s -B a y l e y 's g r o w t h m o d e l ,pi e c e w i s e l i n e a rm i x e d m o d e l ,a n dL a m b d a -M u -S i g m a m o d e l .T h e a n a l y s i sm e t h o d s o f i n f l u e n c i n g f a c t o r s i n c l u d em u l t i p l e l i n e a r r e g r e s s i o nm o d e l ,s u p e r i m po s i -t i o nb y t r a n s l a t i o na n d r o t a t i o n ,a n d g e n e r a l i z e d l i n e a rm o d e l .T h ea n a l y s i sm e t h o d so f t h e g r o w t hr a t e s f o r i n f a n t s a n d y o u n g c h i l d r e nw e r e r e v i e w e da t h o m e a n da b r o a d i n t h i s s t u d y .ʌK e y wo r d s ɔ I n f a n t s a n d y o u n g c h i l d r e n ; G r o w t h r a t e s ; I n f l u e n c i n g f a c t o r s ; A n a l y s i sm e t h o d s 婴幼儿生长速率是国际上研究生长发育状况比较热门的评价指标㊂2006年世界卫生组织颁布的生长参数基于全球多中心研究,收集0~24个月儿童大样本的纵向资料和18~60个月儿童的横向资料,作为评价儿童生长速率的国际标准[1]㊂与单纯的体格发育相比,生长速率能更清晰地反映儿童生长发育的轨迹,敏感地监测儿童生长发育的偏离情况[2],有效避免或减少累积性营养不良和身材矮小等不良后果㊂婴幼儿体格生长的评价包括生长水平㊁生长速率和匀称度三方面内容㊂目前,婴幼儿生长水平(横断面资料)的分析方法已有较多综述性研究,而生长速率(纵向监测资料)的分析方法尚缺少系统性研究㊂本文就目前国内外常用的婴幼儿生长速率的分析方法进行综述,以进一步完善婴幼儿生长速率的评价内容㊂1 生长速率概念及评价方法婴幼儿生长速率(gr o w t hr a t e )是指通过定期连续的体格测量,获得在一定时间内体格发育的增长值,它是决定生长发育水平的关键指标[3]㊂婴幼儿生长速率能够准确㊁科学评估婴幼儿的生长发育,预测婴幼儿的生长潜力,发现婴幼儿生长发育的偏离轨迹[4-5]㊂在临床研究中,婴幼儿生长速率主要采用绝对值和相对值评价㊂相对绝对值法来说,相对值法不受种族㊁性别及年龄等差异的限制,已得到广泛的临床应用㊂1.1 生长速率的评价方法1.1.1 绝对值法 采用婴幼儿特定年龄段体质量㊁身长(高)的绝对增长值表示㊂计算公式为:生长速率=后一年龄点测量值-前一年龄点测量值㊂有关研究显示,正常出生体质量(n o r m a l b i r t hw e i g h t ,N B W )和低出生体质量(l o w b i r t h w e i g h t ,L B W )婴儿,其体质量3~6月龄分别增长(1.95ʃ0.61)k g ㊁(1.79ʃ0.44)k g ,6~12月龄分别增长(1.80ʃ0.48)k g ㊁(1.70ʃ0.49)k g;身长3~6月龄分别增长(7.15ʃ1.54)c m ㊁(7.38ʃ1.46)c m ,6~12月龄分别增长(8.60ʃ1.35)c m ㊁(8.49ʃ0.96)c m ,N B W 组和L B W 组婴儿在不同年龄段体质量㊁身长生长速率无显著性差异[6]㊂绝对值法受种族㊁性别及年龄等差异的限制,在临床中一般应用较少㊂1.1.2 相对值法 采用婴幼儿特定年龄段身长或体质量绝对值的差值除以间隔时间表示㊂计算公式为:生长速率=(后一年龄点测量值-前一年龄点测量值)/两个年龄点间隔时间(月)㊂一项出生队列研究表明,婴儿身长生后0~1月增长4.95c m ,1~3个月每月增长3.72c m ,3~6个月每月增长2.14c m ,6~9个月每月增长1.42c m ,9~12个月每月增长1.19c m ;体质量生后0~1月增长1.32942中国社会医学杂志2024年4月第41卷第2期 C h i n e s e J o u r n a l o f S o c i a lM e d i c i n e ,A pr i l 2024,V o l .41,N o .2k g,1~3个月每月增长1.19k g,3~6个月每月增长0.54k g,6~9个月每月增长0.33k g,9~12个月每月增长0.31k g[7],随着年龄的增长,婴幼儿生长速率逐渐变缓㊂相对值法不受种族㊁性别及年龄等差异的限制,在临床中得到广泛应用㊂2生长速率的分析方法婴幼儿生长速率总体的变化趋势在不同的年龄阶段存在明显的差异㊂生长速率的分析方法包括Z评分法㊁两点指数法㊁两点平均法㊁J B生长模型㊁分段线性混合模型和偏度系数-中位数-变异系数法㊂在临床研究中,可根据不同的研究对象采取不同的分析方法㊂2.1Z评分法2009年世界卫生组织采用Z评分法(Zs c o r e m e t h o d)计算婴幼儿生长速率㊂Z评分法可客观地评价婴幼儿生长速率,但不能反映生后适应的生理条件,如生理性体质量下降等[8]㊂计算公式:Z评分=(实际测量值-该性别该月龄平均值)/该性别该月龄标准差,生长速率=(后一年龄Z评分-前一年龄Z评分)/两个年龄点间隔时间(月)[9]㊂S e púl v e d a-V a l b u e n a等[10]根据婴幼儿6㊁12㊁18月龄年龄别体质量Z评分(w e i g h t f o ra g ezs c o r e, WA Z)和身长别体质量Z评分(w e i g h t f o r l e n g t hz s c o r e,W L Z)的差值将追赶生长分为:缓慢(< -0.67)㊁正常(ȡ-0.67和ɤ0.67)和快速(>0.67)㊂一项回顾性队列研究表明,婴儿3月龄的喂养方式会影响其后的生长速率,配方奶喂养可导致生长速率的曲线上移,增加婴儿超重㊁肥胖的风险[11]㊂Z 评分法不受种族㊁性别及年龄等因素的影响,适用于不同婴幼儿生长速率的比较研究㊂2.2两点指数法P a t e l等[12]首次使用两点指数法(2-p o i n t e x p o-n e n t i a lm e t h o d)计算婴幼儿生长速率㊂然而,S i m o n 等[13]研究指出,与Z评分法相比,两点指数法计算生长速率与实际结果存在较大差异㊂计算公式:生长速率=[1000ˑl n(W n/W1)]/(D n-D1),其中W1为起始体质量(g),W n为观察第N天体质量(g), D n-D1代表时间间隔(d)㊂有关研究表明,在没有重大疾病的情况下,支持极低出生体质量儿生后的目标生长速率通常为15~20g/(k g㊃d)[14]㊂两点指数法不受疾病严重程度等临床因素的影响,适用于所有婴儿生长速率的评估㊂2.3两点平均法2005年P a t e l等[12]提出使用两点平均法(2-p o i n t a v e r a g em e t h e d)计算婴幼儿生长速率㊂计算公式:生长速率=[1000ˑ(W n-W1)]/{(D n-D1)ˑ[(W1+W n)/2]},其中W为体质量(g),D为天数,1代表间隔时间的开始,n代表间隔时间的结束㊂F e n t o n等[15]指出,评估增重速率的时间隔间应选择5~7天及以上,可减少干扰因素,提高评估精确度㊂A b d a l l a h等[16]使用两点平均法计算早产儿的体质量增长速率,指出极低出生体质量早产儿出院后前4周及随后4周的体质量增长速率小于15g/(k g.d)是生长失败的独立因素㊂两点平均法易受婴幼儿常见临床因素的影响,适用于临床研究及科研总结[17]㊂2.4J B生长模型2005年D o m m e l e n等采用J B生长模型(J e n s s-B a y l e y'sG r o w t h M o d e l)描述儿童从出生到8岁的生长情况[18]㊂J B模型方程:y i j=e A i+e-B i.t i j+e C i. (1-e-e-D i.t i j),其中y i j表示第j次测量时儿童i的体质量或身长,t i j表示以天单位的年龄,A i㊁B i㊁C i㊁D i 表示第i次儿童的函数参数,由此推导其一阶导数方程:生长速率=e-B i+e C i-D i-e-D i.t i j[19-20]㊂J B生长模型包含反映特定阶段的生长参数,受样本量的影响较大,适用于拟合个体体质量和身高曲线,从而模拟个体生长轨迹,同时可通过其一阶导数计算获得个人体质量及身高(长)的增长速率[20]㊂2.5分段线性混合模型1998年由S i n g e r提出使用分段线性混合模型(p i e c e w i s e l i n e a rm i x e dm o d e l),又称线性样条多层次模型(l i n e a r s p l i n e sm u l t i l e v e lm o d e l s)分析个体增长轨迹[21]㊂计算公式:y i j=β0+u0j+ðc+1k=1βk+u k j s i j k+e i j,其中β0, ,βc+1是每组节点之间的平均截距和平均斜率的固定系数,u k j为个体j从t k-1到t k平均斜率的差值,u0j是个体j与平均截距的差值㊂M o n j a r d i n o等[22]在一项大样本出生队列研究中采用分段线性模型获得了体质量和身长增长速率,并指出体质量或身长的快速增长与儿童骨量之间存在正相关关系㊂分段线性混合模型十分灵活,允许使用所有可用的数据,能有效处理重复数据产生的共线性和缺少部分数据所产生的偏差,突出了婴幼儿不同生长时段和不同婴幼儿生长速率的差异,其局限性在于生长速率的线性假设[23]㊂2.6偏度系数-中位数-变异系数法1992年由统计学家C o l e和G r e e n共同提出的偏度系数-中位数-变异系数法(L a m b d a-M u-S i g m a, L M S)(L为B o x-C o x转化的正态幂λ估计值,M为中位数,S为变异系数),是被广泛应用于建立生长参考曲线的一种统计方法,不仅适用于正态分布资料,而且适用于大部分偏态分布资料[24]㊂计算公式:C100a(t)=M(t)[1+L(t)S(t)Z a]1/L(t),-3ɤZ aɤ3[8]㊂2009年世界卫生组织利用预测的L㊁M㊁S值,使用常用的L M S公式,分别构建不同年龄及性别婴幼儿体质量㊁身长㊁头围的增长速率曲线[5,8],从而制定生长速率的百分位数标准㊂L M S 法可构建婴幼儿光滑的生长速率曲线,准确估计生052中国社会医学杂志2024年4月第41卷第2期 C h i n e s e J o u r n a l o f S o c i a lM e d i c i n e,A p r i l2024,V o l.41,N o.2长速率的正常值范围及变化趋势,但易受体质量指数等混杂因素的影响[25]㊂3影响因素的分析方法各种生物及环境因素的交互作用共同影响婴幼儿的生长速率㊂影响因素的分析方法包括多元线性回归法㊁平移法和G L M广义线性模型㊂应采取一定的方法排除干扰因素,突出重要因素及其交互作用,提高婴幼儿生长速率的干预效果㊂3.1多元线性回归模型多元线性回归模型(m u l t i p l e l i n e a r r e g r e s s i o n m o d e l)是一种经典的统计学分析方法㊂参数模型: y︿=β0+β1x1+ +βi x i,其中β0是常数项,x i为自变量,βi是偏回归系数㊂一项研究采用多元线性回归模型分析婴幼儿生长速率的相关影响因素,依据危险因子对早产婴儿生长速率的贡献大小,共有孕周㊁出生身长两个有利变量和性别㊁分娩次数两个不利变量与早产婴儿身长的生长速率存在关联;孕周㊁出生体质量两个有利变量和分娩次数㊁妊娠高血压综合征两个不利变量与早产婴儿的体质量生长速率存在关联[7]㊂多元线性回归模型可分析因变量与多个自变量的线性依存关系,量化影响因素的作用,但受适用条件限制,不能提出针对性的决策建议,且需要判断多个自变量之间复杂的交互作用[26]㊂3.2平移模型平移模型(s u p e r i m p o s i t i o nb y t r a n s l a t i o na n d r o t a t i o n,S I T A R)是B e a t h基于形状不变模型(s h a p e i n v a r i a n tm o d e l,S I M)展开简化婴儿生长模型的描述,它于2010年被C o l e等[27]命名并推广,是具有单一拟合曲线的形状不变模型㊂参数模型: y i j=a0+a i+h[t-β0-βie x p(-γ0-γi)]+εi j,y i j是个体i在年龄j的测量值,a0㊁β0㊁γ0是固定效应,a i㊁βi㊁γi是个体i的随机效应,分别代表个体生长曲线相较于平均曲线在大小㊁时间和速度3个维度上的变化,h(t)是一条三次样条曲线,εi j是独立的正态分布误差[28]㊂平移模型可用于解释婴幼儿生长曲线的非线性形状,可直观了解生长速率突增的时间和强度,量化婴幼儿的增长差异,有助于研究临床协变量及治疗干预措施对生长速率的影响,具有评估生长轨迹和使用所有可用数据而不考虑测量时间和频率的优势[29],但对一些更具复杂性和极端值的样条模型拟合度不佳㊂3.3广义线性模型广义线性模型(g e n e r a l i z e d l i n e a r m o d e l s, G L M)是于1972年由N e l d e r等首次提出的统计学分析方法[30]㊂参数模型:η=α+ʏx(t)β(t)d t,g-1 (η)=E(Y|x)=μ,V a r(Y|x)=V(μ),其中,g(㊃)是联系函数,V是方差函数[31]㊂一项研究采用广义线性模型分析了维生素D补充及总摄入水平与婴儿体质量增长过快风险的关联性,该研究指出婴儿期维生素D补充有助于降低体质量增长过快风险,维生素D补充水平介于400~717I U/d时,可能对预防体质量增长过快最为有效[32]㊂G L M模型的结构及使用方法相对简单,可对连续或离散型随机变量进行分析,已广泛应用于各领域,但因要求同一个体每次测量值相互独立,且因变量需满足正态分布或指数族分布,其应用受到一定限制㊂4结论婴幼儿生长速率是生长发育临床评价的重要指标,是生长发育基础研究的前沿领域㊂婴幼儿生长速率的研究类型包括绝对值法和相对值法,两者计算方法简单,相对值法因不受年龄㊁性别等限制,应用相对更广泛;婴幼儿生长速率的分析方法包括Z评分法㊁两点指数法㊁两点平均法㊁J B生长模型㊁分段线性混合模型和偏度系数-中位数-变异系数法,Z评分法㊁两点指数法和分段线性混合模型受常见临床因素影响小,适用于不同婴幼儿生长速率的比较,J B生长模型和偏度系数-中位数-变异系数法可模拟个体生长轨迹,但易受样本量或体质量指数等因素干扰;影响因素的分析方法包括多元线性回归法㊁平移法和G L M广义线性模型,其中多元线性回归法可量化影响因素的作用,但不能排除影响因素间交互作用的干扰,平移模型可直观了解生长速率突增的时间和强度,有利于分析治疗干预措施的影响,但不能较好拟合具有极端值和复杂性样条模型,广义线性模型使用方法相对简单,但要求因变量具有特定分布,应用受到一定限制㊂因此,采取合适方法评价婴幼儿生长速率及其影响因素,可及时采取有效干预措施,促进婴儿生长发育,为儿童保健及其相关工作提供科学㊁准确的参考依据㊂参考文献[1]张萍,孙费敏,夏泽源,等.湖北省城市早产儿与足月儿体格生长状况的比较研究[J].中国妇幼卫生杂志,2022,13(2):11-14.[2]丁俊杰,高丽英,曹英,等.建立母乳喂养1㊁2和3月时生长速率曲线:基于母乳与配方粉喂养的多中心随机对照试验[J].中国循证儿科杂志,2017,12(2):81-86.[3]中华医学会儿科学分会内分泌遗传代谢学组,中华医学会儿科学分会儿童保健学组,中华儿科杂志编辑委员会.儿童体格发育评估与管理临床实践专家共识[J].中华儿科杂志,2021,59(3):169-174. 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国家鼓励外商投资西部的政策已经并将继续发挥积极作用,为外商投资西部提供了有力的政策支持。
为鼓励外商加大向中西部地区投资的力度,进一步促进西部地区经济发展,国家已经制定了一系列优惠政策,主要涉及扩大中西部地区对外开放领域,拓宽投资方式,放宽对外商投资的限制,对在鼓励投资的领域里所设立的外商投资企业给予更优惠的税收待遇,加大对投资项目的金融支持,设立国家级经济技术开发区以营造优良的投资环境等六个方面。
国务院《关于实施西部大开发若干政策措施的通知》发布后,鼓励外商投资西部地区的各项政策措施进一步配套和完善。
随着中国加入世贸组织,中国政府还将在以下九个方面采取积极措施,吸引更多的外商投资西部地区。
1.及时修订《中西部地区利用外资优势产业目录》,有效发挥西部地区的资源优势和经济优势,突出发展特色经济。
2.完善《外商投资企业境内投资的暂行规定》,创造条件鼓励沿海外商投资企业到西部地区再投资,实现产业的梯度转移。
3.进一步扩大西部地区吸收外商投资的领域,鼓励外商投资农业、林业、水利、交通、能源、市政公用、环保等基础领域及基础设施建设,以及矿产、旅游等资源开发。
4.研究鼓励外商投资西电东送、西气东输、南水北调、青藏铁路等国家骨干工程的政策。
5.研究制定外商收购、兼并国有企业,利用BOT、TOT等方式进行投资,以及外商投资企业在境内外上市发行股票等各项政策措施。
6.鼓励外商投资企业引进、开发先进技术,进行技术创新,积极引导外商特别是跨国公司投资高新技术产业和建立研究开发机构,促进外商投资兴办资金技术密集型项目和设立更多的先进技术型项目。
7.将银行、保险、商业零售、外贸、电信、旅行社、建筑及与其相关的服务、中外合作会计师事务所、律师事务所等领域的对外开放试点扩大到符合条件的中西部地区中心城市,并适当放宽在这些领域设立外商投资企业的条件。
8.鼓励中小企业积极参与国际合作,促进外商投资于机电产品、零部件产业和原材料等配套和出口创汇项目。
1. think,思考的常用替如下:〔下同〕,主:argue, maintain, hold, believe考: take ⋯ into consideration, consider, ponder, meditate, contemplate, think over, reflecton/upon.2. decide:断定下,断定: come to the conclusion, arrive at the conclusion, draw the conclusion, conclude, judge, assert, wind up3. get:得到得: acquire, obtain, attain, reap得,取得earn, gain, procure4. support:支持支持,成:approve of, in favor of ,uphold, stand by one's side, agree with, give ones' assent提倡: advocate, recommend抵抗: resist, boycott6. important:重要的意深的,重大的:far-reaching, profound, significant, eventful重要的,有决定性的: key, essential, fundamental, crucial, decisive, vial, substantial.扮演一个重要角色: play an important part in ```7. use:使用充分运用: optimize, make best/full use of使用: employ, utilize用: apply8. glad, happy:高的高的,心情好的: be in a good mood, cheerful, joyful, joyous, pleased, delighted9. hard-working:勤的勤的,勤勉的: diligent, studious, industrious10. serious:真的真的,慎的: conscientious, cautious11. calm:平静的冷静的,清醒的: sober, reasonable, sensible, rational13. tired:累的疲不堪的: exhausted, fatigued, run-down, worn-out, weary15. stop:阻止阻碍,阻止:hinder, curb, hamper, restrain, prevent, ward off, avoid16.好处:good side害处:bad side好处,优点:advantage, merit, benefit害处,缺点:disadvantage, defect, flaw, drawback, deficiency17. join:参加参加: participate in , attend, take part in, go in for, engage in18. pay one's attention to:注意集中精力于,专心于:focus on, center on,concentrate on, set one's mind on, be lost in, be occupied in, be attentive on19.depend on: 依赖,依靠依赖,依靠: rely on, lean on20.ability = capability21.aim = objective22.always = invariably23.ancient = archaic24.angry = enraged25.appear = emerge26.arrest = detention27.attack = assault29.avoid = shun30.bad = decayed33.best = optimal34.big = massive37.brave = bold38.brief = concise40.busy = occupied43.catch = capture45.clean = purified47.cold = chilly49.danger = peril53.dislike = disgust54.enlarge = magnify55.expensive = costly56.fair = impartial57.fame = prestige58.famous = distinguished59.field = domain60.force = compel61.forever = perpetual63.free = liberal64.good = beneficial65.greatly = increasingly66.hot = boiling67.lonely = solitary68.method = approach69.near = adjacent70.nowadays = currently71.obey = comply with72.obvious = apparent75.part = component76.partner = associate77.poor = pathetic80.quite = fairly81.rapid = swift82.result = consequence84.ruin = devastate85.run = chase86.sharp = acute87.short = deficient88.show = demonstrate89.so = consequently90.stop = cease91.strange = weird92.top = peak93.ugly = hideous95.vague = obscure96.wet = humid98.wrong = erroneous99.smelly = unpleasant100.surprise = startlehouse —— building, dwelling, lodgeancient——aged, antique, elderlybusiness——job, affair, tradeprotect——defend, shield, ensure misleading——deceptive, delusive, delusory emotion——sentiment, excitement, sensitivitymeasure —— compare, rank, estimate, appraise reduce——cut back, lower, decrease growth——developmentprofession——careerincrease——add to, raise, enlarge, expand progress——advance, proceed, go ahead technology——skill, techniquehighway——road, freeway, expressway associate——join, connect, combine, unitemethod —— way, manner, plan, form, design, arrangement convenience——comfortableprofit——gain, benefit, advantage, proceeds research——delve, inquire, hunt, look into experiment——test, prove, researchargument——dispute, controversyfault—— mistake, error, defect, flaw, misdeedrubbish —— waste, trash, garbagedecision —— condusion, determinationstress —— force, strain, tension, pressurecrisis—— emergency, critical, piontautomobile —— motorcar, lorry, truck, car, bus, coachrecreation—— play, amusement, pleasure, pastimeforbid —— stop, pronibit, preventbenefit—— caitalize, profitelder —— older, seniormaterial—— substance, stuff, matterindividual—— single, separate, personalreason——cause, logic, explanationunderwater —— deep-seaaverage——[普通的]:usual, ordinary, passableregulate —— [ 管理 ] : manage, direct, handle, control[ 调整 ] : adjust, remedy, rectify, correctalthough 表转折——despite, but, however, in fact, indeedpossess拥有——own, have, hold, control, maintain, occupypromotion 促进,提升,提拔——advancement, forwarding, improvement, rise, betterment, progress negotiation谈判,协商,准备——arrange, settle, mediate, talk overengage 从事,占去 ,卷入——involve, entanglebenefit利益,得益——capitalize, profitsettle定居——occupy, inhabit, live in, locate, conolizeimmigrants 移民——people from other countriesemployment 就业——job, careerto keep a record记录——to keep a diaryaction 行为——what they didlapse——error, fault, slip,research 研究,——delve, search, study, investigate, inquire, explore, look intolayoff解雇——unemployment, downsizing in workersassociate 合——join, connect, unite, combineopponent手——enemy, foe, adversary, competitor, rival, saboteurargument争——dispute, controversyoppose 反—— counteract, fight, struggle, resist, conflict with, refuserealize知,了解——understand, grasp, conceive, comprehend, appreciate以上的同替不管是破折号之前的是之后的都是在真里面出的,其中不乏一些高。
有关growth的英语作文Growth is a fundamental concept that encompasses various aspects of our lives, from personal development to societal progress. It is a multifaceted phenomenon that can be observed in numerous domains, each with its unique challenges and rewards. In this essay, we will explore the significance of growth and its profound impact on our individual and collective experiences.At the core of growth lies the innate human desire to evolve, to expand our horizons, and to reach new levels of understanding and achievement. This drive propels us forward, pushing us to overcome obstacles, acquire new skills, and explore uncharted territories. Growth is not merely a quantitative measure but a qualitative transformation that shapes our perspectives, attitudes, and the very fabric of our existence.One of the most prominent manifestations of growth is personal development. As we navigate through life, we are constantly presented with opportunities to grow and transform ourselves. Whether it's acquiring new knowledge, developing emotional intelligence, or honing our problem-solving abilities, the process of personal growth is a lifelong journey that allows us to unlock ourtrue potential. By embracing challenges and learning from our experiences, we can cultivate resilience, adaptability, and a deeper understanding of ourselves and the world around us.Closely related to personal growth is the concept of professional development. In today's rapidly evolving job market, the ability to adapt and acquire new skills is crucial for career advancement and success. Individuals who actively engage in professional growth are better equipped to navigate the complexities of the modern workforce, stay relevant in their field, and contribute meaningfully to their organizations. This process of continuous learning and skill-building not only enhances one's employability but also fosters a sense of fulfillment and purpose.Societal growth, on the other hand, encompasses the progress and development of communities, nations, and the global community as a whole. As we witness technological advancements, scientific breakthroughs, and the emergence of new social movements, we see the collective growth of humanity manifesting in various forms. The expansion of knowledge, the improvement of living standards, and the promotion of social justice are all facets of societal growth that have the power to transform the world we live in.One of the most significant drivers of societal growth is innovation. The ability to think creatively, challenge existing paradigms, anddevelop novel solutions to complex problems is crucial for driving progress and addressing the pressing issues facing our world. From the development of renewable energy sources to the advancements in medical research, innovation serves as a catalyst for positive change, improving the quality of life for individuals and communities alike.Alongside the benefits of growth, it is important to acknowledge the challenges and potential pitfalls that accompany it. Rapid growth can sometimes lead to imbalances, inequalities, and environmental degradation if not managed responsibly. It is crucial to strike a delicate balance between the pursuit of progress and the preservation of sustainable practices, ensuring that growth is inclusive, equitable, and environmentally conscious.Furthermore, the process of growth can be accompanied by feelings of uncertainty, discomfort, and even resistance. Navigating the unknown, adapting to change, and letting go of familiar patterns can be daunting, both on an individual and societal level. Embracing the discomfort of growth, however, is essential for unlocking new opportunities and achieving meaningful progress.In conclusion, growth is a multifaceted concept that permeates every aspect of our lives. From personal development to societal progress, the pursuit of growth is a fundamental human endeavor that shapesour individual and collective experiences. By embracing the challenges and opportunities that growth presents, we can cultivate resilience, foster innovation, and contribute to the betterment of our world. As we navigate the complexities of growth, it is crucial to maintain a balanced and responsible approach, ensuring that the progress we seek is sustainable, equitable, and aligned with the well-being of all.。
第二章剑桥阅读考点替换词名词:1.the destruction of rainforests (原文) --the loss of the rainforests2.rainforest conservation(原文)—the rainforests to be protected3.the geographical location—where the rainforests were4.courtship ritual—mating5.feeding—eating6.young people—teens7.high standing—high opinion8.take courses—retrain9.domestic building—dwellings10.economic progress—economic growth形容词:1.Rudimentary—underdeveloped2.Well-developed—best developed3.Surprised—taken aback4.be loath to/be conservative about —be reluctant to4.chronic—long-term5.Awareness—conscious6.basic--fundamental动词:1.Resemble—make similar choices/look like2. choose entrepreneurship—set up their own business3. make unbiased statements—comment objectively on4. deal only with—focus on5. be derived from—be gained from6. break records—set new records7. comprehend—explain8. be broken down—be subdivided9. predict—estimate10. the elderly—elderly people副词:With tremendous force—violentlyAB 相关替换1.media coverage—Newspaper and television2.A curve inside the circle—a symbolernment policy—government initiative4.A growing interest in cultural identity—increasing appreciation5.Bilingualism—more than one language6.Facial expression—body language7.Nutriment—diet8.Pots, tools and weapons—objects关系替换:1.People can learn…-- it can teach people…2.A depends on B—B affect A按字母排列Abide by=comply with遵守Accelerate=speed up加速Achieve=obtain得到、获得Adapt to=integrate into使适应、融为一体Aim.n=objective 目的Aim at=focus on=concentrate on=emphasize on 集中、强调An array of=a list of =a set of=a series of 一系列Attempt to do=try to do尝试作,想要作Approximately=roughly=about=some=around 大约Appreciation=interest 欣赏As a result=consequently=as a consequence 因此、从而As well as=and和Associate with=connect with=link with=relate to=involve in与……相关联Attach to=connect to=link to=serve与……相连接、附着在……上At will=at random=by chance=by accident=accidentally随意地Automatically ensure=guarantee保证BBe free of=with out=no 没有Be similar to=closely resembled 相似Be used to=be devoted to专门用于Be equivalent to=be equal to 等同于Be taken aback=be surprised 吃惊Briskly =rapidly=swiftly快速地CCalculate=measure 衡量Catch up with=keep pace with跟上步伐Chronic=long term 慢性病的Complain=illness 病症Concern n. =focus关心的问题Concern v. =about 与……有关Concur with sb=agree with sb 同意某人Concept =conception=notion=idea=understanding概念、理解Confront=encounter=in the face of面临Conservation = protection 保护Conserve=protect保护Consist of=comprise of 由什么组成Contaminate=pollute=poison 污染Contend=assert断言Contribute to=result in=lead to=link to=responsible for导致Cooperate with=work with 与……协作Convert to=turn to 转为、转变为Crop up=crop out=come up 出现DDegenerated=underdeveloped=degraded退化Development=invention 发展Distract from= can not concentrate 使精力分散Deadly=fateful 致命的Diminish=decrease=shrink 减少Distort reality=far from reality=dishonest不真实的Distinction=difference=nuance 不同之处Due to = because of = without a view to 由于EEndanger=threaten 威胁Ensure = make sure 确保Establish=set up建立Evolvement=development=progress发展、发育Embark upon=start开始Enlighten=illuminate=instruc=educate启蒙、给予知识FFail to do=can not do没有能够做Far from=not at all根本不Fault=flaw=defect错误,缺损Form=shape 形成Foundation=basis基础Finance=sponsor 提供赞助(金钱)Free=release释放Frequently=often 经常GGreat milestone=impact=effect=influence对……具有很重要的影响力Guarantee to do sth =promise to do sth 保证做某事HHold=harbor拥有Halt=stop 阻止、使停滞Hurdle=barrier 阻碍IIdentical=the same一模一样In addition to=besides 除了Indicate=show表明In reaction to=respond to 对……起反应In the event of= in case of 万一Interpret=illustrate解释Introduce to=import to引入KKey a.=important=significant=crucial=essential重要的,关键的Key n.=approach=means=method=technique方法LLikelihood=possibility可能性Link-up=connection 联系MMatch sth to=assign sth to把……和……搭配起来Misconception=misunderstanding=mistaken view错误的理解Modify=change修改、改变Manifestation=demonstration 显示、表明Measure=access=rate评估NNature=character本质、特点Non-toxic= less poisonous=safe 无毒的、安全的Novel a.=fresh=new=up to date 新潮的、创新的OOwing to=thanks to =contribute to多亏……,有赖于……Overestimate = overate 过高估计Pplay a vital role in = have an important part or role in起重要的作用,扮演重要的角色Pore over=study 研究Preserve=store 储存Resemble=like 像Prevailing=popular 盛行的Present day=modern society 现代社会、现在时代Prior to = before 先于Prodigious effort=enormous effort重大的努力Produce=trigger=generate=spawn=bring about=result=breed激发、产生Provide=offer 提供Protect A from B =shelter A from B 使A不受B的侵害QQuest=desire 渴望Questionnaire=survey 问卷调查RRange from … to…= be from … to …从……到……Readily=easily=accessible 容易地Relate to=understand=appreciate理解Rely on=depend on 依靠……Residue=remains=relics=relicts剩余物、废墟SSeek for = search for =hunt for寻求,寻找Striking=noticeable值得注意地Substantial=considerable 想当可观的Success=achievement=great outcome=great progress=huge development成功、成就Surprising=unexpectedly uncommon令人吃惊的TTake to=be used to=get used to 对……习惯Tuition=formal teaching正式的学校教育Turn to=consult 寻求帮助、求助于Toxic=poisonous 有毒的UUnbiased=without prejudice 无立场、不带任何偏见的Up to=depend on/upon 由……决定VVirtue=advantage=asset 优点WWork out=figure out=reckon 计算出、作出剑桥雅思真题456中的替换关系Recognize = identifyEthical=Moralplenty of=Considerable=significant amount of Almost certainly=little doubtModification=change=alteration=adjustBetter=Improve(方向词)Live=residence=inhabitantfirst=initial=primaryImportant=worthy trying=significant=essentialPeople=mortal=human=mankindReflect=feature=representLegitimate= have right tolong term=chronicInterest (for borrowing)=slightly more moneyFeasible=practicalSusceptible =allergic predisposed vulnerablemistaken=misconception =confusion=misunderstandinghave yet to determine =yet not knownrelease stress/tension= (psychic tension is) punctured=Diversity=variety accompanying=withAesthetic=beautifulRigid = not yieldingfocus on=emphasize=narrow down。
growth英语作文九年级Growth is a fundamental aspect of life, a process that encompasses physical, emotional, and intellectual development. It is a journey of transformation, where individuals navigate the challenges and opportunities that come with change. In this essay, we will explore the multifaceted nature of growth and its significance in the lives of individuals.At its core, growth is about the acquisition of new knowledge, skills, and experiences. It is a dynamic process that allows us to adapt to the ever-evolving world around us. As we grow, we develop a deeper understanding of ourselves, our strengths, and our limitations. This self-awareness paves the way for personal growth, as we strive to overcome our weaknesses and capitalize on our strengths.One of the most visible forms of growth is physical growth. From infancy to adulthood, our bodies undergo a remarkable transformation, with each stage marked by distinct changes in height, weight, and physical capabilities. This physical growth is not only a testament to our resilience but also a reflection of the intricatebiological processes that govern our development. As we navigate this physical journey, we learn to appreciate the importance of maintaining a healthy lifestyle, which includes proper nutrition, exercise, and rest.Alongside physical growth, emotional growth is equally crucial. As we encounter new experiences and challenges, we learn to navigate the complexities of our emotions. We develop the ability to identify, express, and manage our feelings, which in turn, enhances our relationships with others. Emotional growth also involves the development of empathy, the capacity to understand and share the feelings of others. This empathy fosters stronger connections and enables us to navigate the social landscape with greater sensitivity and understanding.Intellectual growth is another vital aspect of the growth process. Through education, exploration, and lifelong learning, we expand our knowledge and deepen our understanding of the world around us. This intellectual growth is not limited to the classroom; it can occur in various settings, from reading books to engaging in thought-provoking discussions. As we accumulate knowledge and develop critical thinking skills, we become better equipped to solve problems, make informed decisions, and contribute to the advancement of society.Growth is not a linear process; it is a cyclical journey filled with both triumphs and setbacks. Navigating the ups and downs of growth can be challenging, but it is through these experiences that we develop resilience and the ability to adapt to change. Setbacks, in particular, can serve as valuable learning opportunities, prompting us to reflect on our actions, identify areas for improvement, and develop strategies for overcoming obstacles.The process of growth is also deeply influenced by our social and cultural environments. The communities we belong to, the relationships we cultivate, and the values we embrace all play a significant role in shaping our growth trajectory. By engaging with diverse perspectives and embracing the richness of different cultures, we can broaden our horizons and gain a more nuanced understanding of the world.Moreover, growth is not limited to the individual; it can also occur at a societal level. As communities and nations evolve, they undergo their own processes of growth, adapting to changing circumstances and striving for progress. This collective growth is often driven by technological advancements, scientific discoveries, and the collective efforts of individuals working towards a common goal.In conclusion, growth is a multifaceted and complex phenomenon that encompasses physical, emotional, and intellectual development.It is a journey of transformation, one that challenges us to embrace change, develop resilience, and strive for continuous improvement. By recognizing the significance of growth in our lives, we can cultivate a mindset that celebrates the opportunities for learning, self-discovery, and personal fulfillment that come with embracing the growth process. As we navigate the ups and downs of this journey, we can find solace in the knowledge that growth is not just a destination, but a lifelong adventure that shapes us into the individuals we are meant to become.。
Fundamental GrowthFundamentals of Growth •Historical growth rate is backward-looking,i.e., reflects actions of the firm in the past •Prefer to have forward-looking estimate of earnings growth, i.e., reflects actions of the firm going forward•Experience with beta suggests that we estimate growth rates from fundamentalsFundamentals of Growth (cont.)•Fundamentally, amount of earnings growthdepends on:–Amount invested in future growth–Return on investment in future growth •Investment in future earnings growth is known as equity reinvestment•Relevant return is return on equity (ROE)Equity Reinvestment •Easiest to estimate equity reinvestment indirectly as retained earnings:Retained Earnings =Net Income −Dividends •Retained earnings represents portion of net income that is not paid to shareholders as dividends (and potentially share buybacks)Equity Reinvestment (cont.)•Implicitly, assume that retained income is reinvested to generate earnings growth •Ratio of retained earnings to net income is known as retention ratio :RatioRetention 1Ratio Payout IncomeNet EarningsRetained Ratio Retention −=⇒≡Equity Reinvestment (cont.)•Firms cannot charge negative dividends, soretention ratio can never be larger than one •Hence, will understate equity reinvestment for firms with other sources of capital•On the other hand, will overstate equity reinvestment for firms that don’t reinvest all retained earningsEquity Reinvestment (cont.)•Alternatively, estimate equity reinvestmentdirectly from capital expenditures, etc.•Ratio of equity reinvestment to net income is known as (equity) reinvestment rate:Income Net ntReinvestmeEquityRatentReinvestme≡Return on Equity•Return on equity is defined as ratio of net income to (initial) book value of equity:•Here NI is net income and BV is book value 1,1,1,1,ROE BV NI Equity of BV Income Net ROE ++++⋅=⇒≡t t t t t t t t t tReturn on Equity (cont.)•Book value of equity represents capitalstock for generating net income •Return on equity represents return on equity reinvestment•Hence, firms that consistently outperform their peers will generate return on equity that is higher than industry averageFundamental Growth•Equity reinvestment (or retained earnings) adds directly to book value of equity •Suppose that ROE is constant:()ROEER NI ROEER BV ROEBVNI ,1,1,111,⋅+=⋅+=⋅=−−−−+t t t t t t t t t tFundamental Growth (cont.)•Hence, earnings growth is given by•Here b represents the reinvestment rate (or retention ratio)ROEROE NI ER NI NI NI ,1,1,1,1,11,1,⋅=⋅⎟⎟⎠⎞⎜⎜⎝⎛=−≡−−−−−++t t tt t t tt tt t t t t b gExample: Fundamental GrowthRetention Ratio Return on Equity29.96%11.63%29.37%19.43%49.29%82.57%Growth Rate ConsolidatedEdison 3.49%Proctor & Gamble 14.48%Reliance Industries16.04%Example: Fundamental Growth •Con Ed is a regulated utility that supplieselectricity to New York City•Utilities is a very mature industry, so earnings growth is generally slow•Slow growth is reflected in low retention ratio and ROE (since there are very few opportunities for productive investment)Example: Fundamental Growth •P&G is a leading multinational consumergoods firm based in the U.S.•P&G generates strong earnings growth with moderate reinvestment and high ROE •Reliance is India’s largest conglomerate •Reliance generates strong earnings growth with high reinvestment and moderate ROEChanging ROE : Part 1•What if ROE is not constant?•Distinguish between existing investments and new investments:new 1+,,1old 1,11,1,,11,1ROEER ROEBV ROE BV NI ROE BV NI t t t t t t t t t t t t t t t t t ⋅+⋅=⋅=⋅=−+−++−−−Changing ROE : Part 1 (cont.)•Book value of equity at time t−1representspool of existing investments•Equity reinvestment between time t−1and time t represents new investments•Here ROE old represents return on existing investments while ROE new represents return on new investmentsChanging ROE : Part 1 (cont.)•For simplicity, assume that return onexisting investments does not change from overall ROE in previous time period:new 1+,,1,1new 1+,,1,111,,1old 1,ROEER NI ROEER ROE BV NI ROE ROEt t t t t t t t t t t t t t t t t t t ⋅+=⋅+⋅=⇒=−−−−−+−+Changing ROE : Part 1 (cont.)•Earnings growth is given by•Hence, earnings growth is determined by return on new investmentsnew 1+,,1new1+,,1,1,1,11,1,ROEROE NI ER NI NI NI t t t t t t t t t t tt tt t t t t b g ⋅=⋅⎟⎟⎠⎞⎜⎜⎝⎛=−≡−−−−−++Changing ROE : Part 1 (cont.)•Marginal return on equity reflects return on new investments:new 1+,,1new 1+,,11,1,11,1,ROEER ROEER ROE Marginal BV BV NI NI ROE Marginal t t tt t t t t t t t t t t t t t t =⋅=−−≡−−+−−++Changing ROE : Part 2•What if return on existing investments is also not constant?•Earnings growth is given by1NI ROEER +ROEBV 1NI NI ,1new 1,,1old 1,1,11,1,−⋅⋅=−≡−+−+−−++tt t t t t t t t tt t t t t gChanging ROE : Part 2 (cont.)1ROE ROE ROE 1ROE NI BV ROE NI ER 1NI ROE BV ROE ER ,1old 1,new 1,,1old 1,,11new 1,,1,1,1old1,1new1,,11−+⋅=−⋅⎟⎟⎠⎞⎜⎜⎝⎛+⋅⎟⎟⎠⎞⎜⎜⎝⎛=−⋅+⋅=−++−+−−+−−−+−+−+tt t t t t t t t t tt t t t t t t t t t t t t t t t t t b gChanging ROE : Part 2 (cont.)•Increase in return on existing investments produces temporary spurt of “efficiency-generated”growth•Can have big effect in short term, but not sustainable in long term since earnings growth returns to normal once return on existing investments stops increasingExample: Con Ed•Suppose ROE increases to 13% (for both existing and new investments) in year 1:()()()()()()%89.313.02996.0%67.1511163.013.013.02996.0%49.31163.02996.0210===−+===g g g。