sat阅读理解的高频词汇有哪些

　　在sat考试阅读理解部分的备考，是考生一定要准备好一些高频词汇的。百分网小编为大家精心准备了sat考试阅读理解部分的一些高频词汇，欢迎大家前来阅读。

sat阅读理解的高频词汇

　　sat考试阅读理解的高频词汇：G开头

　　galaxy 星系，银河

　　gas scrubber 气体洗涤器

　　gas syringe 气体注射器

　　gas 气体

　　gaseous state 气态

　　gas-liquid chromatography 气液色谱法

　　gasoline 汽油

　　gemstone 宝石

　　general formula

　　generate electricity 发电

　　gentle heating 微热

　　geodesic domes 地圆学说

　　geometric (or cis-trans) isomer 几何异构体(顺式-反式)

　　geothermal: hot rocks 地热：热岩

　　germicide 杀菌剂

　　glass delivery tube 玻璃导管

　　glucose 葡萄糖

　　good conductivity of heat and electricity 良好的导电导热性

　　granule 颗粒

　　graph extrapolated backwards to starting time 反推到开始时间的曲线图

　　graphite 石墨

　　gravity 重力

　　greenhouse effect 温室效应

　　grooved cork 具孔塞

　　ground glass cone-and-socket joint 磨口玻璃锥管接合处

　　sat考试阅读理解的高频词汇：H开头

　　hydrolysis 水解

　　hydroxide 氢氧化物

　　hydroxy-(= -OH) 羟基

　　hyphen 连字符

　　hypothesis 假设

　　high-performance liquid chromatography 高效液相色谱法

　　homogeneous catalysis 均相催化(催化剂与反应物在同相中反应)

　　homologous series 同系物

　　homolytic fission 均裂(共价键断裂产生两个自由基)

　　horizontal axis 横坐标

　　horny 角状的，粗硬的

　　hydrated halide ion 水合卤素离子

　　hydrated ion 水合离子(与水结合而成，如H3O+)

　　hydrocarbon 碳氢化合物，烃

　　hydrocarbons: alkenes 碳氢化合物：烯烃

　　hydrocarbons: alknes 碳氢化合物：烃

　　hydrocarbons: fuels 碳氢化合物：燃料

　　hydrochloric acid 盐酸

　　hydroelectricity 水电，水力发电

　　hydrofluoric acid 氢氟酸

　　hydrogen bond 氢键(氢键是由于与电负性极强的元素如氟、氧等相结合的'氢原子和另一分子中电负性极强的原子间所产生的引力而形成)

　　hydrogen peroxide 过氧化氢

　　hydrogencarbonate 碳酸氢盐

　　sat考试阅读理解的高频词汇：A开头

　　abiotic (无生命的)

　　Nonliving materials in the environment—such as elements, sunlight, and soil—that influence and are influenced by living (biotic) entities on the planet.

　　acetylcholine(乙酰胆素): 运动神经释于一种化学物质,与其接受体结合后，能产生足够的电位变化来引起肌肉运动

　　A neurotransmitter released from the axons of nerve cells to excite an action potential or trigger a muscle to contract.

　　active immunity(主动免疫)

　　Protective immunity to a disease in which the individual produces antibodies as a result of previous exposures to the antigen.

　　acids(酸)

　　Hydrogen ion (H+) donors. Acids are very important in the chemical reactions of life because they are highly reactive. Acids have pH values below 7. They are the opposite of bases.

　　actin (肌动蛋白)

　　Protein filaments that, along with myosin, allow muscles to contract.

　　active site(酶活性部分)

　　The part of an enzyme that interacts with, or binds to, a substrate.

　　active transport(主动运输)

　　The movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration. Because active transport involves moving the molecule against the natural flow of the concentration gradient, the process requires energy.

　　adaptive radiation(适应辐射) ：同起源生物类群演化成多种不同类型的后代，以适应不同环境的现象

　　The evolutionary process by which ancestral forms of an organism are diversified through adaptation to new environments.

　　adenosine triphosphate (ATP/腺苷三磷酸)

　　The energy storage molecule for the cell. ATP consists of an adenosine molecule bonded to three phosphate groups. Each phosphate bond contains energy; by breaking these bonds, the cell can get the energy it needs for chemical reactions. Cells build ATP during cell respiration, using the raw material of glucose.

　　adrenal glands(肾上腺)

　　Two glands, the adrenal cortex(肾上腺皮质，分泌可的松【cortisone】，醛固酮【aldosteron，用于调节渗透，控制钠，钾离子的重新吸收】等激素) and adrenal medulla(肾上腺髓质，分泌肾上腺素【adrenaline】), located on the kidney.

　　aerobic respiration(有氧呼吸)

　　A form of cell respiration requiring oxygen (as opposed to anaerobic respiration, which does not need oxygen). Aerobic respiration is much more efficient than anaerobic respiration; it produces 36 ATP for every molecule of glucose. Aerobic respiration proceeds in three stages: glycolysis(糖酵解), the Krebs cycle(三羧酸循环), and the electron transport chain(电子传递链).

　　allantois(尿囊): 胚胎时期积存排泄废物、气体交换的场所

　　The extraembryonic membrane of birds, reptiles, and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products.

　　allele(等位基因):位于一对同源染色体的相同位置上控制某一性状的不同形态的基因

　　A specific form or possible version of a gene having multiple versions. Alleles may be dominant or recessive.

　　allelic frequency(等位基因频率)

　　The frequency with which a particular allele for a certain characteristic appears among all possible alleles for that characteristic in a population.

　　alternation of generations(世代交替)：一种生物(种)，生殖方式不同的世代，周期的、或不规则的交替(苔藓植物和蕨类植物具有此特征)

　　The fluctuation between the diploid (sporophyte) and haploid (gametophyte) life stages that occur in plants.

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