sat閱讀理解的高頻詞匯有哪些
在sat考試閱讀理解部分的備考，是考生一定要準備好一些高頻詞匯的。百分網小編為大家精心準備了sat考試閱讀理解部分的一些高頻詞匯，歡迎大家前來閱讀。
sat考試閱讀理解的高頻詞匯：G開頭
galaxy 星系，銀河
gas scrubber 氣體洗滌器
gas syringe 氣體注射器
gas 氣體
gaseous state 氣態
gaseous state 氣態
gas-liquid chromatography 氣液色譜法
gasoline 汽油
gemstone 寶石
general formula
generate electricity 發電
gentle heating 微熱
geodesic domes 地圓學說
geometric (or cis-trans) isomer 幾何異構體(順式-反式)
geothermal: hot rocks 地熱：熱巖
germicide 殺菌劑
glass delivery tube 玻璃導管
glucose 葡萄糖
good conductivity of heat and electricity 良好的導電導熱性
granule 顆粒
graph extrapolated backwards to starting time 反推到開始時間的曲線圖
graphite 石墨
gravity 重力
greenhouse effect 溫室效應
grooved cork 具孔塞
ground glass cone-and-socket joint 磨口玻璃錐管接合處
sat考試閱讀理解的高頻詞匯：H開頭
hydrolysis 水解
hydroxide 氫氧化物
hydroxy-(= -OH) 羥基
hyphen 連字符
hypothesis 假設
high-performance liquid chromatography 高效液相色譜法
homogeneous catalysis 均相催化(催化劑與反應物在同相中反應)
homologous series 同系物
homolytic fission 均裂(共價鍵斷裂產生兩個自由基)
horizontal axis 橫坐標
horny 角狀的，粗硬的
hydrated halide ion 水合鹵素離子
hydrated ion 水合離子(與水結合而成，如H3O+)
hydrocarbon 碳氫化合物，烴
hydrocarbons: alkenes 碳氫化合物：烯烴
hydrocarbons: alknes 碳氫化合物：烴
hydrocarbons: fuels 碳氫化合物：燃料
hydrochloric acid 鹽酸
hydroelectricity 水電，水力發電
hydrofluoric acid 氫氟酸
hydrogen bond 氫鍵(氫鍵是由于與電負性極強的元素如氟、氧等相結合的'氫原子和另一分子中電負性極強的原子間所產生的引力而形成)
hydrogen peroxide 過氧化氫
hydrogencarbonate 碳酸氫鹽
sat考試閱讀理解的高頻詞匯：A開頭
abiotic (無生命的)
Nonliving materials in the environment—such as elements, sunlight, and soil—that influence and are influenced by living (biotic) entities on the planet.
acetylcholine(乙酰膽素): 運動神經釋于一種化學物質,與其接受體結合后，能產生足夠的電位變化來引起肌肉運動
A neurotransmitter released from the axons of nerve cells to excite an action potential or trigger a muscle to contract.
active immunity(主動免疫)
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 (肌動蛋白)
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(主動運輸)
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(適應輻射) ：同起源生物類群演化成多種不同類型的后代，以適應不同環境的現象
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(腎上腺)
Two glands, the adrenal cortex(腎上腺皮質，分泌可的松【cortisone】，醛固酮【aldosteron，用于調節滲透，控制鈉，鉀離子的重新吸收】等激素) and adrenal medulla(腎上腺髓質，分泌腎上腺素【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(三羧酸循環), and the electron transport chain(電子傳遞鏈).
allantois(尿囊): 胚胎時期積存排泄廢物、氣體交換的場所
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):位于一對同源染色體的相同位置上控制某一性狀的不同形態的基因
A specific form or possible version of a gene having multiple versions. Alleles may be dominant or recessive.
allelic frequency(等位基因頻率)
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)：一種生物(種)，生殖方式不同的世代，周期的、或不規則的交替(苔蘚植物和蕨類植物具有此特征)
The fluctuation between the diploid (sporophyte) and haploid (gametophyte) life stages that occur in plants.
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