新sat考试必备的高频词汇

　　高频词汇对于新sat考试来说，是考生必须要准备的词汇。下面百分网小编将为你推荐新sat考试中必备的一些高频词汇相关内容，希望能够帮到你!

新sat考试的高频词汇

　　新sat考试的高频词汇：M开头

　　Methylpropane 甲基丙烷

　　microbe 微生物，细菌

　　Millikan’s ‘oil-drop’ ecperiment 密立根油滴实验

　　mineral 矿物质

　　miscibility with water 与水的互溶性

　　magnetic field 磁场

　　magnetise 磁化

　　malleable 有延展性的

　　Maltese Cross 马耳他十字

　　marble 大理石

　　marine invertebrate 海里的'无脊椎动物

　　mass number 质量数

　　mass spectrometer 质谱仪

　　matter 物质

　　mechanism 机理

　　megawatt 兆瓦，即106瓦

　　melting point tube containing sample 装有样品的熔点测定管

　　melting point 熔点

　　Mendeleev’s periodic table

　　metabolism 新陈代谢

　　metal calorimeter 金属量热计

　　metal complex 金属络合物(由金属离子与电子给予体结合而成)

　　metal foil 金箔

　　metal hydride 金属氢化物

　　metallic bonding 金属键(通过自由运动的价电子将金属原子连结起来的键)

　　metallic element 金属元素

　　metallic radius 金属半径

　　meteorite 陨星

　　methane 甲烷

　　methanol (=CH3OH) 甲醇

　　新sat考试的高频词汇：H开头

　　haemoglobin 血红蛋白

　　halate 次卤酸根离子

　　halide 卤化物

　　halogen 卤族元素，简称卤素

　　halogenoalkane 卤代烃

　　halogenoalkanes 卤代烃

　　hard margarine 硬植物油

　　hard 硬的

　　heat capacity 热容(当一系统由于加给一微小的热量δQ而温度升高δT时，Δq/δT这个量即是热容)

　　heating-insulated vessel 隔热容器

　　Heisenberg’s uncertainty principle 海森堡测不准原理

　　heptane 庚烷

　　Hess’ law 赫斯定律(一个化学反应的热销应决定于其始终态，与中间过程无关)

　　heterogeneous catalysis 多相催化(催化剂与反应物处于不同相如在固体和流体相界面间发生催化作用)

　　heterolytic fission 异裂(共价键断裂产生两个相反电荷的离子)

　　hexane 己烷

　　high-density poly(ethene) 高密度聚乙烯

　　high-performance liquid chromatography 高效液相色谱法

　　新sat考试的高频词汇：R开头

　　Recessive(隐性)

　　Refers to an allele that cannot control the phenotype unless it is the only kind of allele present, as in a homozygote or hemizygote. Also refers to the trait or phenotype produced when only a recessive allele is present. The opposite of recessive is dominant.

　　reproductive isolation(生殖隔离)

　　The inability of individuals within a species to create offspring with members of any other species. The mark of a species is its reproductive isolation from all other species.

　　respiratory system(呼吸系统)

　　The organ system responsible for the intake of oxygen and diffusion of that gas into the blood and the elimination of carbon dioxide from the body. Important structures of the system are the pharynx, larynx, trachea, bronchi, bronchioles, and lungs. Alveoli in the lungs are the location of gas exchange with the blood. The movement of the muscular diaphragm allows the lungs to inhale and exhale.

　　ribonucleic acid (RNA/核糖核酸)

　　One type of nucleic acid polymer. RNA nucleotides’ sugars contain one more oxygen atom than DNA nucleotides’ sugars. RNA nucleotides can have the nitrogenous bases adenine, cytosine, guanine, and uracil.

　　Ribosome(核糖体)

　　Organelle responsible for protein synthesis. Ribosomes are located in cytoplasm or endoplasmic reticulum.

　　Root(根)

　　The part of a plant beneath the soil; responsible for collecting water and minerals from the soil, storing nutrients, and securing the plant to the ground. Can be fibrous or a taproot.

　　root hair(根须)

　　An outgrowth of a plant root that provides an increased surface area for the absorption of water and dissolved minerals from the soil.

　　Runner(匍行)

　　Slender horizontal stem that can form new plants via specialized nodes.

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