sat考试必背的高频词汇有哪些.docx

sat考试必背的高频词汇有哪些sat考试必背的高频词汇有哪些在sat考试的备考过程中，考生很有必要准备一些必背的高频词汇。下面百分网小编将为你推荐sat考试中必背的`一些高频词汇的内容，希望能够帮到你!sat必背的高频词汇：数学基本运算add，plus加subtract减difference差multiply，times乘product积divide除divisible可被整除的dividedevenly被整除dividend被除数divisor因子，除数quotient商remainder余数factorial阶乘power乘方radicalsign，rootsign根号roundto四舍五入tothenearest四舍五入sat必背的高频词汇：分数和小数properfraction真分数improperfraction假分数mixednumber带分数vulgarfraction，commonfraction普通分数simplefraction简分数complexfraction繁分数numerator分子denominator分母(least)commondenominator(最小)公分母quarter四分之一decimalfraction纯小数infinitedecimal无穷小数recurringdecimal循环小数tenthsunit十分位sat必背的高频词汇：生物Saprophytes(腐生植物)Seedecomposers.Segregation(隔离)Mendel’sconclusionthatindividualshavetwocopiesofeachgene,andthatthesecopiesseparaterandomlyduringgameteformation,onecopypergamete.Thislawistrueexceptforgenesonsexchromosomesinmales,whohaveonlyonecopyofeachsuchgene.ItisoftencalledMendel’sfirstlaw.semicircularcanal(半规管)Fluid-filledstructurewithintheearthatcandetectbalance.Sepal(萼片)Green,leaflikestructurethatenclosesandprotectstheunopenedflowerbud.sexcells(配子细胞)Seegamete.sexchromosome(性染色体)Referstoachromosomeinvolvedindefiningthesexofanindividual.Humanshavetwosexchromosomesand44autosomes.Infemales,bothsexchromosomesareXchromosomes.MaleshaveoneXchromosomeandoneYchromosome.sex-linked(与性染色体有关的)Referstoagenelocatedonasexchromosomeortoatraitdefinedbysuchagene.Suchtraitswillappearwithdifferentfrequenciesinmalesandfemales,andmalesandfemaleswilldifferintheirabilitytotransmitthetraittotheiroffspring.Inorderforarecessivesex-linkedtraitsuchashemophiliaorcolorblindnesstomanifestinthephenotypeofawoman,itmustbeinheritedfrombothmotherandfather;suchdiseaseswillbepresentinthephenotypeofamanifheinheritsitjustfromhismother.somaticcell(体细胞)Anyplantoranimalcellthatisnotagermcell,meaningitisnotpasseddowntooffspring.Theclassofcellformedduringmitosis.somaticnervoussystem(体神经系统)Onehalfofthemotorsystemoftheperipheralnervoussystem.Responsibleforvoluntary,orconscious,movement.Neuronsinthissystemtarge