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更多“Sanger测序技术指的是()。”相关的问题
核酸测序通常由下列()技术决定。
A．琼脂糖凝胶电泳
B．毛细管电泳
C．变性聚丙烯酰胺凝胶电泳
D．非变性聚丙烯酰胺凝胶电泳
根据材料请回答 51～65
Margaret Sanger and Birth Control
Margaret Sanger, an American nurse, was the first to start the modern birth control movement in the United States.In 1912, she 51 publishing information about women's reproductive (生殖的) concerns through articles and books.In 1914, Sanger was charged 52 violation of the Comstock Law, which federal legislation had passed in 1873 forbidding the mailing of sexy material 53 information about birth control and contraceptive (避孕的) devices.Though she was put in hail for these activities., Sanger 54 to publish and spread information about birth control.She and her sister Ethel Byme opened the first of several birth control clinics in America on October 16, 1916, in Brooklyn, New York.
The Comstock Law was rewritten by Congress in 1936 to 55 birth control in forma-tion and devices.Many states had maws forbidding distribution or use of contraceptive de-vices but the constitutionality (合宪性) of these laws was increasingly 56 .In 1965, the Supreme Court of the United States rules that married people have the right to practice birth control without government intervention.In 1972, the court 57 that unmarried people have the same right.
Today there are more birth control options 58 , but overpopulation and unwanted pregnancies remain worldwide 59 .Having more children than one can support may lead 60 poverty, illness, and high death rates for babies, children, and women.
The problem of teenage pregnancy is 61 worse in the United States 62 in almost any other developed country.Studies show that birth rates for women under 20 are higher in the United States than in 29 other 63 countries.A detailed study suggested that the problem of teenage pregnancy in the United States may be 64 to less sex education in schools and lower availability of contraceptive services and supplies to young people.This study 65 the view of people in the United States who argue that sex education or making contraceptive supplies available to school-age children promotes sexual activity.
第 51 题
A．offered
B．refused
C．took
D．began
根据以下材料，完成题。
Ma rgaret Sanger and Birth Control Margaret Sanger，an American nurse，was the first to start the modem birth control movement in the United States.In l912 she. （51）publishing information about women’s reproductive（生殖的）concerns through articles and books.In l914 Sanger was charged. （52）violation of the Comstock Law，which federal legislation had passed in l 873 forbidding the mailing of sexy material. （53）information about birth control and contraceprive（避孕的）devices.Though she was put in jail for these activities，Sanger. （54）to publish and spread information about birth contr01.She and her sister Ethel Byrne opened the first of several birth control clinics in America on October l6，1916，in Brooklyn，New York.
The Comstock Law was rewritten by Congress in l936 to. （55）birth control information and devices.Many states had laws forbidding distribution or use of contraceptive devices but the constitutionality（合宪性）of these laws was increasingly. （56）.In l965，the Supreme Court of the United States ruled that married people have the right to practice birth control without government intervention.In l 972，the court. （57），that unmarried people have the same right.
Today there are more birth control options. （58），but overpopulation and unwanted pregnancies relnain worldwide. （59）.Having more children than one can support may lead . （60）poverty，illness，and high death rates for babies，children，and women.
The problem of teenage pregnancy is. （6 1）worse in the United States . （62）in almost any other developed country.Studies show that birth rates for women under 20 are higher in the United States than in 29 0ther. （63）countries.A detailed study suggested that the problem of teenage pregnancy in the United States may be. （64）to1ess sex education in schools and lower availability（可获性）of contraceptive services and supplies to young people.This study. （65）the view of people in the United States who argue that sex education or making contraceptive supplies available to school——age children promotes sexual activity.
请在第__（51）__处填上正确答案。 查看材料
A.offered
B.refused
C.began
D.took
根据下列文章,请回答 51～65 题。
Margaret Sanger and Birth Control
Margaret Sanger，an American nurse，was the first to start the modern birth control movement in the United States．In 1912 she__________(1)publishing information about women’s reproductive(生殖的)concerns through a rticles and books．In l914 Sanger was charged__________（2)violation of。the Comstock Law，which federal legislation had passed in l873 forbidding the mailing of sexy material__________ (3)information about birth control and contraceptive(避孕的)devices．Though she was put in jail for these activities，Sanger__________ (4)to publish and spread information about birth control．She and her sister Ethel Byrne openedthe first of several birth control clinics in America 0n 0ctober 16，1916，in Brooklyn，New York．
The Comstock Law was rewritten by Congress in 1936 to__________ (5)birth control information and devices．Many states had laws forbidding distribution or use of contraceptive devices but the constitutionality(合宪性)of these laws was increasingly__________（6)．1n 1965，the Supreme Court of the UnitedStates ruledthat marriedpeople have the right to practice birth control without government intervention．In 1972，the court__________ (7)that unmarriedpeople have the same right．
Today there are more birth control options__________(8)，but overpopulation and unwantedpregnancies remain worldwide__________ (9)．Having more children than one can support may lead__________ (10)poverty, illness，and high death rates for babies，children，and women．
The problem of teenage pregnancy is__________ (11) worse in the UnitedStates__________ (12)in almost any other developedcountry．Studies show that birth rates for women under 20 are higher in the UnitedStates than in 29 0ther__________ (13)countries．
A detailedstudy suggestedthat the problem of teenage pregnancy in the UntiedStates may be __________ (14)to less sex education in schools and Lower availability(可获性)of contraceptive services and supplies to young people．This study__________ (15)the view of people in the UnitedStates who argue that sex education or making contraceptive supplies available to school-age children promotes sexual activity．
第 51 题
A．offered
B．refused
C．begand took
D．took
A．通过采用细胞核移植技术，可以使体细胞核具有胚胎干细胞的能力，分化成不同细胞
B．系统生物学研究受到重视
C．2004年，科学家找到了控制造血干细胞在体内自我复制的细胞内环境
D．正如新的蛋白质结构测定仪器设备和实验技术的发展大大加快了蛋白质组计划的进程一样，DNA测序技术的发展和计算机技术的结合将大大加快人类基因组计划的完成速度
下列各项中，不符合原文意思的—项是()。
A．通过采用细胞核移植技术，可以使体细胞核具有胚胎干细胞的能力，分化成不同细胞
B．系统生物学研究受到重视
C．2004年，科学家找到了控制造血干细胞在体内自我复制的细胞内环境
D．正如新的蛋白质结构测定仪器设备和实验技术的发展大大加快了蛋白质组计划的进程一样，DNA测序技术的发展和计算机技术的结合将大大加快人类基因组计划的完成速度
阅读短文。完成 17～21 题。
由我国科学家精确绘制的水稻第四号染色体精确测序图发表在代表国际权威的英国《自然》杂志上。科技部、中国科学院在上海宣布，我国科学家独立完成了“国际水稻基因组计划”第四号染色体精确测序任务，对这一国际计划的贡献率达10%，这是我国迄今为止完成的最大基因组单条染色体的精确测序。刊于《自然》杂志的论文《水稻基因组第四号染色体序列及分析》宣布，中国科学家采用克隆步移法完成了对水稻粳稻基因组第四号染色体全长序列的精确测定；拼接后总长为3500万碱基对，精确度为99.99%，覆盖了染色体全长序列98%的区域，达到国际公认的基因组测序图的标准。科学家们在完成序列精确测定的同时，还做了大量的研究工作：对水稻第四号染色体所含基因进行预测分析，鉴定出4658个基因，为进一步鉴定这些基因的功能奠定了基础；完整地测定了水稻四号染色体的着丝粒序列，这是迄今首次完成的高等生物染色体着丝粒序列，为研究着丝粒的功能、染色体的稳定性和染色体的复制提供了基础，也为开发可转化的“人工水稻或植物染色体”提供了基础。以蓝天、白云、金色水稻为封面的本期《自然》杂志，同时也刊登了日本科学家对水稻第一号染色体的精确测序。测序专家工作组组长、中科院国家基因研究中心的韩斌博士告诉记者，第四号染色体的测序工作于2001年4月启动，首先完成精细物理图，然后采用克隆步移法大规模测序，绘制基因组完成图。此外，研究人员还对另一个亚种籼稻品种广陆矮第四号染色体的序列也进行了测定，报道了水稻两个主要栽培稻间在基因组成、顺序及DNA序列水平上的一些异同，揭示两者之间一些亲缘和进化关系，这些数据为将来整个基因水平的比较提供了良好的示范。
韩斌博士还表示，目前世界上有一半以上的人口以水稻为主食。水稻基因组第四号染色体的序列分析结果和今后的功能基因组研究，可获得大量的水稻遗传信息和功能基因，为培育优良性状的水稻新品种打下良好的基础。同时此次测序成果，还将有助于了解小麦、玉米等其他重要粮食作物的遗传秘密，从而推动整个农作物基因组的研究。
第 17 题 对画线的句子理解正确的一项是（）。
Margaret Sanger and Birth Control
Margaret Sanger, an American nurse, was the first to start the modern birth control movement in the United States. In 1912 she(51)publishing information about women's reproductive (生殖的) concerns through articles and books. In 1914 Sanger Was charged(52)violation of the Comstock Law, which federal legislation had passed in 1873 forbidding the mailing of sexy material(53)information about birth control and contraceptive (避孕的) devices. Though she was put in jail for these activities, Sanger(54)to publish and spread information about birth control. She and her sister Ethel Byrne opened the first of several birth control clinics in America on October 16, 1916, in Brooklyn, New York.
The Comstock Law was rewritten by Congress in 1936 to(55)birth control information and devices. Many states had laws forbidding distribution or use of contraceptive devices but the constitutionality (合宪性) of these laws was increasingly(56). In 1965, the Supreme Court of the United States ruled that married people have the right to practice birth control without government intervention. In 1972, the court(57)that unmarried people have the same right.
Today there are more: birth control options(58), but overpopulation and unwanted pregnancies remain worldwide(59). Having more children than one can support may lead(69)poverty, illness, and high death rates for babies, children, and women.
The problem of teenage pregnancy is(61)worse in the United States(62)in almost any other developed country. Studies show that birth rates for women under 20 are higher in the United States than in 29 other(63)countries. A detailed study suggested that the problem of teenage pregnancy in the United States may be(64)to less sex education in schools and lower availability (可获性) of contraceptive services and supplies to young people. This study(65)the view of people in the United States who argue that sex education or making contraceptive supplies available to school-age children promotes sexual activity.
A．offered
B．refused
C．began
D．took
