单选题
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 【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 mar?ried 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.
【答案解析】注意空白处前面有个让步状语从句，因此主句所叙述的内容一定与它的逻辑推理相反，从这个意义上讲，只有选项A)和C)可供选择，但选项C)如果用于“一直不断”这个词义时，后面应该接doing sth．，即keep doing sth．，不能keep to do sth．；而选项A)，既可continue doing sth．，又可continue to do sth．，故应选A)。虽然选项B)也可以start doing sth．和start to do sth．，但与上下文意思不符，因为她在此之前曾经为此被指控过了。