多选题Sometime during the 1950's, rock music permanently ousted jazz from the music scene. This is evident from the behavior of youths of that time. In crowded nightclubs they would applaud rock acts enthusiastically. But when a jazz act began, they went outside and got refreshments. They came back in only when the jazz set was finished. Which of the following statements, if true, is a valid objection to the conclusion drawn above? A. Jazz is the most important musical contribution of the United States to world culture. B. Although some young people who attended nightclubs in the 1950's did try to listen to jazz, they eventually became bored with it. C. Since the 1960's, rock music has not only provided youths with recreation but has, as well, become a rallying point for making social statements. D. Although by 1960 jazz performances were less popular, there has since been a revival of interest in jazz among middle-class professionals. E. Jazz steadily increased in popularity between the 1930's and the 1950's.

多选题Lewis Latimer"s inexpensive method of producing carbon filaments ______ the nascent electric industry by making electric lamps commercially ______.

多选题Paradoxically, during the French Revolution，the very leaders who proclaimed ______ philosophies sometimes also engaged in ______ practices.

多选题Historians, particularly those investigating the history of women, now seriously question this assumption of transforming power. They conclude that such dramatic technological innovations {{U}}as the spinning jenny, the sewing machine, the typewriter, and the vacuum cleaner have not{{/U}} resulted in equally dramatic social changes in women's economic position or in the prevailing evaluation of women's work. The employment of young women in textile mills during the Industrial Revolution was largely an extension of an older pattern of employment of young, single women as domestics. It was not the change in office technology, but rather the separation of secretarial work, previously seen as an apprenticeship for beginning managers, from administrative work that in the 1880's created a new class of "dead-end" jobs, thenceforth considered "women's work". The increase in the numbers of married women employed outside the home in the twentieth century had less to do with the mechanization of housework and an increase in leisure time for these women than it did with their own economic necessity and with high marriage rates that shrank the available pool of single women workers, previously, in many cases, the only women employers would hire. The author mentions all of the following inventions as examples of dramatic technological innovations EXCEPT the ______. A. sewing machine. B. vacuum cleaner. C. typewriter. D. telephone. E. spinning jenny.

多选题Victor gained a reputation for being a ______ because he constantly bullied other children.

多选题Magician Harry Houdini performed spectacular feats of escape so astounding that he became ______; even now, his name has a ______ aura for generations who never saw him perform.

多选题Psychology has slowly evolved into an ______ scientific discipline that now functions autonomously with the same privileges and responsibilities as other sciences. A. independent B. unusual C. outmoded D. uncontrolled E. inactive

多选题The speaker announced that her primary focus would be on broad global concerns rather than on ______ issues.

多选题Naturally, ______ facilitates friendships: the people we live near or interact with frequently are more likely to become our friends.

多选题No ______ the case exists: in reaching a decision, the court is bound to break new legal ground.

多选题Designed as a gathering place, the new student Lounge was appropriately ______ with tables, chairs, and even sofas where groups could assemble comfortably.

多选题Only after the campaign volunteers became aware of their candidate"s questionable motives could they recognize the ______ statements made in his seemingly ______ speeches.

多选题Conservationists argue that unconstrained ______ of natural resources, which might deplete them forever, should be replaced with a policy of ______.

多选题Ironically, an affluent society that purchases much more food than it actually needs suffers because of that ______, since in conditions of affluence diseases related to overeating and poor nutrition seem to ______.

多选题Some environmentalists fear that the practices contributing to global warming are so ______ in industrialized nations that there are no simple ways to ______ their effects.

多选题Ellen Swallow Richards, a ______ environmental preservation in the United States, campaigned du ring the nineteenth century to ______ responsible practices in the discipline that has come to be known as ecology.

多选题Louise Erdrich and Michael Dorris co-wrote The Crown of Columbus, a ______ effort successfully mingling their individual styles as writers.

多选题A common misconception is that university hospitals are better than community or private hospitals. In fact, university hospitals have a lower survival rate for patients than do other hospitals. From this it seems clear that the quality of care at university hospitals is lower than that at other hospitals. Which of the following, if true, most forcefully undermines the arguments of the passage above? A. Many doctors divide their working hours between a university and a community or private hospital. B. Doctors at university hospitals often earn less than doctors at private hospitals. C. University and community hospitals often cannot afford the elaborate facilities of private hospitals. D. The emphasis at many university hospitals is on pure research rather than on the treatment and care of patients. E. The patients who seek help at university hospitals are usually more seriously ill than those at private or community hospitals.

多选题Knowing the reward of ______, NASA astronaut Ellen Ochoa encourages students to study hard if they wish to pursue career in science and engineering.

多选题Some psychologists argue that a ______ of choices can be paralyzing, since too many options can impede meaningful selection.