[填空题]A person’s migration decision is influenced by______.

[填空题]A person’s migration decision is influenced by______.

[填空题]Economic theory can direct the economic decision such as decisions about rent control, ______and minimum wage.

[单项选择]
The Asian migration hypothesis is today supported by most of the scientific evidence. The first "hard" data linking American Indians with Asians appeared in the 1980s with the finding that Indians and northeast Asians share a common and distinctive pattern in the arrangement of the teeth. But perhaps the most compelling support for the hypothesis comes from genetic research. Studies comparing the DNA variation of populations- around the world consistently demonstrate the close genetic relationship of the two populations, and recently geneticists studying a virus sequestered in the kidneys of all humans found that the strain of virus carried by Navajos and Japanese is nearly identical, while that carried by Europeans and Africans is quite different.
The migration could have begun over a land bridge connecting the continents. During the last Ice Age 70,000 to 10,000 years ago, huge glaciers locked u
A. new
B. simple
C. different
D. particular

[单项选择]Simone de Beauvoir’s work greatly influenced Betty Friedan’s--indeed, made it possible. Why, then, was it Friedan who became the prophet of women’s emancipation in the United States Political conditions, as well as a certain anti-intellectual bias, prepared Americans and the American media to better receive Friedan’s deradicalized and highly pragmatic The Feminine Mystique, published in 1963, than Beauvoir’s theoretical reading of women’s situation in The Second Sex. In I953 when The Second Sex first appeared in translation in the United States, the country had entered the silent, fearful fortress of the anticommunist McCarthy years (1950--1954), and Beauvoir was suspected of Marxist sympathies. Even The Nation, a generally liberal magazine, warned its readers against "certain political leanings" of the author. Open acknowledgement of the existence of women’s oppression was too radical for the United States in the fifties, and Beauvoir’s conclusion, that change in women’s economic cond
A. By 1963 political conditions in the United States had changed.
B. Friedan’s book was less intellectual and abstract than Beauvoir’s
C. Readers did not recognize the powerful influence of Beauvoir’s book on Friedan’s ideas.
D. Friedan’s approach to the issue of women’s emancipation was less radical than Beauvior’s.