[单项选择]Last week, The Washington Post ran a front-page story that said most stay-at-home morns aren’t S. U. V. — driving, daily yoga-doing, latte-drinking.upper-middle-class women who choose to leave their high-powered careers to answer the call to motherhood. Instead, they are disproportionately low-income, non-college educated, young and Hispanic or foreign-born: in other words, they are women whose horizons are greatly limited and for whom the cost of child care. very often, makes work not a workable choice at all.
These findings, drawn from a new report by the Census Bureau, really ought to lead us to reframe our public conversations about who mothers are and why they do what they do. It should lead us away from all the moralistic bombast about mothers’ "choices" and "priorities". It should get us thinking less about choice, in fact, and make us focus more on contingencies-the objective conditions that drive women’s lives. And they should propel us to think about the choices that we

[单项选择]Last week, The Washington Post ran a front-page story that said most stay-at-home morns aren’t S. U. V. — driving, daily yoga-doing, latte-drinking.upper-middle-class women who choose to leave their high-powered careers to answer the call to motherhood. Instead, they are disproportionately low-income, non-college educated, young and Hispanic or foreign-born: in other words, they are women whose horizons are greatly limited and for whom the cost of child care. very often, makes work not a workable choice at all.
These findings, drawn from a new report by the Census Bureau, really ought to lead us to reframe our public conversations about who mothers are and why they do what they do. It should lead us away from all the moralistic bombast about mothers’ "choices" and "priorities". It should get us thinking less about choice, in fact, and make us focus more on contingencies-the objective conditions that drive women’s lives. And they should propel us to think about the choices that we

[填空题]Last week, speakers at a program in Washington discussed using nanotechnology (纳米技术) to improve health care in developing countries. Peter Singer at the University of Toronto says a nanotechnology called quantum dots could be used to{{U}} (36) {{/U}}cases of malaria. He says it could offer a better way than the traditional process of looking at a person’s blood under a{{U}} (37) {{/U}}. In poor countries, this process is often not{{U}} (38) {{/U}}. As a result, sick people may get treated for malaria even if they do not have it. Such misuse of medicines can lead to drug{{U}} (39) {{/U}}. Quantum dots are particles that give off light when{{U}} (40) {{/U}}. Researchers are studying ways to program them to{{U}} (41) {{/U}}diseases by lighting up in the presence of a targeted molecule. Experts say nanotechnology shows promise not just for{{U}} (42) {{/U}}diseases, but also for treating them. Piotr Grodzinski of the National Institutes of Health talked about how nanot