| An ethics crisis at one of the world’s
most successful human embryonic stem cell laboratories has plunged the
controversial field of research into a new swirl of uncertainty. The accusations
surrounding Korean cloning expert Woo Suk Hwang of Seoul National
University--the first scientist to grow stem cells inside cloned human
embryos--has already killed a spate of planned studies that sought to prove the
cells’ medical potential. The claims that Hwang may have obtained human eggs for
his studies from women who felt pressured to donate are also reigniting a
long-smoldering debate in the United States over the ethics of paying young
women for their eggs, which are difficult to obtain but essential to the
production of stem cells tailored to individuals. Egg donation, which is generally safe but occasionally leads to serious and A. Hwang paid the women for their eggs in his studies. B. The charge of Hwang re-activized the debate in U. S.. C. The debate in U. S. is about whether or not pay for eggs. D. The planned studies will continue without interruption. [单项选择]The Obesity is a national health crisis, one that—quite literally—weighs on us all. It costs lives. It costs dollars. And in the context of our current health-reform debate in Washington, it’s time we took action, as a nation and as individuals, to address this cost.
While infectious disease was a disaster recently as our grandparents’ generation, chronic disease is killing us and harming our well-being—and obesity is the root cause. The growth in obesity is strongly linked to heart disease, hypertension, and the explosion of diabetes that our country is currently experiencing. These and other chronic diseases account for 7 out of every 10 deaths each year and are the leading cause of death and disability in the U. S. They are also responsible for more than 75 percent of the nation’s health-care spending. Year after year, more Americans have become obese or overweight, now representing one third of the population. One in five 4-year-olds are obese, contributing to the fac A. people of normal weight enjoyed longer lifespan than obese people B. the overweight people at 65 lost more on health-care over the rest of their lives C. the overweight people would cost 6% to 13% more than normal people D. the overweight people paid more health-care insurance than normal people 我来回答: 提交
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