This program will take kids who have a manifest history of violent acts（）
There have been several claims to have cloned humans over the past few years. Most have been bogus. But the announcement made this week by Woo Suk Hwang, of Seoul National University in South Korea, and his colleagues, is serious. It is the first to achieve the accolade of publication in a peer-reviewed scientific journal. Dr. Hwang s work appears in Science.
The terminology of human development has become slippery over the past few years, in the hands of both "life-begins-at-conception" propagandists who want to stop this sort of research, and publicity-seeking scientists who have claimed more than they have really achieved. What Dr. Hwang and his team have created is not what developmental biologists would normally refer to as an embryo. But it is a genuine scientific advance. South Korea’s researchers have taken egg cells from volunteer women, removed the nuclei from those cells (which contain only half of the genetic complement required to make a human
A. Different.
B. Fake.
C. Bold.
D. Genuine.
| Several recent studies have gained wide
attention for reconfirming the tragic disconnection of millions of black youths
from the American mainstream. Harry Holzer, an economist at Georgetown
University and a co-author of one of the recent studies, feels joblessness is
due to largely weak schooling, a lack of reading and math skills at a time when
such skills are increasingly required even for blue-collar jobs. Unable to find
jobs, he claims, black males turn to illegal activities, especially the drug
trade and chronic drug use, and often end up in prison. As usual, it fails to answer the important questions. Why are young black men doing so poorly in school that they lack basic literacy and math skills Scholars must have known that countless studies by educational experts have found that poor schools, per se(本质上), do not explain why after 10 years o A. They have created a culture of their own. B. They are prevented by their self-respect. C. They are totally involved in the culture they have created. D. They are indifferent to the socioeconomic mainstream. 我来回答: 提交
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