单词:
单词: 相关文章
全麦产品可以有效预防冠状心脏病,不过最少要含0.75克的全麦可溶纤维…… Whole grain barley and other products containing whole or milled barley are now allowed to claim th
RACHEL MARTIN, HOST: Scientists doing embryo research are facing some sensitive questions over a new generation of scientific experiments, questions like how long should scientists be allowed to keep human embryos alive in their labs to study them? A
ARI SHAPIRO, HOST: For the first time, scientists have altered the DNA in human embryos to make a fundamental discovery about early human development. Scientists say this proves that modifying genes and human embryos can reveal powerful insights into
By Deborah Tate Washington 17 July 2006 The U.S. Senate Tuesday is expected to approve federal funding for expanded embryonic stem cell research, despite a veto threat from President Bush who opposes the idea on moral grounds. -------- On the eve of
布拉格恢复地铁运营 PRAGUE, June 6 (Xinhua) -- Prague resumed the operation of all its three metro lines on Thursday morning after a four-day closure amidst flooding threats from the Vltava River, the Prague Public Transport Company (DPP) has
During the weekend, 2 couples and their families invited the media newspapers, TV and radio to interview them about embryo donation. The first couple had two teenage boys and the second couple had a 3-month old baby girl. Couple 1s 16 year old son wa