题目内容
阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
Human cloning is expected to be ______1._______ (benefit) to mankind in many ways, although some people object to ______2.______ (carry) out human cloning research. Below is a list that is far from completion.
Dr. Richard Seed, one of the leading _______3._______ (support) of human cloning technology, indicates that it may someday be possible to reverse(颠倒) the aging process because of what we learn from cloning.
Scientists, who are also in _____4._______ of human cloning technology, believe that heart attack victims may get treated ______5.________ (appropriate) if their healthy heart cells are cloned and then injected into the areas of the heart that have been damaged.
______6.________, there has been a breakthrough _______7.______ human stem cells. Embryonic(胚胎的) stem cells can be grown to produce organs to repair or replace damaged _______8._______. By combining this technology with human cloning technology it may be possible to produce needed organs for suffering people _______9._______ will be free of rejection by their immune systems. Conditions such as Alzheimer’s disease, Parkinson’s disease, diabetes, heart failure, and other problems may _______10._______ (cure) if human cloning and its technology are not banned.