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自然发火期是煤炭自然发火危险程度在时间上的亮度，自然发火期越短的煤层自然发火危险程度就越大。()
降尘的具体措施有煤层注水、采空区灌水、水封爆破水炮泥、喷雾洒水、通风除尘和清扫落尘。()
当孩子抽搐时，家长应注意确保周围环境安全，移除附近的尖锐物品，不要造成孩子的二次损伤。()
Clonaid, a company associated by a group that believes extraterrestrials created mankind, announced Friday that it had produced the first clone of a human being. According to the spokeswoman, it is a baby girl who appears to have been born healthy.
(47) As we know, cattle, mice, sheep and other animals have been cloned in the past years with mixing success. (48) All cloned animals have displayed defects later in life. (49) Scientists fear same could happen with cloned humans. (50) The company Clonaid is viewed skeptical by most scientists, who doubt the group's technical ability to clone a human being. (51) But the Clonaid spokeswoman said an dependent expert will confirm the baby's clone status through DNA testing.
(52) Clonaid is lead by Brigitte Boisselier a former deputy director of research at the Air Liquide Group, a French producer of industrial and medical gases. (53) Clonaid is also linked to a sect called the Raelians whose founder, Claude Vorihon, describes himself for a prophet and calls himself Rael. (54) The group believes cloning could extend human life for hundred of years. In fact, Clonaid has been racing the Italian fertility doctor Severion Antinori to produce the first cloned baby. (55) Antinori said in last month he expected one of his patients to give birth to a cloned baby in January.
(41)
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