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I am afraid that you" 11 have to______the deterioration of the condition.
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The company still hopes to find a buyer, but the future looksbleak.
Fourteen-year-old Sean MeCallum lay in a hospital bed waiting for a new heart. Without it, Scan would die. Sean" s case is not unusual. Everyday many people die because there just aren" t enough human organs to go around. Now scientists say they can alter the genetic make-up of certain animals so that their organs may be acceptable to humans. With this gene-altering technique to overcome our immune rejection to foreign organs, scientists hope to use pig hearts for transplants by the year 2008. That prospect, however, has stirred up strong opposition among animal fight activists. They protest that the whole idea of using animal organs is cruel and unjust; some scientists also fear such transplants may transform unknown diseases to humans. Others believe transplanting animal organs into humans is unnecessary. Millions of dollars spent on breeding pigs for their organs could be better spent on health education programs. They believe seventy-five percent of the heart disease cases that lead to a need for organ transplant are preventable. The key is to convince people to eat healthfully, and not to smoke or drink alcohol. Scientists could also use research funds to improve artificial organs. Still others believe that though new inventions and prevention programs may help, spending money to encourage more people to donate their organs is an even better idea. If enough people were educated about organ donations, everyone who needed an organ could be taken off the waiting list in a year. Not only is the gene-altering technique a technical issue, according to the passage but also it______.
The educators should try hard to develop the______abilities of children.
患者男，18岁，山区居民，反复多关节疼痛5年，加重4个月，查RF(-)，X线检查：指末节弯曲，指节增粗。 符合早期诊断参考标准中的具有诊断意义的项目有
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