It looks unlikely that medical science
will abolish the process of ageing. But it no longer looks impossible. "In the long run," as John Maynard Keynes observed, "we are all dead." True. But can the short run be {{U}}elongated{{/U}}in a way that makes the long run longer And if so, how, and at what cost People have dreamt of immorality since ancient times. Now, with the growth of biological knowledge that has marked the past few decades, a few researchers believe it might be within reach. To think about the question, it is important to understand why organisms — people included —age in the first place. People are like machines, they wear out. That much is obvious. However, a machine can always be repaired. A good mechanic with a stock of spare parts can keep it going indefinitely. Eventually, no part of the original may remain, but it still c A. ( People and nature exist in harmony and hardly disagree B. ( The evolutionary force in nature helps delay the ageing process C. ( People seem now in a position to harness nature D. ( Death is the reality in nature people should come to terms with [名词解释]教学过程实践说
[填空题]Mr. Bob Davis
[单项选择]目前临床检测抗-HBc最常用的方法为()
A. 间接法 B. 竞争法 C. 双抗原夹心法 D. 捕获法 E. 双抗体夹心法 [判断题]儿童少年关节活动幅度大,柔韧性好,不易发生关节的脱位和韧带的扭伤。()
[多选题] 下列有关办理行政案件的说法正确的有()
A. 日常检查不需开具检查证办案中检查一般要开具检查证 B. 日常检查和办案中检查没有区别 C. 日常检查的内容较为宽泛办案中检查的内容则主要是与违法行为有关的证据 D. 日常检查属于日常工作办案中检查是临时的是以调查违法行为为前提的 [单选题](37940)备用制动手柄( )位没有卡位装置。
A.完全缓解 B.缓解 C.紧急制动 D.中立 [单项选择]与人寿相比,健康保险具有的特征不包括()。
A. 赔偿目的的特殊性 B. 成本分摊的特殊性 C. 合同条款的特殊性 D. 精算技术的特殊性 [判断题]( ) 线路坡度超过12‰的区段,单机挂车不得超过5辆。 ( )
A.正确 B.错误 我来回答: 提交
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