The stages of human development before birth. An introduction to human embryology: By I. E. Blechschmidt. Basel, 1961, S. Karger Medical Publishers. 684 pages, with 579 illustrations. Price, $23.00ELSEVIERAmerican Journal of Orthodontics
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a我也想娶你 I also want to marry you[translate] a借这次假期养精蓄锐 正在翻译,请等待...[translate] asome people feel sick in the winter 某些人感到恶心在冬天[translate] aAt all stages of human development, from the poor to the 在人的发展所有阶段,从贫寒到[translate]...
Under this principle, economies at different stages of development will reinforce bilateral or multilateral communication, jointly identify and establish innovative cooperation mechanisms, and provide a platform for dialogue, cooperation and participation in global governance. 共建“一带一路”坚持共建原则,不...
Man, even in the lower stages of development, possesses a faculty which, for want of a better name, I shall call Number Sense. This faculty permits him to recognize that something has changed in a small collection when, without his direct knowledge, an object has been removed from or added...
【题目】(C)The Development of CivilizationThe firsttwo stages inthe developmentof civilized man were probably the invention of primitiveweapons and the discovery of fire although nobody knows exactly when he acquired the use of thelatterThe origin of language i also unknown. No doub i began very...
During the early stages of its development, a society becomes aware of forces. 子句类型: 主句 连接词: 分句-1 The forces appear to influence or control its food supply and well-being. 子句类型: 定语从句 连接词: THAT 3. 句子成分 主句 During the early stages of its development, [状语...
Two important stages came not so long before the dawn of written history. The first was the domestication of animals; the second was agriculture. Agriculture was a step in human progress to which subsequently there was nothing comparable until our own machine age. Agriculture made possible an imm...
E Some years ago, Professor Robert Havighurst of the University of Chicago proposed that stages in human development can best be thought of in terms of the developmental tasks that are part of the normal transition (n. 过渡).He identified eleven developmental tasks associated with the adolescent ...
aCapital accumulation is insuperable important stages in the development of human society. Judging from the history of world civilization process, no country without exception, has gone through this stage in different ways. From the massive change in the course of a feudal economic system to a cap...