49. Not _B_, the process of choosing names varies widely from culture to culture. A obviously B surprisingly C particularly D normally not surprisingly 一点也不奇怪。 vary vi. 变化。 vary from … to … 从一种形式变化到另一种形式。vary between … and … 在两者之间进行变化。 29. Features such as height, weight, and skin color _B_ from individual to individual and from face to face. A change B vary C alter D convert individual n. 个人，个体； individualism n. 个人主义。 44. The hope, goals, fears and desires _D_ widely between men and women, between the rich and the poor. A alter B shift C transfer D vary 50. A man escaped from the prison last night. It was a long time _A_ the guards discovered what had happened. A before B until C since D when It + 系动词 + 一段时间 + before引导的句子 在…之前花费多少时间。 54. Scientists say it may be five or ten years _D_ it is possible to test this medicine on human patients. A since B when C after D before
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2008-09-10 
