未知题型 By saying 'from the point of view of evolution, human beings are very young children indeed'(paragraph 3), the author meansA.very young children are not civiliseD.B.evolution does not help civilization forwarD.C.human beings are still at the beginning of their life on earth.D.human beings have learnt very little in a very long timE.

单项选择题 如何删除数组的最后一个元素() (3分) A. array_del B. array_push C. array_key D. array_pop

未知题型 The real reason for ChoicePoint's fast expansion is thatA.it collects and sells personal information.B.it has acquired nearly 60 firms since 1997.C.the industry is largely unregulated by the government.D.the information it provides is useful to many.