题目内容

The government will begin a series of to help the public fully understand the new educational system.

A. expectations B. occasions

C. presentations D. assumptions

 

C

【解析】

试题分析：考查名词。A. expectations期望；B. occasions场合；C. presentations陈述；D. assumptions假定。句意：政府将开始一系列的报告来帮助公众完全理解新的教育体系。故C正确。

考点：考查名词

 

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Previously, many naturalists believed that African savanna elephants and African forest elephants were two populations of the same species, despite the elephants’ significant size differences. The savanna elephant has an average shoulder height of 3.5 metres while the forest elephant has an average shoulder height of 2.5 metres. The savanna elephant weighs between six and seven tons, roughly double the weight of the forest elephant. But the fact that they look so different does not necessarily mean they are different species. However the proof lay in the analysis of the DNA.

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