标题: 托福词汇440题(354)：At any rate [打印本页] 作者: jessie_818 时间: 2014-11-17 09:00:25 标题: 托福词汇440题(354)：At any rate
At any rate, plant growth greatly enriched our atmosphere with oxygen. The reason for this enrichment is that plants, in the presence of sunlight, process carbon dioxide and water to produce oxygen.
The word "At any rate" is closest in meaning to which of following?