Over the past decades, sea icein the Arctic as a result of global warming.A . haddecrea

What is the main idea of the passage？A．Ice covers have been diminishing for the past decad

Which of the following has the largest increase in production over the past decade？A．natur

A major aspect of many firms marketing strategies over the past decade have been the dev

Over the past two decades, the popularity of the bicycle as a mean of transportation and r

The past two decades have witnessed great changes in information technology（翻译)

Over the past three decades the enrollment of overseas students has increased ______.A.by