当前位置： 找题吧 >  高中
[单选题]

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

A． . haddecreased Bdecreased C has been decreasingD is decreasing

参考答案与解析：

相关试题

During the past two decades,research has

[单选题]D．uring the past two decades，research has______our knowledge of daydreaming.A．expandedB．emergedC．descendedD．conquered

  • 查看答案

    • Over the past 20 years, the Internet hel

    [单选题]Over the past 20 years, the Internet helped change our world in _____way or another for the better. A. any B. one C. every D. either

  • 查看答案

    • Over the past 20 years, the Internet has

    [单选题]Over the past 20 years, the Internet has helped change our world in way or another for the better.A． anyB. one C. everyD. either

  • 查看答案

    • Without question, people’s lives in China have improved dramatically in the past two decades.

    [单选题]Without question, people’s lives in China have improved dramatically in the

  • 查看答案

    • Text 2Over the past century, all kinds o

    [单选题]Text 2Over the past century, all kinds of unfairness and discrimination have been condemned or made illegal. But one insidious form. continues to thrive: alphabetism. This, for those as yet unaware of such a disadvantage, refers to discrimination aga

  • 查看答案

    • The miracle silicon chip represents a development in the technology of mankind that over the past fe

    [问答题]The miracle silicon chip represents a development in the technology of mank

  • 查看答案

    • Over the past few years, the companies in an industry have experienced positive but decreasing profi

    [单选题]Over the past few years, the companies in an industry have experienced posi

  • 查看答案

    • Over the past century, all kinds of unfairness and discrimination have been condemned or made illega

    [单选题]Over the past century, all kinds of unfairness and discrimination have been

  • 查看答案

    • Over the past century, all kinds of unfairness and discrimination have been condemned or made illega

    [单选题]Over the past century, all kinds of unfairness and discrimination have been

  • 查看答案

    • Over the past century, all kinds of unfairness and discrimination have been condemned or made illega

    [单选题]Over the past century, all kinds of unfairness and discrimination have been

  • 查看答案

    • Over the past decades, sea icein the Arc