2. 外语
  3. _________, ozone levels in the ionosphere appear to have dropped recently.

_________, ozone levels in the ionosphere appear to have dropped recently.

admin2010-01-15  41
问题 _________, ozone levels in the ionosphere appear to have dropped recently.
选项 A、However the reason
B、It is the reason
C、What is the reason
D、whatever the reason
答案D
解析 连接副词“whatever”=“regardless of”。例如：1．He wore antique clothes and，whatever the weather，galoshes... 2．It is always the same story，whatever the cultural variation．
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