答案　A

　　39．Which of the following is the picture of the Asian pitcher plant?

　　解析　推理判断题。根据第四、五、六段可知亚洲捕虫草主要有这些特征：状如水瓶，颜色鲜亮，有半掩的盖子，综合此三项可知，只有A项最合适。

　　答案　A

　　B

　　Researchers from the University of North Carolina in Chapel Hill found that coral coverage in the Indo­Pacific­an area stretching from Indonesia's Sumatra island to French Polynesia—dropped 20 percent in the past two decades.

　　About 600 square miles of reefs have disappeared since the 1960s，the study found，and the losses were just as bad in Australia's well­protected Great Barrier Reef as they were in poorly managed marine reserves in the Philippines.

　　“We found the loss

　　of reef building corals was much more widespread and severe than previously thought，”said John Bruno，who conducted the study along with Elizabeth Selig.“Even the best managed reefs in the Indo­Pacific suffered significant coral loss over the past 20 years.”

　　The study，which examined 6,000 surveys of more than 2,600 Indo­Pacific coral reefs done between 1968 and 2004，found the declines began earlier than previously estimated and mirror global trends.The United Nations has found close to a third of the world's corals have disappeared，and 60 percent are expected to be lost by 2030.

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