蜜蜂上哪里去了(1)
去年秋天，高温气候使得美国的养蜂者损失惨重，蜜蜂神秘失踪，它们上哪里去了？http://t1.g.hjfile.cn/voasp/rm/2007/04/20070413.mp3What has happened to America's honeybees? Last fall, beekeepers from states with warm climates began to report a sudden loss of honey bees. Losses were reported in 24 states and into Canada. Today, some beekeepers say thirty percent to ninety percent of their honey bees are gone. Food prices could …
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