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CNN 2010-02-10

To vaccinate or not to vaccinate? It's a debate that raged among parents and one that's divided the autism community. Now one journal that put out a paper showing an autism vaccine link is retracting it. CNN's senior medical correspondent Elizabeth C

发表于:2018-12-20 / 阅读(68) / 评论(0)

CNN2010年(二)月

趣味青春英语第150期:On my back

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Amid the recent economic downturn, demand in the U.S. is rising for small wind turbines to power people's homes. The American Wind Energy Association says sales of such turbines rose 15 percent in 2009. One man in Florida is generating his own power

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VOA标准英语2010年(六)月

VOA标准英语2013--Magnetic Ring Used to Stop Acid Reflux

Magnetic Ring Used to Stop Acid Reflux Heartburn is usually linked to gastric acid that reaches the esophagus when a weak muscle does not close as it should after swallowing. When stomach juices back up into the esophagus, the acid can cause a burnin

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VOA标准英语2013年(四月)

Bird-friendly Bladeless Wind Turbine Mimics Nature

Bird-friendly Bladeless Wind Turbine Mimics Nature Energy created by conventional three-blade wind turbines is cheap, sustainable and pollution-free. But according to current estimates, the devices' fast-moving blades kill up to 300,000 birds annuall

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VOA标准英语2015年(十一月)

Iran, Pakistan border reopened after 6 months' closure

ISLAMABAD, Jan. 26 (Xinhua) -- Iran on Wednesday reopened its border with Pakistan, which was closed after two suicide attacks in an Iranian border city, blamed on Pakistan-based anti-Iran group, officials said. Iran closed the border with Pakistan a

发表于:2019-02-05 / 阅读(49) / 评论(0)

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