These years, Qomolangma is in danger because many people leave their waste behind, such as water bottles and plastic bags.

这些年来，珠穆朗玛峰处于危险之中，因为许多人把垃圾留在这里，如水瓶和塑料袋。

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But critics say the sheer weight of water backed up in the 410-mile-long reservoir behind the dam has increased the danger of earthquakes and landslides.

但是评论家们认为大坝背后长达410英里的水库中庞大的蓄水增加了地震和山体滑坡的威胁。

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Dr Landos and Dr Glanville said there was no danger for people either swimming or eating fish from the Noosa River because if chemicals were in the water, levels would likely be exceedingly low.

蓝多士博士和格兰维尔博士表示，游泳或吃从努沙河钓的鱼并无危险。因为假如河里有农药，水平线可能会非常低。

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"We're likely to see a dramatic increase now in drownings and other kinds of water fatalities and other kinds of danger associated with crossing in the water, " he said.

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When the discussion shifts from identity theft and stolen bank account numbers to chemicals in the water supply, the danger becomes much more palpable.

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The report also includes a survey of more than 1, 000 parents which showed almost all (98%) believed every child should be able to swim by the end of primary school but only 40% thought their children would be able to swim to safety if they got into danger in the water.

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