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4.This diagnosis has since been confirmed by deep - sea drilling. 这种特征后来为 深海 钻探所证实. 5.It came on the heels of our ill - fated venture into deep - sea diving. 我们刚去过深海潜水探险结果失败了. 6.They geared the deep - sea diver with helmet, suit and air nose. ...
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helmet with side and front windows covers the head. A noncollapsible pipe connects the helmet to an air supply. An attached lifeline hauls the diver to the surface. Too rapid an ascent from great depths causes the diver to sufferdecompression sickness. To prevent this, deep-sea divers either...
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But for most divers it is a kind of job that must be done under water.For example, one of the jobs that deep-sea divers do is to raise the ships lying on the bottom of the sea.A diver faces danger each time he goes under water.His life depends on a supply of air sent to him...
根据文章度一段中But the first deep-sea divers(潜水员)wanted to find sunken treasure.可知,第一批深海潜水员潜入深海的目的是找到沉入海底的珠宝,故选D。 根据文章第二段中The pressure of air is about 15 pounds on every square inch. But the pressure of water is about 1,300 pounds on every squa...
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