Around 80 percent of all lifeguard rescues are caused by powerful rip currents pulling a swimmer into danger.(这意味着,它们不仅能迅速将海藻和其他材料带到海里,还能迅速将最强壮的游泳者冲走。大约80%的救生员救援是由于强大的激流将游泳者拖入危险之中。)”可知,了解激流可以防止你游到危险的地方。故选A...
WHAT ARE RIP CURRENTS?Rip currents (裂流) are like the rivers of the sea, transporting water near the shore back out into the ocean depths. The presence of these currents can be hidden by the wild movements of the surrounding waves. This means that as well as carrying seaweed and pieces ...
Rip Currents Rip currents, sometimes referred to as rip tides, are most commonly found at beaches that have waves breaking on the shoreline, but can also occur at lakes where waves are breaking. A rip current is the movement of water away from the shoreline and out to sea. When waves bre...
Temperatures are warming up and soon many will be heading to their favorite beach to cool down. Well, anytime you go to the beach you should be aware of some of the potential dangers out there, and one of the most dangerous things in the water, aside from marine life, is rip currents...
Currents distribute heat across the globe, influencing climate and weather patterns. 8 How deep do currents go? Some currents are surface currents while others, like the thermohaline circulation, can extend to deep ocean layers. 6 What is a rip current? A rip current is a strong, localized, ...
Rip currents are narrow columns of water flowing rapidly away from the beach, like a swift stream within the ocean. They don't pull swimmers under water, but can carry them out a fair distance from shore. Low spots along the beach, or areas near jetties or piers, are often where rip ...
RELATED: Rip currents kill 100 people a year in the U.S. People of all ages are at risk of drowning, but children are especially vulnerable, said Denny, a pediatrician at Nationwide Children's Hospital in Columbus, Ohio, and associate clinical professor of pediatrics at Ohio State ...
Each day before beachgoers arrive lifeguards evaluate the conditions in the water and it is important to listen to their advice before entering the water. If there is a threat for rip currents on the day you're at the beach you should heed the warning and stay out of the water. ...
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A. Only strong currents. B. Only rip tides. C. Only undertows. D. Strong currents, rip tides, and undertows. 相关知识点: 试题来源: 解析 D。解析:文章提到“be aware of the water conditions. Look out for strong currents, rip tides, and undertows”,要注意水流情况,包括强水流、激流和...