Let’s suppose that you happen to step into some quicksand. The best way to deal with it is to stay calm. You may sink, but you won’t sink quickly. You will have time to try several ways to get out. First, drop anything you might be carrying that adds weight, such as a backpack. Then try walking out -making slow and steady movements with your legs. If this doesn’t work, the best thing to do is lie back and float, it’s even easier to float on quicksand than on regular water.

　　Of course, you will want to call for help. If help is nearby, it’s best simply to wait. If help is not nearby, then continue to lie on your back but make slow, rolling movements toward the edge of the quicksand. When you feel solid ground underneath, you can stand up.

　　Some animals seem to know how to avoid sinking down into quicksand. Mules, for instance, fold their legs underneath them and float on their bellies. Cows, on the other hand, tend to panic and wave their legs around. This doesn’t help them escape. So, if you are ever trapped in quicksand, think like a mule, not like a cow.

　　56. What detail supports the idea that quicksand can be dangerous?

　　A. Quicksand forms when water seeps up from underneath.

　　B. You will have time to try several ways to get out.

　　C. Animals have fallen into quicksand and never escaped.

　　D. Quicksand is really just an ordinary sand.

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