下面小编跟大家一起了解专升本英语冲刺练习分析，希望对大家的学习有所帮助。
　　1. But Americans don’t seem to be getting the message that we need seven to nine hours per night.
　　2. Brady explains that the fat cells responded significantly to the loss of sleep.
　　3. Polar bears have thick fur, big paws and other features that make them well prepared for life in their tough environment.
　　4. Although these bears are strong swimmers, they are no match for lightning swift seals in the water.
　　5. It’s also a safe way for children to experience for themselves how a lie usually goes out of control.
　　参考答案
　　1. 但是美国人似乎没有明白我们每天晚上需要7到9小时的睡眠。
　　2. 布雷迪解释说脂肪细胞对缺乏睡眠有很大的反应。
　　3. 北极熊有厚毛皮、大脚掌和其他一些特征，这使得它们能够为艰苦环境中的生活做好准备。
　　4. 尽管这些北极熊是游泳能手，在水中它们比不上闪电般迅速的海豹。
　　5. 让孩子们亲自体验谎言是如何失控的，也是一种安全的方法。