第二部分: 題組文章解析49-A study in 2010 showed that a wet dog can throw off half the water on its body by shaking ….
第二部分: 題組文章解析54-For example, in one second, a rat can shake 18 times, a dog 6 times, and a bear 4 times.
第二部分: 題組文章解析59-In the animal world, how fast an animal can run often decides whether it will live or not.
