Ⅰ.完形填空
Many animals use some kinds of “language”. They use signals and the signals have meanings. For example, __1__ a bee has found some food, it goes back home. It is __2__ for a bee to tell the other bees where the food is by speaking to them, but it can do a little dancing. This tells the bees where the food is and __3__ it is.
Some animals show how they feel by making sounds. It is not difficult to tell if a dog is angry, it barks (吠). Birds make several different sounds and each has its own __4__. Sometimes we humans make sounds in the same way. We make sounds like “Oh!” or “Ouch!” to __5__ how we feel about something or when we drop something on our feet.