UC知道跪求这篇首八年级上首字母填空的答案~
来源：百度知道 编辑：UC知道 时间：2024/05/21 07:32:05
The bat’s radar s works the same as the one that ships and planes use. As a bat flies through the air, he makes a sound. The sound is high e for his ears to hear. If the sound hits a thing, it comes back. The bat’s ears receive the m . In this way the bat is able to know where the thing is.
Bats go out to look for food at night. In the daytime they hang in some d places.Some people look on bats as bad animals. In fact, they are helpful.
Bats are the only flying mammals in the world. They can't see very well. It was long believed and still is in many places, that all bats are blind. "Blind as a bat" is often heard. Yet they have no trouble in flying on the darkest nights and finding their way around very well. How can bats fly and see at night? They fly by radar (雷达)!
The bat's radar system works the same way as the one that ships and planes use. As a bat flies through the air, he makes a sound that is too high for our ears to hear. If the sounds hit things, they come back. The bat's ears receive the messages. In this way they are able to tell the bat where the things are: Bats go out to look for food at night. In the daytime they hang in some dark places. Some people think the bats are bad animals. In fact, they are useful animals.
Bats are the (only) flying mammals in the world. They can not see very well. It was long (believed) ,and st