阅读理解。
Birds can fly and bats can, too. But, is a bat a kind of bird? No, a bat is not a kind of bird. They are
different animals.
A bat has four legs. A bird has only two. Bats have teeth and birds have no. Bats have large ears but bird's
ears only holes in the head.
All bats like to eat insects (昆虫). They eat at night and sleep in the daytime. In the evening bats are busy
flying and catching insects. Its legs help it to fly. The piece of skin (皮肤) joins them together. It is just like a
wing.
Some people think bats can't see. In fact it is not true. Bats have eyes, but they cannot see well. Bats have
better ears than men have. They can hear things which people can't. They can feel where a thing is.
That is why the bats can fly about in the evening.
根据短文内容，回答下列问题。
1. Is a bat a kind of bird?
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2. Are bat's ears bigger than bird's?
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3. Why can bats fly about in the evening?
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4. Can bat see well?
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5. What helps bat fly?
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