【明報專訊】Across

1. Bats cannot stand. They have to ____ upside down.

4. Bats are nocturnal. They are active only at _____.

6. Most bats eat insects, but there are three species of vampire bats which feed solely on _____.

Down

2. Bats exist in all parts of the world except for the polar regions (the ______ and the Antarctic) and some isolated islands.

3. The idiom "_____ as a bat" is not accurate. All bats have eyes and can see, though with varying levels of vision.

5. Bats are the only mammals that can ___.

(answers on next text)

■ Glossary

upside down (adv) 上下顛倒地

nocturnal (adj) 夜間活動的