19. Snakes change their skin regularly because …
A) they live in dry areas. C) they are reptiles. B) they have slimy skins. D) their skin does not grow with them.
20. Snakes cannot close their eyes because …
A) they have unblinking stare. C) their eyelids do not move.
B) they live in water in tropical regions. D) their skin is dry to the touch.
21. According to the text it is surprisingly that …
A) Several snakes can live both land and water. B) They can be found top of the highest mountains.
C) Snakes are capable of living near the North Pole. D) They shed their skins one time in their life.
Do'stlaringiz bilan baham: |