题目内容
How did the sea horse get its name? It's not hard to guess. The top half of this fish looks like a small horse. But looking at the sea horse's tail, you might think "sea monkey" is a better name. Then there's the sea horse's pouch(口袋). "Sea kangaroo" might also be a good name for this fish.
Sea horse live in warm ocean waters all over the world. They keep safe from other fish by hiding in plants and grasses that grow under the sea. They can also change colors to match their surroundings(环境). A sea horse in one place for hours at a time by winding its tail around a plant. It feeds on live food, such as small shrimp(虾). For a fish that doesn't move around much, the sea horse eats a lot-- in just one day, a sea horse can eat 3,000 shrimp!
A sea horse keeps the same mate for its whole life, and it's the male(雄性的) sea horse that gives birth to baby sea horses. How does this happen? Baby sea horse start out as eggs, which come from the female's(雌性的) body. The male carries the eggs in its pouch for about three weeks until they hatch(孵化). Soon after the babies are born, the female gives her mate a new set of eggs.
Sadly, the number of sea horses is becoming smaller. Why is this happening? Some places where sea horses once lived have been filled in to make new land. Also, many sea horses are caught and sold as aquarium(水族馆) fish. This really is not a good idea because most sea horses don't live long in aquarium. The best place for a sea horse is the ocean.
1.The sea horse got its name because of its_______.
A. pouch B. head
C. skin D. tail
2.How does a sea horse keep safe from other fish?
A. It rolls up. B. It runs away quickly.
C. It remains still. D. It hides in plants and grasses.
3.We can learn from the text that sea horses_______.
A. like to move around B. feed on small sea animals
C. live in cold ocean waters D. change color with the temperature
4.What does a female sea horse do with her eggs?
A. She carries them around. B. She hides them in sea grasses.
C. She puts them in the male's pouch. D. She hatches them.
5.Why is the number of the sea horses becoming smaller?
A. They grow at a very low speed.
B. Their food is becoming less and less.
C. They are killed by people for food.
D. Their homes are being destroyed.