1. 阅读理解

    There are more than 20,000 kinds of fish. Which fish swims the fastest? Where are seahorses from? Read on to find out!

    Who is the fastest? It is the sailfish (旗鱼). Its bill (嘴) is long and thin. Its fin is like a big sail (帆). These things help it swim fast. It can swim 100 km an hour. That is as fast as a car on the highway.

    Seahorse is a fish! And it is a very different kind of fish. Father seahorses give birth to (生产) baby seahorses. It has a pouch (育儿袋), and the mother seahorse lays eggs in it. The pouch can carry 2,000 babies at a time.

    Do you know flat (扁平的) fish? Its eyes are on one side of its head. It is a flounder (比目鱼). When flounders are newborns, their two eyes are on different sides of their head. After about 20 days, one eye moves to the other side.

1. （1） How many kinds of fish are there on the Earth?

   A . 200. B . 2,000. C . More than 20,000. D . 200,000.
3. （2） Which fish swims the fastest?

   A . The sailfish. B . The seahorse. C . The flat fish. D . The flounder.
5. （3） What does the underlined word "it" refer to?

   A . The father seahorse. B . The baby seahorse. C . The pouch. D . The eggs.
7. （4） What can we learn from the article?

   A . The sailfish is as fast as a plane. B . Father seahorses lay eggs in the pouch. C . Seahorse is a kind of horse. D . Flounder's eyes are on different sides when they are newborns.
9. （5） Where can we find the article?

   A . In a travel guide. B . In a storybook. C . In a diary. D . In a science magazine.