A science book gives facts. Some science books tell us about animals. Some tell us about plants. Some tell us about outer space. This page tells us about animals.

Do you know that not only the fish but also some animals live in the sea? For example, the whale is not a fish. It can’t breathe in the water. It swims in the water. But it comes up for air.

The blue whale is the world’s biggest animal. There are other sea animals, too. One is called the dolphin. Dolphins need air to live. They breathe air, as whales do. Dolphins are very clever. They sometimes seem to speak to each other.

Many other animals live near the sea. Seals(海豹)and otters(水獭)love the sea. They swim and play there. They eat fish and sea plants. Seals and otters have thick fur. The fur keeps them warm.

1.The passage mainly tells us about ____________.

A.fishes            B.plants            C.science           D.sea animals

2.The blue whales live in the sea. They breathe air as ______do.

A.dolphins          B.fish              C.crocodiles         D.sea plants

3.Which of the sentences below is NOT true?

A.The whale can swim in the sea like a fish.

B.The whale can breathe in the sea like a fish.

C.Both whales and dolphins are sea animals.

D.Seals and otters like living near the sea.

4.What food do seals and otters like eating?

A.Meat.            B.Fruits.            C.Both fish and sea plants.   D.Leaves.

5.Some sea animals can keep themselves warm because ___________.

A.they are big animals                     B.they like playing in the sea

C.they have thick fur                      D.they eat enough food every day

 

阅读下列短文,根据短文内容填写表格,每空限填一词。

The world we live in is full of amazing things. Do you know the following things?

★Chocolate tastes nice but it may make the little dog die.

★We may sleep for eight hours at a time but a snail (蜗牛) may sleep for three years.

★Our ears and nose become bigger when we grow up but eyes keep the same after a person is born.

★You may think a bear walks slowly. In fact, it can run as fast as a horse.

★Cats won’t die if they fall off very high places because they can turn themselves up the right way.

★The largest animal on the earth is the blue whale (鲸). It weighs about 80 tons (吨)—more than 24 elephants.

★Most animals will die soon if they lose the head. But a cockroach (蟑螂) can live for nine or ten days when they have no head.

★Not all birds can fly. About forty kinds of birds can’t fly, like the penguin (企鹅) and the ostrich (鸵鸟).

               Some (1) ________ things in the world

(2) _______

It’s nice but you can’t give it to little (3) _______, because it can kill them.

Snails

 They can sleep as (4) _______ as three years.

Our eyes

 The size of the eyes doesn’t (5) ________ from birth.

Bears

 They can run very (6) _______ like a horse.

Cats

 After (7) _______ off very high places, they can stay alive.

Blue whales

 They are the largest animal and a blue whale’s (8) _______ is about 80 tons.

Cockroaches

 They can live for nine or ten days (9) _______ the head.

Birds

 Most birds are good at (10) _______ but some can’t.

 

 

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