题目内容：

Giraffes are the tallest animals of all. They have long legs and long necks. And a mother giraffe can grow to nearly five meters tall.

Giraffe skin is blotched(皮肤上的斑 ) in patterns（样式） of browns and yellows. No two have the same pattern.

They live in parts of Africa. Their necks are long so they can reach high into trees to eat the leaves. Leaves give giraffes most of the water they need so that they do not often have to drink water. A giraffe only drinks about once a day, Giraffes' long legs mean they take big steps when they walk or run. One step can be about 5 meters long. They can run very fast, A giraffe heart is the biggest of any animal's. Although giraffes are peaceful animals, they will protect themselves from lions.

 

1. A mother giraffe can grow to about______ tall.

A. four meters              B. five meters

C. five meters and a half    D. six meters

2. Why does a giraffe only drink once a day?  Because ______.

A. he can drink enough at a time

B. he doesn’t need much water

C. he has a stomach like a camel does

D. leaves give him the rest of water

3. What is the passage mainly about?

A. Giraffe skin pattern.

B. Protection (保护) of giraffes.

C. Some facts about giraffes.

D. Giraffes and lions.