阅读理解。 The giraffe is the tallest modern land animal. It can be over 5.05 metres tall. Its neck alone may be 1.09 metres long. Yet the giraffe has only seven bones in its neck. The same number as in the human. Even a small bird has many more bones in its neck than in a tall giraffe. Each bone in a giraffe's neck is very long, while the bones in a human neck are small. That makes the difference. A female giraffe gives birth to one baby at a time. The baby, called a calf, is about 1.9 meters tall at birth. By the age of eight it is full-grown. The giraffe eats mostly leaves. Because it has a long neck, it can reach the leaves high up on the trees. 1. In the passage the word 'giraffe' means _______. A. 鲸鱼 B. 长颈鹿 C. 大象 D. 河马 2. The bones in a bird's neck is _______. A. as big as in a human's neck B. as big as in a giraffe's neck C. many more than in a human's neck D. much smaller in a giraffe's neck 3. Which of the following is true? A. A giraffe has only seven bones B. The giraffe is the largest animal on the land C. It takes eight years for a giraffe to grow up D. Most of the leaves on the trees are eaten by giraffe 4. When a giraffe is born, it is about _______. A.5.5 metres long B. 5.5 meters tall C. 1.9 metres long D. 1.9 metres tall 5. We can guess when giraffe see a tiger _______. A. it will run away as fast as possible B. it will run to eat the tiger C. it will make the tiger bring it something to eat D. it will make one if the smallest animals bring the tiger something to eat