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heavy a cat is? Boy: I think 1 Teacher: And 2 Girl: Only a few grams, I’m sure . Teacher: Right. So. . . A cat weighs many times more than an insect. Girl: And what about the difference between a dog and a giant panda in size? Teacher: Well, 3 But I would say that a big dog is just less than half the size of a giant panda. Boy: I have a question! 4 Teacher: No, that’s a giant turtle. But a man can live for nearly a hundred years nowadays. That’s quite long. Boy: And 5 Can it live as long as a man? Teacher: No, a butterfly only lives for a few days. Girl: What a short life! Teacher: Yes, many insects have very short lives. Ⅴ. 閱讀理解 (15分 ) The Giraffe The giraffe is the tallest modern land animal. It can be over 5. 5 meters tall. Its neck bone may be 1. 9 meters long. Yet the giraffe has only seven bones in its neck, the same number as in the human