【正文】
__(倍 )more than an insect. Girl: And what about the difference in 30 __(尺寸 )between a dog and a giant panda? Teacher: Well, it depends on what kinds of I would say that a big dog is just less than half the size of giant __(熊貓 ). Boy: I have a question! Is man the __(最長(zhǎng) )living animal in the world? Teacher: No, that39。s a giant a man can live for nearly 120)years 39。s quite long. Boy: And how __(多長(zhǎng) )can a butterfly live? Can it live as long as a man? Teacher: No, a butterfly only lives for three days. Girl: What a __(短的 )life! Teacher: Yes, many insects have short lives.