1,Assuming that all the offspring survived,190,000,000,000,000,000,000 flies could be produced in four months by the offspring of a single pair of flies.假定其所有后代都能成活,一对苍蝇在4个月内可繁殖出1,900 亿亿只苍蝇来.
2,Honey is the only food that does not spoil.Honey found in the tombs of Egyptian pharaoh-s has been tasted by archaeologists and found edible.蜂蜜是唯一不会坏的食物.考古学家尝了在埃及法老坟墓中的蜂蜜,发现仍能食用.