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Mary had just returned from her school. She was thirsty. Mary, you can have a cup of milk, called her mother. Mary went into the dinning hall. Mummy, the milk is spoilt, she cried out. Her mother came in. Let me see. Yes. This milk is spoilt, her mot
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Jack could see the Paris sky through the iron rails ofthe tower. At first, climbing was easy. The stepsweren't very steep, and Jack counted each one as theyclimbed. Twenty-six, twenty-seven, twenty-eight ...I wonder what's going on at the top now, sa
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Jack and Annie pressed through the crowd ofpeople swarming about the Hall of Machines. Finallythey reached the exit and slipped back out into thewarm Paris night. The fair was just as crowdedoutside the hall as inside. Musicians played guitars,singer
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Jack and Annie whirled around. A dark figure wasstanding at a side door of the institute. The sorcerer! Jack thought. He frantically tried to remember hisline of the rhyme. Can I help you? the figure said. He steppedforward into the light of a gas la
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As a kindergarten teacher might say, sharing is caring. She might not mention that cooperation is also a great way to form a community and thus improve everyone's chances of survival. Humans aren't only ones to apply this strategy. Marine bacteria al
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The reason that Vibrio fischeri is doing that comes from the biology. 费氏弧菌的发光现象来自生物学上的原因。 So again, another plug for the animals in the ocean, Vibrio fischeri lives in this squid. 接下来，我们再来看一个海
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