2. 外语
  3. German zoologist Randolf Menzel says bees aren’t as busy as people believe they are. "Bees are not particularly【76】. Instead the

German zoologist Randolf Menzel says bees aren’t as busy as people believe they are. "Bees are not particularly【76】. Instead the

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问题     German zoologist Randolf Menzel says bees aren’t as busy as people believe they are. "Bees are not particularly【76】. Instead they sleep a lot and are lazy. They spend【77】80 per cent of the night sleeping. Even during the day they often fly to the nest【78】they rest their wings." said Menzel, a zoologist at the Free University in Berlin, who hasstudied bees for four decades. But to【79】for their apparent laziness, they are actually very intelligent. They are【80】learners and able to recognize various smells.
    Menzel said bees’ learning, like【81】of many animals, was based on a reward system. "If a bee is rewarded once for something, it remembers it for a week. But if it is rewarded three times,  it will remember it for its【82】lifetime." Said Menzel. He last week was awarded a【83】by the German Zoological Society.
    The memory capacity of bees means they can【84】among more than 50 different smells to find the one they want. "What is interesting is that what smells good to a bee, is also a【85】smell for humans. " said Menzel.
选项 A、those
B、which
C、that
D、what
答案C
解析 由此句的主语(蜜蜂的知识学习)可知，此处需要填入代词，由于代替的是learning，因此，只有that能代替不可数名词的learning，故C是正确答案。
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