German zoologist Randolf Menzel says bees aren"t as busy as people believe they are. "Bees are not particularly【B1】. Instead they sleep a lot and are lazy. They spend【B2】80 per cent of the night sleeping. Even during the day they often fly to the nest【B3】they rest their wings", said Menzel, a zoologist at the Free University in Berlin, who has studied bees for four decades. But to【B4】for their apparent laziness, they are actually very intelligent. They are【B5】learners and able to recognize various smells. Menzel said bees" learning, like【B6】of many animals, was based on a reward system. "If a bee is re warded once for something, it remembers it for a week. But if it is rewarded three times, it will remember it for its【B7】lifetime", said Menzel. He was awarded a【B8】by the German Zoological Society. The memory capacity of bees means they can【B9】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【B10】smell for humans", said Menzel.
单选题
【B1】
【正确答案】
B
【答案解析】解析：hardworking苦干的，不辞辛劳的。本题句中缺表语，正确答案应该是B。
单选题
【B2】
【正确答案】
C
【答案解析】解析：前一句提到"相反，它们很爱睡觉并且懒惰"，因此下文说"它们用夜晚80%以上的时间睡觉"。as to"关于，至于"，如：We are puzzled as to how it happened．关于它是如何发生的，我们很迷惑。as much同样多。such as例如…，像这种的。
【答案解析】解析：rapid以极高速度运动、行动或发生的。swift行动或反应迅速的，立刻的，如：swift to take steps快速采取措施。speedy以迅速的行动为特征的。quick学习、思考或理解上迅速且敏捷的；聪明的。所以答案是D。
单选题
【B6】
【正确答案】
C
【答案解析】解析：此处考查代词that的特别用法，即可以代表前面提到的名词，以避免重复，本句中that代表 learning，例如：My seat is next to that of the mayor．我的座位在市长座位旁边。
单选题
【B7】
【正确答案】
A
【答案解析】解析：full充满的，完全的，丰富的，完美的，详尽的，丰满的，如：a full account完整的叙述。integrate使成整体，使一体化，求…的积分。all构成，具有或代表全部范围或整体的，如：all Christendom所有基督教徒。entire全部的，完整的，整个，没有留下任何部分的。
单选题
【B8】
【正确答案】
A
【答案解析】解析：prize奖赏，奖金，奖品，捕获，捕获物，战利品。praise赞扬，赞美的话，赞美，荣耀，称赞，如：to speakin speaking praise of a friend称赞一位朋友。price n.价格，价钱，代价。pride自豪，自尊(心)，骄傲，傲慢。"获奖"为"award a prize"，所以答案为A。
单选题
【B9】
【正确答案】
B
【答案解析】解析：discriminate歧视，区别，区别待遇，如：discriminate among the options available辨别这些可用的选择。distinguish区分，辨别，分清，感觉到不同的或有区别的。divide分，划分，分开，隔开。derive得自，起源。