问题
选择题
下列属于动物学习行为的是 [ ]
A．飞蛾扑火
B．母鸡孵卵
C．蜜蜂采蜜
D．老马识途
答案
答案：D
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下列属于动物学习行为的是 [ ]
A．飞蛾扑火
B．母鸡孵卵
C．蜜蜂采蜜
D．老马识途
答案：D
He lost his arms in an accident that caused the death of his father. Then his 36 became his shadow, never leaving him alone for years. 37 writing with his toes, he was completely unable to do anything in his life. As the two brothers grew up together, they had their 38 of problems and they would often quarrel. Then one day, his younger brother decided to 39 separate from him, living his own life as many 40 people do. So he was heart-broken and didn’t know what to do. A 41 misfortune happened to a girl, too. One night she tried to 42 meals for her sick mother, only to overturn the kerosene light on the stove, resulting in a fire which took her 43 away. Though her elder sister in another city 44 her willingness to take care of her, she was 45 to learn to be completely independent. At school, she 46 studied hard. One day, the boy and the girl were both invited to 47 on a television interview program and asked to 48 something on a piece of paper with their toes. The boy wrote:My younger brother’s arms are my arms; 49 the girl wrote: Broken wings, flying heart. They had both 50 the same pain, but their different attitudes determined the nature of their lives. It is true that life is unpredictable（难以预料）. Disasters can strike at 51 time. If you choose only to complain and 52 , it will always follow you 53 you go. But if you decide to be 54 , the hard moment will 55 to be one when new hopes will arise.
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