2. 外语
  3. This type of learning, however, is called conditioning.The animal simply learns that when it performs a particular behavior, it

This type of learning, however, is called conditioning.The animal simply learns that when it performs a particular behavior, it

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问题     This type of learning, however, is called conditioning.The animal simply learns that when it performs a particular behavior, it gets a reward, usually a fish.Many animals, including rats, birds, and even invertebrates, can be conditioned to perform tricks.We certainly don’t think of these animals as our mental rivals.Unlike most other animals, however, dolphins quickly learn by observations and may spontaneously imitate human activities. One tame dolphin watched a diver cleaning an underwater viewing window, seized a feather in its beak, and began imitating the diver—complete with sound effects! Dolphins have also been seen imitating seals, turtles, and even water-skiers.
Look at the four squares[]that indicate where the following sentence can be added to the passage.
This reward is merely one possible type of positive reinforcement that leads to more frequent repetition of the behavior in the future.
Where would the sentence best fit?
选项 A、This type of learning, however, is called conditioning. This reward is merely one possible type of positive reinforcement that leads to more frequent repetition of the behavior in the future. The animal simply learns that when it performs a particular behavior, it gets a reward, usually a fish.Many animals, including rats, birds, and even invertebrates, can be conditioned to perform tricks.We certainly don’t think of these animals as our mental rivals.Unlike most other animals, however, dolphins quickly learn by observations and may spontaneously imitate human activities. One tame dolphin watched a diver cleaning an underwater viewing window, seized a feather in its beak, and began imitating the diver—complete with sound effects! Dolphins have also been seen imitating seals, turtles, and even water-skiers.
B、This type of learning, however, is called conditioning.The animal simply learns that when it performs a particular behavior, it gets a reward, usually a fish. This reward is merely one possible type of positive reinforcement that leads to more frequent repetition of the behavior in the future. Many animals, including rats, birds, and even invertebrates, can be conditioned to perform tricks.We certainly don’t think of these animals as our mental rivals.Unlike most other animals, however, dolphins quickly learn by observations and may spontaneously imitate human activities. One tame dolphin watched a diver cleaning an underwater viewing window, seized a feather in its beak, and began imitating the diver—complete with sound effects! Dolphins have also been seen imitating seals, turtles, and even water-skiers.
C、This type of learning, however, is called conditioning.The animal simply learns that when it performs a particular behavior, it gets a reward, usually a fish.Many animals, including rats, birds, and even invertebrates, can be conditioned to perform tricks. This reward is merely one possible type of positive reinforcement that leads to more frequent repetition of the behavior in the future. We certainly don’t think of these animals as our mental rivals.Unlike most other animals, however, dolphins quickly learn by observations and may spontaneously imitate human activities. One tame dolphin watched a diver cleaning an underwater viewing window, seized a feather in its beak, and began imitating the diver—complete with sound effects! Dolphins have also been seen imitating seals, turtles, and even water-skiers.
D、This type of learning, however, is called conditioning.The animal simply learns that when it performs a particular behavior, it gets a reward, usually a fish.Many animals, including rats, birds, and even invertebrates, can be conditioned to perform tricks.We certainly don’t think of these animals as our mental rivals. This reward is merely one possible type of positive reinforcement that leads to more frequent repetition of the behavior in the future. Unlike most other animals, however, dolphins quickly learn by observations and may spontaneously imitate human activities. One tame dolphin watched a diver cleaning an underwater viewing window, seized a feather in its beak, and began imitating the diver—complete with sound effects! Dolphins have also been seen imitating seals, turtles, and even water-skiers.
答案B
解析
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