Question 22 : There is a sentence that is missing in the paragraph below. Look at the paragraph and decide in which blank (option 1, 2, 3, or 4) the following sentence would best fit.
Sentence: When people socially learn from each other, they often learn without understanding why what they're copying-the beliefs and behaviours and technologies and know-how-works.
Paragraph: ___(1)___. The dual-inheritance theory ....says....that inheritance is itself an evolutionary system. It has variation. What makes us a new kind of animal, and so different and successful as a species, is we rely heavily on social learning, to the point where socially acquired information is effectively a second line of inheritance, the first being our genes.... ___(2)___. People tend to home in on who seems to be the smartest or most successful person around, as well as what everybody seems to be doing-the majority of people have something worth learning. ___(3)___. When you repeat this process over time, you can get, around the world, cultural packages-beliefs or behaviours or technology or other solutions-that are adapted to the local conditions. People have different psychologies, effectively. ___(4)___.
Reading the given paragraph, we can see that the missing sentence does not make a good starting sentence or conclusion to the paragraph. So, we can easily rule out options 1 and 4.
The flow of ideas in case of option 3 is already smooth. The majority of people have something worth learning from the people around them and when this learning process is repeated over time, you can get cultural packages adapted to local conditions.
The best place to fit the given sentence is option 2. The previous sentence talks about 'socially acquired information'. The given sentence explains how people socially learn from each other. The next sentence adds to this idea of learning from people around. So, option 2 is the correct choice.
Choice B is the correct answer.
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