I'm a native English speaker in the US and I took the test without looking at the answers and I got both right: 1,d and 2,b. This one was "easy," for a native English speaker, because just from the point of view of grammar and usage - without even considering the content of the passage - d and b have to be the answers. In 1, the phrases: "attitudes/depths/economies of how people live" are not right grammatically and usage-wise, so the answer has to be d.
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