Explanation for Question 48 From the Reading Section on the 2018 May Sat
But for question number 48, we see this question reads based on the passage, 2 the authors would most likely say that conducting deep all 3 sky interviews to obtain information about ancient galaxies 4 is what, so the candidates question most likely say indicates to us 5 that we are making an inference based on the content of the passage. 6 We're looking at deep all sky surveys, 7 so important to note this all sky keyword and the question, 8 um, and using this to obtain information about ancient galaxies. 9 So let's go back to the passage and see where they're discussing using these 10 sky surveys to get some information about ancient galaxies. 11 We noticed that they go in depth, 12 um, in this first and second paragraph of the 13 right-hand column of the passage about how they are actually using 14 these particular patches, these particular regions to get information. 15 Um, we see here in this paragraph, 16 much as pollsters and medical researchers learn about the human population as a whole, 17 by studying carefully selected samples, 18 we chose the five target areas because they're physically representative of the universe at 19 large. 20 So the experimental design here revolves around selecting particular key 21 areas to look at so that the scientists don't actually have to look at 22 every single region of the universe doing. 23 So would obviously be hugely, 24 hugely time consuming and resource consuming and probably not practical. 25 So they're, they're trying to gai...