[Video] Q43: The primary purpose of the passage is to

Explanation for Question 43 From the Reading Section on the 2018 March Sat

Hey guys. So question four to three says the primary purpose of the passage 2 is to plank. So you're going to get this question a lot at the 3 start, the section that's pretty common. We're going to get an Afro. 4 You've read this in full let's, try and figure out the primary purpose of 5 the passage. And what it seems to be is that they're describing how these 6 different effect of certain, 7 um, gut microbes is changing the effectiveness of these 8 vaccines based on what they've tested on mice. 9 So we define the answer to this that seems to fall in line with 10 this, and let's work our way from the bottom and figure that out. 11 These says, analyze the genetic components of the flu virus. 12 Now, this is not about the flu virus in particular, 13 even though they use that to test things in the study, 14 it's not about an analysis of the genetic components of it. 15 Cece has presented a study of the role of bacteria in causing illness. 16 While this may seem right, it's not really about the bacteria in the stomach 17 causing illness or bacteria outside of the stomach causing illness. 18 What it has to do is with, um, what's in the stomach, 19 these microbes affecting, um, 20 the vaccines and the effectiveness of that. 21 So that's what the study was about directly there. 22 And because it says present the study, we know that there's not a study 23 presented here. That's talking about the role of bacteria and causing illness, 24 even though it might have a role in, you know, ...