QUESTIONS 36–42 ARE BASED ON THE FOLLOWING PASSAGE.D.A COMPANY CONTROL...

32. The writer’s main purpose in this passage is tocedure that reveals details of tissues and organs thatare difficult to see by conventional magnetic reso-a.recount the founding of the Hershey Choco-late Company.nance imaging (MRI). By using “hyperpolarized”b.describe the process of manufacturinggases, scientists have taken the first clear MRI pic-chocolate.tures of human lungs and airways. Researchers hopec. compare the popularity of chocolate to otherthe new technique will aid the diagnosis and treat-ment of lung disorders, and perhaps lead tocandies.d.explain how apprenticeships work.improved visualization of blood flow.(2) The air spaces of the lungs have been noto-