Which answer choice BEST describes how the article presents the research? (A)
It presents the conclusion of the research, introduces the scientists behind it, and explains their
methods.
(B)
It discusses the goals of the research, introduces the concepts behind it, and describes some important
research equipment.
(C)
It critiques the methods, discusses the research goals, and explains a more effective way to conduct it.
It defines the problem, describes a result of early research, and gives the history of the research project.
(D)
2.
What makes diseases from microbes a special danger to astronauts?
(A) More microbes grow in space than on Earth.
(B) There are trillions of microbes on the space station.
(C)
They are far from home and medical help.
(D)
Microgravity causes their bodies to change.
3
Read this sentence from the section "More Work To Do."