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Establish/Maintain a Formal Explanatory Style Practice Test
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Q1
A student must revise a mixed-style explanation about how vaccines help the immune system. The draft reads:
"Vaccines stimulate the immune system by introducing an antigen that does not cause the disease. Immune cells respond by producing antibodies and forming memory cells. Then, if the real germ shows up later, the body is ready to fight it off, which is pretty awesome."
Which revision best removes the informal element while preserving the explanatory purpose?
A student must revise a mixed-style explanation about how vaccines help the immune system. The draft reads:
"Vaccines stimulate the immune system by introducing an antigen that does not cause the disease. Immune cells respond by producing antibodies and forming memory cells. Then, if the real germ shows up later, the body is ready to fight it off, which is pretty awesome."
Which revision best removes the informal element while preserving the explanatory purpose?