16Hit1600
Expression of IdeasVery hardIntroducing a finding with its wider importance to a general reader

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - In 2024 researchers found a bacterium in soil from a forest floor. - The bacterium produces a compound that kills several drug-resistant infections in laboratory tests. - The compound has not yet been tested in people. - Drug-resistant infections cause over a million deaths a year worldwide. The student wants to introduce the discovery to a general audience, stressing why it matters and noting that it is early.

Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. A soil bacterium found in 2024 makes a compound that kills several drug-resistant infections in the laboratory, a finding that matters because such infections cause over a million deaths a year, though the compound has not yet been tested in people.Correct
  2. B. Researchers found a bacterium in forest soil in 2024.
  3. C. Drug-resistant infections cause over a million deaths a year.
  4. D. The compound has not yet been tested in people.

Answer: A. A soil bacterium found in 2024 makes a compound that kills several drug-resistant infections in the laboratory, a finding that matters because such infections cause over a million deaths a year, though the compound has not yet been tested in people.

Discovery, why it matters, how early it is.

Why the other answers are wrong

B. Researchers found a bacterium in forest soil in 2024.
The find without its importance.
C. Drug-resistant infections cause over a million deaths a year.
The importance without the find.
D. The compound has not yet been tested in people.
The caveat alone.

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