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Expression of IdeasVery hardWarning readers about a common mistake

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - Hummingbird feeders should hold one part sugar to four parts water. - Red dye in the water is unnecessary and may harm the birds. - Most feeders are already red, which is enough to attract hummingbirds. - Feeders must be cleaned every three days in hot weather to prevent mould. The student wants to warn readers against a common mistake.

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

  1. A. Adding red dye to feeder water is unnecessary and may harm the birds; the red feeder itself is enough to attract them.Correct
  2. B. Feeders should hold one part sugar to four parts water.
  3. C. Most feeders are red.
  4. D. Hummingbirds are attracted to red.

Answer: A. Adding red dye to feeder water is unnecessary and may harm the birds; the red feeder itself is enough to attract them.

The mistake named, the harm stated, and why it is needless.

Why the other answers are wrong

B. Feeders should hold one part sugar to four parts water.
A correct instruction, not a warning against a mistake.
C. Most feeders are red.
A fact without a warning.
D. Hummingbirds are attracted to red.
A fact without a warning.

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