Expression of IdeasEasy–MediumEmphasising a striking quantity
Expression of Ideas practice question
While researching a topic, a student has taken the following notes:
- A hummingbird's wings beat about 50 times a second.
- In one minute that is about 3,000 beats.
- The bird can hover in place while feeding.
- Hummingbirds are found only in the Americas.
The student wants to emphasise how fast a hummingbird's wings beat. Which choice most effectively uses relevant information from the notes to accomplish this goal?
- A. A hummingbird's wings beat about 50 times a second — around 3,000 beats in a single minute.Correct
- B. Hummingbirds can hover while feeding.
- C. Hummingbirds live only in the Americas.
- D. Hummingbirds beat their wings.
Answer: A. A hummingbird's wings beat about 50 times a second — around 3,000 beats in a single minute.
The per-second figure and the per-minute total.
Why the other answers are wrong
- B. Hummingbirds can hover while feeding.
- What the wings allow, not their speed.
- C. Hummingbirds live only in the Americas.
- Range, not wingbeats.
- D. Hummingbirds beat their wings.
- No figure.
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