Expression of IdeasEasy–MediumEmphasising a quantity by comparison
Expression of Ideas practice question
While researching a topic, a student has taken the following notes:
- The heart beats about 100,000 times a day.
- Over a lifetime of 80 years that is about 3 billion beats.
- Each beat moves about 70 millilitres of blood.
- The heart is about the size of a fist.
The student wants to emphasise how many times the heart beats over a lifetime. Which choice most effectively uses relevant information from the notes to accomplish this goal?
- A. Beating about 100,000 times a day, the heart manages roughly 3 billion beats over an 80-year life.Correct
- B. The heart is about the size of a fist.
- C. Each beat moves about 70 millilitres of blood.
- D. The heart beats every day.
Answer: A. Beating about 100,000 times a day, the heart manages roughly 3 billion beats over an 80-year life.
The daily figure and the lifetime total.
Why the other answers are wrong
- B. The heart is about the size of a fist.
- Size, not count.
- C. Each beat moves about 70 millilitres of blood.
- Volume per beat, not count.
- D. The heart beats every day.
- No quantity.
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