Expression of IdeasEasy–MediumEmphasising a contrast in scale
Expression of Ideas practice question
While researching a topic, a student has taken the following notes:
- The Sahara covers about 9 million square kilometres.
- The Gobi covers about 1.3 million square kilometres.
- Both deserts are expanding.
- The Gobi is a cold desert; the Sahara is hot.
The student wants to emphasise how much larger the Sahara is than the Gobi. Which choice most effectively uses relevant information from the notes to accomplish this goal?
- A. At about 9 million square kilometres, the Sahara is nearly seven times the size of the Gobi's 1.3 million.Correct
- B. Both deserts are expanding.
- C. The Gobi is a cold desert.
- D. The Sahara covers about 9 million square kilometres.
Answer: A. At about 9 million square kilometres, the Sahara is nearly seven times the size of the Gobi's 1.3 million.
Both areas and the factor between them.
Why the other answers are wrong
- B. Both deserts are expanding.
- About change, not size.
- C. The Gobi is a cold desert.
- About climate.
- D. The Sahara covers about 9 million square kilometres.
- One figure can't compare.
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