16Hit1600
Expression of IdeasVery hardChoosing a logical transition

Expression of Ideas practice question

Divers returning from depth must ascend slowly, pausing at fixed intervals on the way up. ____ nitrogen dissolved in the blood can come out of solution and form bubbles.

Which choice completes the text with the most logical transition?

  1. A. Otherwise,Correct
  2. B. Therefore,
  3. C. Similarly,
  4. D. For instance,

Answer: A. Otherwise,

The second sentence describes what happens if the rule in the first is NOT followed. 'Otherwise' means 'if not', which is exactly that relation.

Why the other answers are wrong

B. Therefore,
'Therefore' would make the bubbles a consequence of ascending slowly, when slow ascent is what PREVENTS them.
C. Similarly,
'Similarly' signals a parallel case; the second sentence is a warning, not a comparison.
D. For instance,
'For instance' would make bubbles an example of pausing on the way up.

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