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题库 / Prep2007E1-SC-154
Some patients who do not respond to therapies for depression may simply have received inadequate treatment, having, for example, been prescribed a drug at a dosage too low to be effective or having been taken off a drug too soon.
having, for example, been prescribed a drug at a dosage too low to be effective or having been
having, for example, a drug prescription that was ineffective because the dosage was too low, or being
as, for example, having too low of a dosage of a prescribed drug for it to be effective, or being
when they have, for example, been prescribed too low a drug dosage to be effective, or were
for example, when they have a drug prescription with a dosage too low to be effective, or been
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The second "there are..." isn't strictly necessary. Without it, you'd have a sentence with the same structure as "In most countries, there are as many men as women."
Its primary value lies in making the sentence easier to read.
This is not an issue of right and wrong"”it's a style issue"”and so it will never be dispositive in a real problem. Still, you should know it's a thing.
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