Question : Fill in the blank with an appropriate option.
Lecanemab was recently reported to have a small but________ effect in reducing cognitive decline.
Option 1: optional
Option 2: marginal
Option 3: microscopic
Option 4: significant
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Correct Answer: significant
Solution : The correct choice is the fourth option .
Significant means sufficiently great or important to be worthy of attention and helps convey the intended meaning of the sentence that Lecanemab has a small yet noteworthy effect in reducing cognitive decline.
The meanings of the other options are as follows:
- Optional means available to be chosen but not mandatory.
- Marginal means minor and not important.
- Microscopic means so small as to be visible only by a microscope.
Therefore, the complete sentence is: "Lecanemab was recently reported to have a small but significant effect in reducing cognitive decline."
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