A.I. Explanation:

Correct answer: well

Explanation: The word 'well' functions as an adverb that modifies the verb 'documented,' indicating the extent to which the pressure on workers is documented. This fits grammatically and contextually, as it emphasizes the thoroughness of the documentation.

Meaning: 'Well' means in a good or satisfactory manner, indicating that the documentation is comprehensive.

Wrong options:

• serious: 'Serious' is an adjective that does not fit grammatically as it cannot modify the verb 'documented.'
• thoughtful: 'Thoughtful' is an adjective that describes a person's character or behavior, which does not apply here.
• positive: 'Positive' is an adjective that cannot modify 'documented' and does not fit the context.
• made: 'Made' is a verb that does not fit the grammatical structure of the sentence.
• partly: 'Partly' is an adverb that suggests incompleteness, which does not align with the context of thorough documentation.
• relatively: 'Relatively' is an adverb that compares but does not appropriately modify 'documented' in this context.
• showed: 'Showed' is a verb that does not fit grammatically as it cannot modify 'documented.'

Correct answer: serious

Explanation: The term 'serious' is an adjective that describes the severity of the consequences resulting from the pressure on workers. It fits both grammatically and contextually, as it highlights the importance of the consequences.

Meaning: 'Serious' means significant or severe, indicating that the consequences are not trivial.

Wrong options:

• well: 'Well' is an adverb that does not fit as it cannot describe consequences, which require an adjective.
• thoughtful: 'Thoughtful' is an adjective that does not convey the severity of consequences and is not appropriate here.
• positive: 'Positive' is an adjective that does not relate to the consequences and does not fit the context.
• made: 'Made' is a verb that does not fit grammatically as it cannot describe consequences.
• partly: 'Partly' is an adverb that suggests incompleteness, which does not apply to the severity of consequences.
• relatively: 'Relatively' is an adverb that compares but does not adequately describe the consequences in this context.
• showed: 'Showed' is a verb that does not fit grammatically as it cannot describe consequences.

Correct answer: positive

Explanation: The word 'positive' is an adjective that describes the type of view one should maintain. It fits grammatically and contextually, as it conveys an optimistic perspective on life.

Meaning: 'Positive' means optimistic or constructive, suggesting a beneficial outlook on life.

Wrong options:

• well: 'Well' is an adverb that cannot describe a view and does not fit grammatically.
• serious: 'Serious' is an adjective that does not convey the appropriate sentiment for a view and is not suitable here.
• thoughtful: 'Thoughtful' is an adjective that describes consideration but does not fit the context of a view.
• made: 'Made' is a verb that does not fit grammatically as it cannot describe a view.
• partly: 'Partly' is an adverb that suggests incompleteness, which does not apply to the context of a view.
• relatively: 'Relatively' is an adverb that does not describe a view and is not appropriate here.
• showed: 'Showed' is a verb that does not fit grammatically as it cannot describe a view.

Correct answer: relatively

Explanation: The term 'relatively' is an adverb that modifies 'few,' indicating the degree to which the signs of stress are present. It fits grammatically and contextually, as it suggests a comparison to what might be expected.

Meaning: 'Relatively' means in relation to something else, suggesting that the signs of stress are fewer compared to a larger context.

Wrong options:

• well: 'Well' is an adverb that does not fit as it cannot modify 'few' in this context.
• serious: 'Serious' is an adjective that does not fit grammatically as it cannot modify 'few.'
• thoughtful: 'Thoughtful' is an adjective that does not relate to the quantity of signs of stress and is not appropriate here.
• positive: 'Positive' is an adjective that does not fit grammatically as it cannot modify 'few.'
• made: 'Made' is a verb that does not fit grammatically as it cannot describe the quantity of signs of stress.
• showed: 'Showed' is a verb that does not fit grammatically as it cannot modify 'few.'

Correct answer: showed

Explanation: The word 'showed' is a verb that indicates the action of demonstrating a tendency. It fits grammatically and contextually, as it describes what the individuals did regarding their tendency to suffer from fewer infections.

Meaning: 'Showed' means to demonstrate or reveal, indicating that the individuals displayed a certain tendency.

Wrong options:

• well: 'Well' is an adverb that does not fit grammatically as it cannot serve as a verb in this context.
• serious: 'Serious' is an adjective that does not fit grammatically as it cannot describe an action.
• thoughtful: 'Thoughtful' is an adjective that does not fit as it cannot describe an action or tendency.
• positive: 'Positive' is an adjective that does not fit grammatically as it cannot serve as a verb.
• made: 'Made' is a verb that does not fit the context of demonstrating a tendency in this sentence.
• partly: 'Partly' is an adverb that does not fit grammatically as it cannot serve as a verb.
• relatively: 'Relatively' is an adverb that does not fit grammatically as it cannot serve as a verb.