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

Wrong options:

• strongly: 'Strongly' is an adverb that describes the intensity of an action, but it does not fit as it does not describe consequences.
• thoughtful: 'Thoughtful' is an adjective that describes someone who is considerate, which does not relate to the nature of consequences.
• positive: 'Positive' is an adjective that describes something beneficial, which contradicts the negative context of consequences.
• made: 'Made' is the past tense of 'make,' which does not fit grammatically or contextually in this sentence.
• set: 'Set' is a verb that does not describe the nature of consequences and is not appropriate here.
• showed: 'Showed' is a verb that indicates an action, which does not fit as it does not describe consequences.
• relatively: 'Relatively' is an adverb that compares something, but it does not describe the consequences themselves.

Correct answer: positive

Explanation: The term 'positive' fits grammatically as it describes the type of view one should maintain. It aligns with the context of promoting a beneficial perspective on life.

Meaning: 'Positive' refers to an optimistic or constructive outlook.

Wrong options:

• strongly: 'Strongly' is an adverb that does not describe a type of view and is not appropriate here.
• serious: 'Serious' is an adjective that implies gravity, which does not fit the context of a view on life.
• thoughtful: 'Thoughtful' describes someone who is considerate, but it does not convey the intended optimistic perspective.
• made: 'Made' is a verb that does not relate to the type of view and is grammatically incorrect in this context.
• set: 'Set' is a verb that does not describe a view and is not suitable here.
• showed: 'Showed' is a verb that indicates an action, which does not fit as it does not describe a view.
• relatively: 'Relatively' is an adverb that compares, which does not apply to describing a view.

Correct answer: set

Explanation: The word 'set' fits grammatically as it is a verb that describes the action individuals took regarding their target. It aligns with the context of establishing a goal.

Meaning: 'Set' means to establish or determine something, in this case, a target.

Wrong options:

• strongly: 'Strongly' is an adverb that does not fit as it does not describe an action related to setting a target.
• serious: 'Serious' is an adjective that does not relate to the action of setting a target.
• thoughtful: 'Thoughtful' is an adjective that describes a person, not an action, and does not fit here.
• made: 'Made' is the past tense of 'make,' which does not convey the action of establishing a target.
• positive: 'Positive' is an adjective that does not describe an action and is not suitable in this context.
• showed: 'Showed' is a verb that indicates an action but does not relate to the act of setting a target.
• relatively: 'Relatively' is an adverb that does not describe an action and is not appropriate here.

Correct answer: relatively

Explanation: The term 'relatively' fits grammatically as it is an adverb that modifies the adjective 'few,' indicating the degree of signs of stress. It aligns with the context of comparing the number of signs shown by individuals.

Meaning: 'Relatively' means in relation or comparison to something else, suggesting that the signs of stress were few compared to others.

Wrong options:

• strongly: 'Strongly' is an adverb that does not fit as it does not describe the degree of signs of stress.
• serious: 'Serious' is an adjective that does not relate to the degree of signs and is not appropriate here.
• thoughtful: 'Thoughtful' is an adjective that describes a person, not the degree of signs, and does not fit.
• made: 'Made' is a verb that does not describe the degree of signs and is grammatically incorrect in this context.
• set: 'Set' is a verb that does not relate to the degree of signs and is not suitable here.
• showed: 'Showed' is a verb that indicates an action but does not describe the degree of signs of stress.
• positive: 'Positive' is an adjective that does not describe the degree of signs and is not appropriate here.

Correct answer: showed

Explanation: The word 'showed' fits grammatically as it is a verb that describes the action of individuals regarding their tendency. It aligns with the context of indicating a behavior or characteristic.

Meaning: 'Showed' means to demonstrate or reveal something, in this case, a tendency to suffer from fewer infections.

Wrong options:

• strongly: 'Strongly' is an adverb that does not fit as it does not describe an action related to demonstrating a tendency.
• serious: 'Serious' is an adjective that does not relate to the action of showing and is not appropriate here.
• thoughtful: 'Thoughtful' is an adjective that describes a person, not an action, and does not fit here.
• made: 'Made' is the past tense of 'make,' which does not convey the action of demonstrating a tendency.
• set: 'Set' is a verb that does not describe the action of showing a tendency and is not suitable here.
• positive: 'Positive' is an adjective that does not describe an action and is not appropriate in this context.
• relatively: 'Relatively' is an adverb that does not describe an action and is not suitable here.