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TOEFL Reading · Habilidad complementaria

Selección de palabras por contexto

Estos 16 ejercicios de opción múltiple entrenan categoría gramatical, pista semántica y colocación. Son una práctica complementaria creada por WeLearn; no son la interacción Complete the Words del formato actual.

Banco conservado: completa cada oración

Ítem 1

The new study room policy was designed to _____ noise during exam week.

A. reduceB. replaceC. borrowD. describe

The context is a policy affecting noise. Reduce fits the purpose: make noise lower.

Trampa: Replace and borrow are grammatically possible verbs, but they do not match the meaning of noise control.

Ítem 2

Students must reserve a seat in advance because space is _____.

A. limitedB. generousC. optionalD. portable

The cause marker because explains why reservations are required: there is not enough space for everyone.

Trampa: Generous is the opposite direction; optional describes a rule, not available space.

Ítem 3

The librarian will _____ the old sign with a clearer digital notice.

A. avoidB. delayC. replaceD. invite

Replace matches the structure replace X with Y: old sign with a clearer notice.

Trampa: Delay and avoid do not fit with the phrase with a clearer digital notice.

Ítem 4

The lab assistant asked students to _____ their observations before leaving the room.

A. recordB. preventC. donateD. expand

Observations are information students write down or record during a lab activity.

Trampa: Expand can work with an idea, but not naturally with observations before leaving a lab.

Ítem 5

The deadline was _____ by two days after several students reported technical problems.

A. fragileB. extendedC. ordinaryD. visible

A deadline can be extended, meaning students receive more time.

Trampa: Visible and ordinary are adjectives, but they do not express a change in time.

Ítem 6

The professor used the diagram to _____ how energy moves through the system.

A. purchaseB. illustrateC. interruptD. permit

A diagram is used to illustrate or show a process visually.

Trampa: Permit can be a correct verb in other contexts, but a diagram does not permit movement here.

Ítem 7

Students who lose their ID cards must request a _____ at the front desk.

A. replacementB. comparisonC. predictionD. preference

If an ID card is lost, the needed object is a replacement: a new one that takes its place.

Trampa: Comparison and prediction are nouns, but neither names the object a student needs.

Ítem 8

The initial results were promising, but the researchers needed more data to _____ the pattern.

A. confirmB. decorateC. apologizeD. relocate

More data can confirm a pattern by showing that it is real and repeatable.

Trampa: Relocate means move something to another place, which does not fit with a research pattern.

Ítem 9

The advisor suggested a lighter course load to _____ students from becoming overwhelmed.

A. preventB. deliverC. decorateD. borrow

Prevent fits the pattern prevent someone from doing something and matches the goal of avoiding overload.

Trampa: Deliver and borrow are action verbs, but neither works with students from becoming overwhelmed.

Ítem 10

Because the equipment is sensitive, students must handle each sample with _____.

A. cautionB. distanceC. arrivalD. comparison

Sensitive equipment requires caution, meaning careful behavior to avoid damage.

Trampa: Distance can be related to safety in other contexts, but the phrase handle with caution is the natural collocation.

Ítem 11

The department will _____ students by email if the workshop location changes.

A. notifyB. divideC. purchaseD. estimate

Notify means inform someone officially, which fits students by email.

Trampa: Estimate can be used with numbers or amounts, not with students by email.

Ítem 12

The survey results were _____ because only twelve students answered the questions.

A. limitedB. generousC. portableD. annual

Only twelve responses make the results limited, so the finding should be interpreted carefully.

Trampa: Annual relates to time, and generous relates to amount in a positive sense; neither explains the small sample.

Ítem 13

The library added signs to _____ students toward the temporary entrance.

A. directB. delayC. measureD. compare

Signs can direct people, meaning guide them toward a place.

Trampa: Delay students toward an entrance is not a natural or logical phrase.

Ítem 14

The speaker gave a brief example to _____ the difference between observation and interpretation.

A. clarifyB. reserveC. interruptD. predict

An example can clarify a difference by making it easier to understand.

Trampa: Predict points to the future, but the sentence is about explaining a current distinction.

Ítem 15

Although the new app is convenient, some students are _____ to share personal information through it.

A. reluctantB. visibleC. automaticD. regional

Although creates contrast: the app is convenient, but students hesitate to share personal information.

Trampa: Visible and regional are adjectives, but they do not express hesitation after the contrast clue.

Ítem 16

The experiment was repeated several times to make the results more _____.

A. reliableB. distantC. temporaryD. casual

Repeating an experiment can make results more reliable by showing they are consistent.

Trampa: Temporary is almost the opposite of what repeated trials are meant to establish.

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