The professor will demonstrate the experiment.
What is the best synonym of the bolded word?

• hide

• show

• discuss

• write

Answer explanation

The bolded word 'demonstrate' means to show or present something clearly. Among the answer choices, 'show' is the best synonym, as it directly conveys the act of making something visible or understandable.

These changes will impact the entire community.
What is the best synonym of the bolded word?

• affect

• ignore

• bypass

• avoid

Answer explanation

The bolded word 'impact' means to have a strong effect on something. The best synonym from the choices is 'affect', which also means to influence or make a change. The other options do not convey this meaning.

We must sustain this level of performance.
What is the best synonym of the bolded word?

• decrease

• maintain

• reduce

• lower

Answer explanation

The bolded word 'sustain' means to keep something at a certain level. The best synonym is 'maintain', which also conveys the idea of preserving or continuing the current level of performance.

We need to minimize potential risks.
What is the best synonym of the bolded word?

• increase

• reduce

• maximize

• multiply

Answer explanation

The bolded word 'minimize' means to make something smaller or less significant. The best synonym from the choices is 'reduce', which also conveys the idea of lowering or decreasing potential risks.

This discovery will expand our understanding.
What is the best synonym of the bolded word?

• limit

• restrict

• reduce

• broaden

Answer explanation

The bolded word 'expand' means to increase or make larger. The best synonym from the choices is 'broaden', which also conveys the idea of increasing understanding. The other options imply a decrease, which is opposite in meaning.

Can you justify your decision?
What is the best synonym of the bolded word?

• question

• validate

• doubt

• reject

Answer explanation

The bolded word 'justify' means to provide reasons or support for a decision. The best synonym is 'validate', which also means to confirm or support the correctness of something, aligning closely with the context of justification.

We must distinguish these two approaches.
What is the best synonym of the bolded word?

• combine

• merge

• differentiate

• unite

Answer explanation

The bolded word 'distinguish' means to recognize or point out differences. The best synonym is 'differentiate', which directly conveys this meaning, while 'combine', 'merge', and 'unite' imply bringing things together, not separating them.

Scientists need to _______ their hypothesis through careful experimentation.

What is the best word to complete the sentence?

• validate

• maintain

• minimize

• suggest

Answer explanation

The best word to complete the sentence is 'validate' because scientists aim to confirm or support their hypothesis through careful experimentation, which aligns with the meaning of 'validate'. The other options do not fit this context.

The researcher needed to _______ the data before drawing any conclusions.

What is the best word to complete the sentence?

• illustrate

• analyze

• sustain

• imply

Answer explanation

The best word to complete the sentence is 'analyze' because it means to examine the data in detail, which is necessary before drawing conclusions. The other options do not fit the context of processing data.

Climate change has a significant _______ on global weather patterns.

What is the best word to complete the sentence?

• strategy

• theory

• impact

• source

Answer explanation

The best word to complete the sentence is 'impact' because climate change significantly affects global weather patterns. The other options do not convey this direct influence.