Understanding Prefixes and Vocabulary

Front

rebuild

Back

To build again

Answer explanation

The prefix 're-' means 'again'. Therefore, 'rebuild' means to build again, making 'To build again' the correct choice. The other options do not align with the meaning of the prefix.

Front

Which sentence uses the word "transmit" correctly?

Back

The radio can transmit signals over long distances.

Answer explanation

The correct sentence is "The radio can transmit signals over long distances." because "transmit" is used as a verb meaning to send or convey. The other options misuse the word or use incorrect forms.

Front

Condense (in the sentence: "The writer had to condense the article to fit the word limit")

Back

Shorten

Answer explanation

In the sentence, 'condense' implies making something shorter to meet a word limit. The context suggests reducing the length of the article, making 'shorten' the correct choice, while 'expand', 'complicate', and 'illustrate' do not fit.

Front

nonexistent

Back

Not existing

Answer explanation

The prefix 'non-' means 'not' or 'without'. Therefore, 'nonexistent' means 'not existing', making 'Not existing' the correct choice. The other options imply some form of existence, which contradicts the meaning of 'nonexistent'.

Front

Which word means "to move forward" based on the prefix "pro-"? Options: Proclaim, Propel, Prohibit, Procrastinate

Back

Propel

Answer explanation

The prefix 'pro-' means 'forward' or 'in favor of'. 'Propel' means to drive or push something forward, making it the correct choice. 'Proclaim' means to announce, 'prohibit' means to forbid, and 'procrastinate' means to delay.

Front

Unpredictable: "The weather in the mountains is so unpredictable that you should always be prepared for rain."

Back

Uncertain

Answer explanation

The context indicates that the weather is "unpredictable," meaning it cannot be forecasted reliably. This suggests uncertainty about what to expect, making "uncertain" the correct choice, while "predictable," "clear," and "consistent" imply the opposite.

Front

What does the prefix "de-" in the word "deactivate" suggest about its meaning?

Back

To make inactive

Answer explanation

The prefix 'de-' indicates removal or reversal. In 'deactivate', it suggests making something inactive, which aligns with the correct choice. Thus, 'to make inactive' accurately reflects the meaning of the word.

Front

Which sentence uses the word "reconsider" correctly? Options: She reconsidered the book on the shelf., He decided to reconsider his decision after hearing new information., The reconsider was very tasty., They reconsidered the car to the garage.

Back

He decided to reconsider his decision after hearing new information.

Answer explanation

The correct sentence is 'He decided to reconsider his decision after hearing new information.' Here, 'reconsider' is used properly to indicate the act of thinking again about a previous decision.

Front

"Being proactive in your studies can help you achieve better grades."

Back

Taking initiative

Answer explanation

In the context of the sentence, 'proactive' means taking initiative in your studies, which leads to better grades. This contrasts with being reactive or passive, which do not imply taking action.

Front

uncover

Back

To reveal

Answer explanation

The prefix 'un-' means 'not' or 'reverse of'. Therefore, 'uncover' means to remove a cover or to reveal something that was hidden, making 'to reveal' the correct choice.