DSAT Expression of Ideas 2

Question 1

A student researching climate change takes these notes: (1) Arctic ice has lost ~13% of its area per decade since 1979; (2) Rising ocean temperatures cause more frequent coral bleaching; (3) Global temperatures have risen ~1.1°C above pre-industrial levels.
The student wants a single sentence illustrating multiple indicators.
Which best accomplishes this?

Accepted Answer

From shrinking Arctic ice to bleaching coral reefs and rising global temperatures, multiple environmental indicators confirm that climate change is measurably altering the planet.

Answer

Climate change is a serious global problem that needs immediate attention.

Answer

Scientists have been studying climate change for several decades.

Answer

The Arctic ice has melted, and ocean temperatures have risen.

Question 2

Which of the following most effectively functions as a topic sentence for a paragraph about the economic benefits of urban green spaces?

Accepted Answer

Urban green spaces, including parks and community gardens, generate significant economic value by attracting tourism, reducing energy costs, and boosting property values.

Answer

Trees are an important part of the natural environment.

Answer

Many cities have invested in parks and recreational areas over the years.

Answer

Green spaces require maintenance and funding from city governments.

Question 3

A student wants to add a sentence transitioning from a paragraph about the causes of the Great Depression to a paragraph about its effects. Which sentence best accomplishes this?

Accepted Answer

Understanding these causes helps explain the widespread unemployment, poverty, and social upheaval that followed.

Answer

The Great Depression began in 1929 with the stock market crash.

Answer

Many economists have studied the Great Depression extensively.

Answer

The New Deal was President Roosevelt's response to the economic crisis.

Question 4

A student writing about solar energy explains how photovoltaic cells work. The student wants the next sentence to describe practical benefits for homeowners. Which best accomplishes this?

Accepted Answer

This technology allows homeowners to generate clean electricity, reduce utility bills, and decrease dependence on fossil fuels.

Answer

Solar panels were first developed in the 1950s by Bell Laboratories.

Answer

Some people find solar panels aesthetically unappealing on rooftops.

Answer

The installation of solar panels requires trained professionals.

Question 5

A student notices: 'The program was very successful. It achieved great results.' Which revision best combines these sentences while eliminating redundancy?

Accepted Answer

The program achieved remarkable results.

Answer

The very successful program achieved great results that were successful.

Answer

The program was very successful because it achieved great results.

Answer

Successfully, the program achieved many great results.

Question 6

A student writing about the history of the internet wants a sentence showing how early internet use differed from today's. Which sentence best accomplishes this?

Accepted Answer

While the early internet was primarily used by academics and government researchers to share data, today it connects billions of users for communication, commerce, and entertainment.

Answer

The internet has become an essential part of daily life for billions of people.

Answer

Tim Berners-Lee invented the World Wide Web in 1989.

Answer

Many technological advances have occurred since the internet was created.

Question 7

Which of the following best describes the purpose of including a counterargument in a persuasive essay?

Accepted Answer

To acknowledge opposing views and strengthen the essay's credibility by refuting them

Answer

To confuse the reader and make the topic seem more complex

Answer

To demonstrate that the writer has not fully researched the topic

Answer

To provide additional support for the opposing side's argument