SAT Reading & Writing Mock Tests

Choose the sentence that uses correct punctuation. a) The conference, which was scheduled for June, has been postponed until October; many attendees are disappointed. b) The conference which was scheduled for June has been postponed until October, many attendees are disappointed. c) The conference, which was scheduled for June has been postponed until October; many attendees are disappointed. d) The conference which was scheduled for June, has been postponed until October many attendees are disappointed.

In this passage from a scientific article about genetics: "CRISPR-Cas9, a gene-editing technology derived from a bacterial immune system, has revolutionized molecular biology. Scientists can now precisely cut and modify DNA sequences with unprecedented accuracy. While the technology holds promise for treating genetic diseases, it also raises ethical concerns, particularly regarding the possibility of editing human embryos. The scientific community has called for a moratorium on clinical use of germline editing until safety and ethical guidelines are established." The passage primarily suggests that the scientific community's position on germline editing is: a) fully supportive of immediate clinical use b) completely opposed to all forms of gene editing c) cautious and calling for more guidelines before proceeding d) indifferent to the ethical implications

In this passage from a historical account: "When Marie Curie announced her discovery of radium in 1898, the scientific community responded with a mixture of skepticism and fascination. It was not until she published her comprehensive analysis of the element's properties in 1900 that even her most vocal critics began to accept the reality of her findings." What can most reasonably be inferred about the scientific community's response to Curie's work?

The following sentence is part of a paragraph about space exploration: (1) The James Webb Space Telescope has provided unprecedented views of distant galaxies. (2) ______ (3) Scientists have used its data to study galaxy formation in the early universe, revealing structures that challenge existing theories. Which choice best fills blank (2) to create a logical connection between sentences 1 and 3?

The data scientist noted that the correlation between social media usage and sleep deprivation ______ r = 0.73, p < 0.01, indicating a strong positive relationship that was statistically significant. Which choice completes the text so that the underlined portion follows the conventions of Standard English?

In this passage from a business magazine article: "The rise of remote work has fundamentally altered urban economics. Downtown office districts, once bustling during weekday mornings, have seen foot traffic decline by up to 40 percent since 2020. Commercial real estate values have plummeted, while suburban and rural areas have experienced a population boom. Cities are responding by repurposing office buildings into residential units, though the high cost of converting commercial spaces into habitable ones remains a significant barrier." The passage primarily discusses: a) the benefits of remote work for individual employees b) the economic impact of remote work on urban areas c) the history of commercial real estate development d) the advantages of suburban living over urban living

The archaeologist ______ among the ruins of the ancient city, carefully brushing away layers of dirt to reveal a collection of pottery shards.

By the time the first humans set foot on the Moon in 1969, scientists ______ the properties of the lunar surface through decades of observation and robotic missions. Which choice completes the sentence so that it conforms to the conventions of Standard English?