SAT #18

Gathering accurate data on water flow in the United States is challenging because of the country’s millions of miles of _____ the volume and speed of water at any given location can vary drastically over time. Which choice completes the text so that it conforms to the conventions of Standard English?

• waterways and the fact that,

• waterways, and the fact that,

• waterways, and, the fact that

• waterways and the fact that

The sun never sets during the Arctic summer in the Far North. In response, reindeer in this region must change their sleep habits. Instead of resting when it gets dark, they rest when they need _____ their food.

• digest

• will digest

• to digest

• digesting

British scientists James Watson and Francis Crick won the Nobel Prize in part for their 1953 paper announcing the double helix structure of DNA, but it is misleading to say that Watson and Crick discovered the double helix. _____ findings were based on a famous X-ray image of DNA fibers, “Photo 51,” developed by X-ray crystallographer Rosalind Franklin and her graduate student Raymond Gosling. Which choice completes the text so that it conforms to the conventions of Standard English?

• A. They’re

• B. It’s

• C. Their

• D. Its

One of the few African American global explorers during the turn of the 20th century, ______ Which choice completes the text so that it conforms to the conventions of Standard English?

• Matthew Henson made several treks across Greenland between 1891 and 1909.

• 1891 and 1909 were the years between which Matthew Henson made several treks across Greenland.

• Greenland was where Matthew Henson made several treks between 1891 and 1909.

• several treks across Greenland were made by Matthew Henson between 1891 and 1909.

In 2008, two years after the death of science fiction writer Octavia Butler, the Huntington Library in _____ received a collection of more than 8,000 items, including Butler's private notes, research materials, manuscripts, photos, and drawings. Today, the Octavia E. Butler Collection is one of the most researched archives at the library. Which choice completes the text so that it conforms to the conventions of Standard English?

• A. California,

• B. California:

• C. California—

• D. California