The Apollo Moon landings (1969–1972) brought radiation detectors and equipment too heavy for liftoff to the Moon and produced large amounts of data. Researcher Philip Metzger, who is investigating the long-term effects of being on the Moon, continues to use Apollo’s data, demonstrating that the missions’ value to science is ____.

Which choice completes the text with the most logical and precise word or phrase?

The following text is from Amy Tan’s 1989 novel The Joy Luck Club. The narrator describes practicing the piano when she was a child.

For the talent show, I was to play a piece called “Pleading Child” from Schumann’s Scenes from Childhood. It was a simple, moody piece that sounded more difficult than it was. I was supposed to memorize the whole thing, playing the repeat parts twice to make the piece sound longer. But I dawdled over it, playing a few bars and then cheating, looking up to see what notes followed. I never really listened to what I was playing. I daydreamed about being somewhere else, about being someone else.

Based on the text, when the narrator describes herself as “cheating,” what does she most likely mean?

The Historical Dictionary of Science Fiction is a crowdsourced project started in 2001 by lexicographer Jesse Sheidlower to record terms that originated in science fiction. Volunteers share digitized excerpts from personal collections of sci-fi magazines not typically preserved in libraries— ____ that allow the earliest uses of phrases such as “warp speed” (1952) to be identified and added to the dictionary.

Which choice completes the text with the most logical and precise word or phrase?

Today’s theater stages are frequently filled with props and scenery to immerse the audience in a play’s world. Because theatergoers have grown used to carefully designed sets, plays with few visual elements can surprise audiences. But simple, unadorned stages were likely ____ audiences in the very distant past: highly decorated and detailed sets were not common until the 1600s.

Which choice completes the text with the most logical and precise word or phrase?

Having trouble getting rid of weeds? One surprising solution may be to start eating them. Curly dock and broadleaf plantain are two edible plants that are usually considered weeds in North America. These and other plants like them are sometimes more flavorful than are some plants that people grow as food.

Which choice best states the main purpose of the text?