- Although she admitted that her airport expansion plan had recently collapsed, the governer (1) ... the significance of the failure, pointing out that competing economic development proposals are now more (2) ....
(1) (A) minimized 
(B) touted (C) acknowledged
(2) (D) tenuous (B) complicated (C) important
In one theory, as people learn things throughout the day, connections between neurons get strengthened, but during sleep then all synapses are weakened, tenuous connections are ... and only the strongest bonds could remain.
(1) reinforced
(2) reproduced
(3) replaced
(4) stimulated
(5) severed
The concept of zero—less than one, nothing, nada—is deceptively complex. The first placeholder zero dates back to around 300 BCE, and the notion didn’t make its way to Western Europe until the 12th century. It takes children until preschool to wrap their brains around the concept. But scientists in Australia recently discovered a new animal capable of understanding zero: the honey bee. A 2018 study finds that insects can be taught the concept of nothing.
Any population increase beyond a certain level (1) ... greater (2) ... vegetable foods; thus, the ability of a society to choose meat over cereals always arises, from (3) ... the numbers of people.
(1) (A) necessitates (B) caters to (C) eludes
(2) (D) gratification of (E) recourse to (F) cultivation
(3) (G) replenishing (H) concealing (I) limiting
When Ross makes a paleontology joke on Friends, some viewers might find it funnier when the quip—whether good or bad—is accompanied by audible laughter. Sitcoms traditionally achieve this either by recording a live audience or utilizing a pre-recorded laugh track. And they're definitely on to something.
