Future with 'be about to' and the present progressive

 

- We use "be about to" to say that something will happen almost immediately.

Reading-Environmental DNA Evidence Suggests the Loch Ness Monster Could Be a Giant Eel

Since the first supposed monster sighting at Loch Ness was recorded in the 6th century, people have been searching for logical explanations. Sturgeons, trees, and even elephant trunks have all been blamed,

GRE-one-answer-sample2

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 

Reading - Honey Bees Can Understand the Concept of Zero

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.

GRE-question-three-answer-sample1

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