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Tuesday, September 29, 2020

Reading and writing fill in the blanks practice exercise. Below is text with blanks. Choose the correct word for each blank to complete the text.

A lot of (1) …………………… will tell you that fish have kind of a sixth sense. They avoid (2) …………….., effortlessly slalom between vortices or whirlpools, and hide from predators—even when they can’t see. But how do they do it? Researchers from the (3) ………………… of Florida and New York University think they’ve found the answer. Nearly all fish, they say, have a similar network of sensors along their bodies that are exquisitely sensitive to changes in water (4) ……………… . The report is in the journal (5) ……………… Review Letters. For study, the (6)……………. made a plastic rainbow trout which has an accurate configuration of flow sensors on its body. Known as the “lateral line,” these sensors act like a hydrodynamic antenna, picking up the signals about the flow of water around them. They put the fake fish in water, and simulated real-life situations—for example, a larger size fish swimming nearby that might want to turn the trout into sushi. The researchers also noted that the natural setup of the fish’s sensors includes a higher density of them on the parts of the body subject to the greatest pressure changes. So the sensory (7) …………………….. of its environment is resolved—showing that the notion that fish have a sixth sense isn’t fishy at all.

(1) fishermen, considering, littering, imprisoning
(2) geographers, creatures, features, obstacles
(3) Hummocky, Historiography, University, volubly
(4) pressure, better, texture, tremor
(5) Indelible, Physical, Nonelectrical, Hemispherical
(6) streetwalkers, impedances, researchers, alveolar
(7) awareness, hindrance, pressure, ferrets

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