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The scientists (1) up video cameras that monitored the (2)
movements, day and night. A special software also kept track of any (3)
of the normal behaviour pattern of the ants. What they (4) was fascinating. The ants (5) pretty much the same routine every day busy with their (6) and then resting inside their mounds (муравейники) at night However, before an earthquake they seemed to (7) that routine by staying the entire night outside their mounds. Only after the earthquake was (8), they relaxed and went back to their regular way of life. What was even (9) is that they did not change their behaviour for tiny earthquakes below 2.0.What the scientists are not sure (10) is how the ants are able to anticipate the shakes. Now, if only these amazing insects could talk!
1. a) kept
b) set
c) took
d) made
2. a) insect
b) insect's
c) insects'
d) insects
3. a) innovation
b) difference
c) turn
d) change
4. a) invented
b) made up
c) discovered d) thought
5. a) took
b) preferred
c) followed
d) kept
6. a) duty
b) chores
c) jobs
d) task
7. a) interrupt
b) burst
c) disobey
d) break
8.a) finished
b) over
c) above
d) left
9. a) interesting
b) more interesting
c) most interesting
d) too interesting
10. a) of
b) in
c) by
d) with