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The object, now known as the Antikythera Mechanism, is considered the world’s first analog computer. Scientists believe it was constructed between 150 and 100 B.C.E., likely by Greek astronomers. The device was extremely complex for its time; it contained over 30 bronze gears that worked together in an intricate system. By turning a handle on the side, the user could make the gears rotate. In doing so, the mechanism could predict astronomical positions, lunar phases, and even eclipses decades in advance. toefl junior reading comprehension practice test pdf 2021
(A) Simple (B) Complex (C) Loud (D) Quiet Master the Exam: Your Ultimate Guide to the
The word “anthropogenic” in line 2 most nearly means: A) For a holiday B) For staff training
Because ETS holds strict copyrights, free "official" full-length PDFs are rare. However, here are the for 2021-level practice:
To succeed, you should be familiar with the following question categories often found in 2021 practice materials: e-Practice Test | Goaltesting