Which of the following would weaken the author's argument that the Antikythera mechanism was a thousand years ahead of its time？
A. Items discovered on the Antikythera shipwreck were found to date back to 500 BCE.
B. Similarly complex astrolabes were recently found at a series of archeological sites dating between 100 and 500 CE.
Complex machines involving pulleys and ropes were found at archeological sites on the Greek island of Antikythera.
D. At the time of the Antikythera shipwreck, the island of Rhodes was famous for its collection of scientific devices.
E. Ancient Romans were famous for their acquisitions of Greek art and architecture.
查看答案
The main purpose of the passage is to
A. explain why it is important to invest in space research
B. explain how magnetic substorms interfere with satellite communications
C. define magnetic substorms and identify a recent scientific experiment to study them
D. compare two alternative approaches to the study of magnetic substorms
E. demonstrate that unmanned probes are the best way to conduct research in space
The passage supplies information for answering which of the following questions？
A. Where was the mechanism made？
B. What was the primary purpose of the Antikythera mechanism？
C. How did ancient scientists know how to use the Antikythera mechanism？
D. Precisely how many gears did the mechanism have？
E. What is the purpose of computer tomography？
公定利率只对参加该公会或协会的金融机构具有一定的约束作用，因此它对整个市场利率影响不大。()
A. 正确
B. 错误
DENIGRATE:
A. emancipate
B. examine
C. desecrate
D. mollify
E. extol
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