单项选择题

According to a research project undertaken by the Open University, competition between nearby schools________.

A．raises the academic standard
B．produces good exam results
C．lowers the academic standard
D．offers students fewer choices to college
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单项选择题
According to the passage, Greenwich Mean Time ______.
A．provides a common time for all parts of the world
B．is calculated from the sun
C．is the 12th of the 24 time zones
D．was named after an international conference
单项选择题
With which of the following statements would the author be most likely to agree
A．Time measurements have changed in response to need and technological development.
B．In ancient Babylonia, 12 was the basic division of time.
C．The first calendar was developed because the sages of tribes were intelligent.
D．Universal Time is so named because it is applicable throughout the universe.
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