What is this discussion mainly about？
A model of the universe
B. Interpretations of facts
C. definition of a hypothesis
D. The scientific method
What is the man's problem？
A. He has to study for an important exam.
B. He needs to prepare for a class discussion.
C. He owes a fine at the library.
D. He does not own a DVD player.
A．The bad weather.B．The gloomy winter.C．The cold houses.D．The long night.
A. The bad weather.
B. The gloomy winter.
C. The cold houses.
D. The long night.
Violation of a rule is misconduct even if______.
A. it has caused no harm
B. it is claimed to be unintentional
C. it has gone unnoticed
D. it is committed with good intentions
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