单项选择题

It can be learned from the passage that oil exploitation beneath ANWR' s frozen earth ______.

A．involves a lot of technological problems
B．remains a controversial issue
C．is expected to get under way soon
D．will enable the U.S. to be oil independent
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单项选择题
According to the passage, players in a game may ______.
A．kick the ball across the court with force
B．lie down on the ground as an act of protest
C．deliberately throw the ball at anyone illegally blocking their way
D．keep on screaming and shouting throughout the game
单项选择题
Which of the following statements best expresses the author' s view
A．The words people use can influence their behavior.
B．Unpleasant words in sports are often used by foreign athletes.
C．Aggressive behavior in sports can have serious consequences.
D．Unfair judgments by referees will lead to violence on the sports field.
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