Why is it challenging to interpret "dolphins speak"？
A. Because playing and fighting are part of dolphins' life.
Because dolphins like to talk about their language.
C. Because dolphins' language heavily relies on their actions.
D. Because tasty fish are difficult for dolphins to catch.
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The ATMs enable bank customers to access their money 24 hours a day and seven days a week
A. wherever
B. whenever
C. however
D. whatever
Which of the following is NOT true about the silicon chips in trial？
A. They are as tiny as a grain of rice.
B. They will send out radio signals.
C. They will be developed for medical uses.
D. They function like identity cards.
In the last paragraph, "that's just the way the ball bounces", probably means______.
A. tradition offers the best choice
B. the NBA made a mistake
C. the ball bounces as best it can
D. the ball bounces perfectly
How did some NBA players respond to the switch to synthetic balls？
A. They felt that the new balls were worse than the leather balls.
B. They thought differently about the leather balls.
C. They felt much more comfortable with the synthetic balls.
D. They believed the new balls would soon be replaced.
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