[单选题] 根据读音，选择合适的答案

1、[阅读理解]How does. exercise help the elderly?
A. By improving attention.
B. By slowing memory loss.
C. By connecting with others.
D. By controlling cell growth. .

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2、[阅读理解]Which of the following is closest in meaning to“sitting on the sidelines” in Para. 3?
A. Not being noticed.
B. Expressing vague ideas.
C. Not being involved.
D. Following what others do.

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3、[阅读理解]What can we learn about other parents from their remarks in Para. 1?
A. They were indifferent to adult learners.
B. They agreed on the idea of learning chess.
C. They gave congratulations to the adult learner.
D. They thought it odd for an adult to learn chess.

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4、[阅读理解]What does most research about cats show?
A. They don't need their owners 'attention.
B. They are emotionally attached to their owners.
C. They don' t experience separation anxiety as dogs do.
D. They respond to their owners’ voices less than dogs do.

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5、[阅读理解]What can be learned from the study?
A. Cats take food no matter who feeds them.
B. Cats refuse food from unhelpful strangers.
C. Dogs refuse food from those who anger them.
D. Dogs take food no matter how they are treated.

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