_重庆成考网

What is crucial in the development of ‘babies’ brains?

• A、Babies’ ability to focus.

• B、Babies’ mastery of skills.

• C、Babies’ muscle strength

• D、Babies’ near-constant movement.

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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