单项选择题

In the third paragraph, a crow is mentioned as an example to show______.

A．crows are cleverer than chimpanzees
B．crows have a certain amount of intelligence
C．non-primates are as intelligent as primates
D．non-primates are able to use tools

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热门试题

单项选择题

Why do many scientists think animals are basically sleepwalkers

A．Because animals learn to carry out complex actions.
B．Because animals are trained to carry out complex actions.
C．Because animals carry out complex actions in response to stimuli.
D．Because animals carry out complex actions without awareness.

单项选择题

What's the topic in this passage A) Animal consciousness. C) Tool use by animals. B) Animal behavior. D) Signs of animal intelligence.

A．What's the topic in this passage
B．Animal consciousness.
C．Animal behavior.
D．Tool use by animals.
E．Signs of animal intelligence.