优学院学术英语3unit1 听力答案(4)

A. Men and women have different hormones which send different messages to the body. B. More boys than girls are diagnosed with brain system problems like autism and

schizophrenia.

C. The frontal lobe and limbic cortex are bigger in women's brains, while the parietal

cortex and amygdala are bigger in men.

5. Main Idea: Differences between men and women often result from social pressures, which cause them to behave in a certain way. Supporting Details:

A. Girls are often expected to be quiet and obedient, while boys are allowed to be noisier

and more adventuresome.

B. Men are generally taller and have larger muscles than women.

C. Studies have shown that teachers call on boys more often to give answers in class.

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