单项选择题

Questions 24—26 are based on the passage about human intelligence. You now have 15 seconds to read Questions 24—26. The best statement of the main idea of the passage is that ______.

A．human brains differ considerably
B．the brain a person is born with is important in determining his intelligence
C．environment is crucial in determining a person’s intelligence
D．persons having identical brains will have roughly the same intelligence

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单项选择题

The cultural differences arise ______.

A．at the wedding.
B．before intermarriage.
C．after people get married..
D．until recently.

单项选择题

What kind of disease is not related to the use of mobile phones

A．Fatigue.
B．Headache.
C．Alzheimer’s disease.
D．Tuberculosis.

Questions 24—26 are based on the passage about human intelligence. You now have 15 seconds to read Questions 24—26. The best statement of the main idea of the passage is that ______. 您的浏览器不支持 audio 元素。

Questions 24—26 are based on the passage about human intelligence. You now have 15 seconds to read Questions 24—26. The best statement of the main idea of the passage is that ______.