超星 - Listening 2-- multiple choice.xls - 查题吧

单选题

For _________ years, the distribution of ages in the human population has looked like a pyramid, with the oldest on top. 2

A. 12000
B. 1200
C. 1000
D. 5000

单选题

By 2050, there’ll be about million people in the United States over the age of 80 and million of them will have Alzheimer’s disease.

A. 30; 15
B. 32; 16
C. 13; 3
D. 32; 3

单选题

By 2050, those and other neurologic diseases—for which we have no cure or prevention—cost well over ___________ dollars a year.

A. a third of a trillion
B. a trillion
C. a third of a billion
D. a billion

单选题

Interestingly enough, apart from Alzheimer’s, neurologic diseases which affect very different parts of the brain also show ____________.

A. angles of misfolded protein
B. angles of misfolded protamine
C. tangles of misfolded protein
D. tangles of misfolded protamine

单选题

1.It is very fascinating that people with neurologic diseases have a very low incidence of ___________.

A. all cancers
B. heart disease
C. malaria
D. most cancers

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