单项选择题

It can be inferred from the passage that electric response audiometry would be especially recommended for ______.

A．a three-year-old girl who has an earache
B．an old man who cups his ear to ear
C．a young child who does not talk
D．a rock musician who plays the drums

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单项选择题

The essential functions of the U. N. ______.

A．are limited to discussions and debates
B．include co-ordinating actions where necessary
C．are only concerned with human rights
D．are economic and culture

单项选择题

The passage indicates that which of the following is the primary value of the University of Iowa hearing test

A．It will reduce misdiagnoses of hard-to-test patients.
B．It will lead to a cure for congenital deafness.
C．It will eventually make other means of testing hearing obsolete.
D．It will win Nobel Prize for outstanding achievement in the field of medicin