单项选择题

All of the following are mentioned in the passage as reasons for allowing unlabeled uses of drugs except ______.

A．the increased cost to the patient of buying an FDA approved drug
B．the availability of publications to inform physicians of the existence of such uses
C．the time lag between initial discovery of a medical use and FDA approval of that use
D．the possibility that a medically beneficial use may never be clinically documented

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热门试题

单项选择题The government should distinguish between unlabeled use and disapproved use of a drug by ______.

A．prohibiting the unlabeled use
B．permitting the disapproved use
C．allowing the practice of the unlabeled use
D．hastening their approval of the disapproved use

单项选择题By using the phrase the concept of art. imposed by the triumph of Modernism , the author means that art should be ______.

A．an abstract definition
B．a truthful representation
C．an objective observation
D．a creative representation

单项选择题Which of the following best expresses the author's main concern

A．Photography as a fine art.
B．Modernism and Expressionism.
C．Photographers' attitude toward art.
D．Methods of modern photographers.

单项选择题The author uses Abstract Expressionist painter as an example to show that ______.

A．it is difficult to define real art
B．what photographers do differs from that of painters
C．Abstract Expressionist painters and photographers are different
D．they resemble serious photographers in giving up traditional aims of art

单项选择题According to the passage, all the following are true except ______.

A．photography was once considered not creative
B．at present, photography is regarded as a kind of art
C．unlike abstract painting, photography is easy to understand
D．since photography came into being, photographers have been struggling to claim that their works are works of art