单项选择题


Questions 26 to 28 are based on the passage you have just heard.

A．It is harmful to heart surgery patients with stomach bleeding.
B．It should not be taken by heart surgery patients before the operation.
C．It will have considerable side effects if taken in large doses.
D．It should not be given to patients immediately after the operation.
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单项选择题
According to the passage, what is the role of the U.S. in regard to protectionism
A．The U. S. is an advocate of protectionism
B．The U. S. is a victim of protectionism
C．The U. S. resists protectionism
D．The U. S. opposes but also practices protectionism
单项选择题
The difference between males and females in visual-spatial skills and verbal ability seems to originate ______.
A．in adulthood
B．in childhood
C．from school experiences
D．from inborn hormonal conditions
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