单项选择题

Questions 11-13 are based on the passage you have just heard. What warning did the doctors give about the use of aspirin

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.
<上一题 目录 下一题>
热门 试题

单项选择题
Among the three types of shoplifters, who can be found out most difficultly
A．The first kind.
B．The second kind.
C．The third kind.
D．None of them can be found out easily.
单项选择题
If two men suspected for some reason they have a common ancestor, ______.
A．we can decide according to their family tree
B．we can find the truth from their genetic markers
C．we can compare the differences in their Y chromosome
D．we can look for written records to prove their relationship
相关试题