单项选择题

A．The bacteria would be killed by the human immune system.
B．The bacteria would die if brought to the surface.
C．Many antidotes and remedies are available.
D．Drilling operations are always closely monitored.
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单项选择题
A．The only method of preventing the disease is to get flu vaccines.B．Dr. Morens was optimistic about the immediate future.C．As many as 87 percent of the 11,000 people who died from R. S.V. each year were 65 and older.D．The vaccine, which is made from a killed virus, can give people the flu.
A．The only method of preventing the disease is to get flu vaccines.
B．Dr. Morens was optimistic about the immediate future.
C．As many as 87 percent of the 11,000 people who died from R. S.V. each year were 65 and older.
D．The vaccine, which is made from a killed virus, can give people the flu.
单项选择题
A．The man is mistaken.B．The error will be corrected.C．She didn’t know about the problem.D．Grades were sent late.
A．The man is mistaken.
B．The error will be corrected.
C．She didn’t know about the problem.
D．Grades were sent late.
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