单项选择题

A．It could help people of all ages to avoid cancer.
B．It was mainly meant for cancer patients.
C．It might appeal more to viewers over 40.
D．It was frequently interrupted by commercials.
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单项选择题
A．She was absent all week owing to sickness. B．She was seriously injured in a car accident. C．She called to say that her husband had been hospitalized. D．She had to be away from school to attend to her husband.
A．She was absent all week owing to sickness.
B．She was seriously injured in a car accident.
C．She called to say that her husband had been hospitalized.
D．She had to be away from school to attend to her husband.
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