单项选择题
A．They took objective. B．They specialized in one subject. C．They were timed by electrical clocks. D．They usually took spoken tests.
A．workers now take examinations. B．the population had grown rapidly. C．there are only written exams today. D．examinations are now written and time
A．People are often satisfied with their life. B．Life is less interesting for older people. C．Adults are freer to do what they want to do. D．Adults should no longer rely on others.