单项选择题
A．never become a genius B．exceed his intelligence limits in rich surroundings C．still become a genius if he should be given special education D．not reach his intelligence in his life
A．moves in a quick but steady way year after year B．sends out less and less heat and light with each passing year C．radiates the same amount of light every year D．might have a strong influence on the weather patterns
A．They took objective. B．They specialized in one subject. C．They were timed by electrical clocks. D．They usually took spoken tests.