单项选择题
A.both are mental acts B.muscles participate in both processes C.both processes are performed by the entire body D.we derive equal enjoyment from them
A.In the Philippines. B.In China. C.In Africa. D.We don’ t know.
A.the computer’ s memory has a little bigger capacity than a teenager’ s B.the computer’ s memory capacity is much smaller that an adult human being’ s C.the computer’ s memory capacity is much smaller even than a teenager’ s D.both A and B