S5

填空题S7

单项选择题A．To replace physical therapy.B．To control brain seizures.C．To prevent heart disease.D．To relieve tension.

单项选择题A．It’s easy to locate.’B．It’s in a very windy area.C．It’s exceptionally beautiful.D．It’s partially covered by water.

单项选择题A．The need to exercise the memory.B．How the brain differs from other body tissues.C．The unconscious learning of a physical activity.D．How nerves control body movement.

单项选择题A．Her friend can find cheaper ways.B．The calls could not be cheaper.C．The conversation must be interesting.D．Voice chat is of better quality.