单项选择题A.Multitasking reduces efficiency.B.Multitasking is a matter of life and death.C.Multitasking is the process of executive control.D.Multitasking has become increasingly common.
单项选择题A.He wants to know the temperature in Fahrenheit.B.He wants to know the temperature in Centigrade.C.The newscasters always confuse the audience.D.The newscasters cannot understand Fahrenheit.