【简答题】A.It monitors the signals transmitted from the driver's brain. B.It can measure the driver's alcohol level in the blood. C.It can quicken the driver's response to emergencies. D.It bases its ysis ...
【简答题】Even a small reduction in salt in the diet can be a big help to the heart. A new study used a computer model to predict how just t hree grams less a day would af fect heart disease in the United State...