题目

如图中汽车速度仪的示数是______ 。 答案：【答案】80km/h。【解析】速度计的单位是km/h，根据速度计指针位置可读出速度计的示数。由图知速度计的示数v=80km/h。故答案为：80km/h。TV home  shopping (电视直销 )  has changed the way of shopping and the __________ of people' s family life in some way.   [     ]A. meaning        B. structure   C. pattern          D. tense