题目

Below are same classified ads from an English newspaper. Classifiedads FORDORECT CLASSIFIED SERVICE CALL 800-0557 10 A.M.-4P.M. MONDAY-FRIDAY FOR SALE——————————— COME to our movingsale- Plants, pottery,books, clothes, etc.Sat,Dec.14th ---9a.m.-5p.m. 1612Femdale,Apt.1,800-4696 USED FUR COATS and JACKETS ,Goodcondition $30-$50.Call800-0436 after 12 noon. MOVING; Mustsell.TV21”, $50; AM/FM radioA/C or battery, $15;cassette tape recorder, $10.CallJon or Pat, 800-0739after 5p.m. or Weekends. SHEEPSKIN COAT:man’s size 42, 1yearold. $85 after 6 p.m., 800-5224. LOST AND FOU如图所示，一带电粒子只受电场力从A飞到B，径迹如图中虚线所示，下列说法正确的是（　　）A．粒子带负电B．粒子加速度不断变小C．粒子在A点时动能较大D．B点场强大于A点场强