心悸怔忡，心胸憋闷疼痛，体胖多痰，身重困倦，舌苔白腻，脉滑，属（）
A.寒凝心脉
B.瘀阻心脉
C.气滞心脉
D.痰阻心脉
E.心气虚
参考答案：D
淘气和笑笑画同一根电线杆，淘气用1：2500画了16cm，则笑笑用1：100000画了______cm．
Electronic computers (), the complicated mathematical operations, such as weather forecast and the control of satellites, can be done quickly and accurately.
A. being used
B. used
C. having been used
D. to be used
