扩张型心肌病治疗哪些是错误的()
A.保护心功能、改善心肌代谢
B.积极治疗心衰
C.常规应用异搏定治疗
D.早采取抗凝治疗
E.及时治疗心律失常
参考答案:A
His parents thought he was working very hard in the room, _____in fact, he was chatting with his friends on the Internet.
A.when
B.where
C.which
D.while
目前较为通用的上网方式有()。
A.拨号上网
B.专线上网
C.ISDN专线上网
D.外设上网