题型:名词解释 —Now computers _____ in many ways.—I agree with you. I think they are the most useful inventions in the world. [ ]A. used B. use C. are used D. were used 查看答案
题型:名词解释 患儿,男,3岁,曾多次患肺炎,平时无发绀。查体:心前区隆起,心尖搏动弥散,胸骨左缘第2肋间闻及4/6级粗糙的连续性机器样杂音。诊断考虑为()A.房间隔缺损B.主动脉瓣关闭不全C.动脉导管未闭D.主动脉瓣狭窄E.肺动脉瓣狭窄 查看答案