【单选题】儿童表现为对人态度冷淡,对别人的呼唤不理不睬,这种表现属于自闭症的( )
【单选题】【A2 题型】 患者女性,41岁。风湿性心脏病二尖瓣狭窄并关闭不全病史多年。因低热两周,活动后气促,昨晚出现夜间端坐性呼吸困难入院。目前考虑为感染性心内膜炎与风湿活动相鉴别。确诊感染性心内膜炎最重要的辅助检查是
【单选题】听力原文:W: Mr. Gordon, could you give the listeners some idea of how this launching campaign began? M: Well it all began more than a year ago, in the middle of an English winter, strangely enough. There ...
A.
Maderia was not chosen because its roads were too dangerous.
B.
The Costa Del Sol was finally chosen after three months of investigation.
C.
Britain was not chosen because it now was forecast for April.
D.
Portugal was not chosen because it was not quiet enough for the press.
【单选题】患者,女性,41岁。反复胸闷2年余,诊断为:风湿性心脏病,二尖瓣狭窄,心房颤动。应用地高辛0.25mg/d,现心室率突然转为规律,52次/分。最可能的提示是
【单选题】患者女性,41岁。风湿性心脏病二尖瓣狭窄并关闭不全病史多年。因低热两周,活动后气促,昨晚出现夜间端坐性呼吸困难入院。目前考虑为感染性心内膜炎与风湿活动相鉴别。确诊感染性心内膜炎最重要的辅助检查是
【单选题】社会主义初级阶段是指( )。
D.
中国生产力落后,商品经济不发达条件下,建设社会主义必然要经历的特定阶段
【简答题】石英晶体的化学成分是 ,石英谐振器具有 效应和 效应,并且具有品质因数 、接入系数 等特点。
【单选题】邓小平指出:"社会主义是共产主义第一阶段,当然这是一个很长的历史阶段。"特别是为了给实现共产主义准备充分的物质基础,就需要社会主义社会有( )过程。
【多选题】下面哪些篇章属于《荒原》的章节的有( ).
【简答题】第三节完形填空(共20小题;每小题1.5分,满分30分) 阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该选项涂黑。 When I was a boy, every holiday that I had seemed wonderful. My 21 took me by train or by car to a hotel by the...