我国义务教育课程具备的主要特征是( ) 性、普遍性、( )性。
参考答案:强制 基础
根据句意及首字母提示填空。
1. —What did you do last night? —I went to the c____ with my friends. Hero was on (上映).
2. If you want to go to other countries, you need to have a p____.
3. Our English teacher is s____ with us, but we like him very much.
4. The problem is easy, but n____ of us in our class can work it out.
5. T____ it's hard work, I'll try my best to finish it.
男性,67岁。诊断肺心病3年,咳、痰、喘伴双下肢水肿加重1周,查体:双肺可闻及大量湿性啰音,心率107次/分,肝于肋缘下2横指,有触痛。白细胞及分类均高,血气分析:pH7.33PaO245mmHg,PCO275mmHg,HCO3-35mmol/L。
该患者不存在哪些并发症()
A.肺部感染
B.心力衰竭
C.呼吸衰竭
D.呼吸性酸中毒
E.呼酸合并代酸