第1题: [单项选择]患儿8个月,呕吐、腹泻3d,大便15次/d。皮肤弹性极差,无尿。血清钠140mmol/L,患儿脱水的程度和性质是()。 A. 轻度高渗性脱水 B. 重度低渗性脱水 C. 轻度等渗性脱水 D. 重度等渗性脱水 E. 轻度低渗性脱水 参考答案:D 答案解析:重度脱水患儿呈重病容,精神极度萎靡,表情淡漠,昏睡甚至昏迷;皮肤发灰或有花纹、弹性极差;眼窝和前囟深凹陷,眼闭不合,两眼凝视,哭时无泪;口唇黏膜极干燥。因血容量明显减少可出现休克症状,如心音低钝、脉搏
A. a very old country B. not famous around the world till 1930 C. hardly known to all D. well-known for its large amount of sad reserves 参考答案:B 答案解析:[精解] 推理题。文中有"Until oil was discovered there in 1930,Kuwait was a little-known country."这样一句,其意为“直到19
第15题: [单项选择]The movie has a {{U}}satisfying{{/U}} ending. A. pleasing B. sad C. interesting D. horrific 参考答案:A 答案解析:[解析] 本题考查的是对形容词的认知能力。本句意思:这个电影有一个令人满意的结局。A.pleasing:令人愉快的,与satisfying意思接近。例如:Pleasing everybody is p