[单项选择]With increased taxation and rising prices, I am going to have to ______ on quite a lot of things -clothes, records and so on. A. cut off B. cut in C. cut out D. cut down
参考答案:D 答案解析:[分析] cut down on“削减”,“减少”;cut off“切去”,“切断”;cut in“插嘴”;cut out“切去”,“剪下”。后三个短语动词均不与on搭配。并且意思也不切题。因此,D是
第4题: [单项选择]男,16岁。四肢无力、麻木10天。发病10天前有腹泻,持续2天愈。体检:神志清楚,双侧周围性面瘫。四肢肌力2级,肌张力低、腱反射消失,腓肠肌压痛,短袜套样痛觉异常。脑脊液检查;白细胞4×106/L,蛋白0.6g/L,糖3.2mmol/L,氯122mmol/L。若入院后第3天患者出现气促、呼吸困难、咳嗽无力、口唇发绀,在吸氧(5L/min)的条件下动脉氧分压为60mmHg,应立即采取() A. 给可予拉明、洛贝林等呼吸兴奋剂 B. 气管插管、辅助呼吸 C. 抗生素 D. 肌注新斯的明 E. 静脉滴注地塞米松 参考答案:B