改错。

(      ) 1. Sorry, I forget to buy bottle of ink to you.              ___________________

             A                     B                  C    D

(      ) 2. Zhang Hong likes English, but she need much help. ___________________

                                A                 B            C            D

(      ) 3. How about buy some drinks and snacks？             ___________________

                    A         B     C             D

(      ) 4. He always likes to sweeping the floor.                   ___________________

                    A         B       C            D

(      ) 5. Who will go with you, him or her?                        ___________________

              A           B    C                 D

女性病人，57岁。因胆囊结石伴慢性胆囊炎、行经腹腔镜胆囊切除术。术中以1.5%的异氟烷维持麻醉，辅助小剂量芬太尼。手术进行到1小时后病人的血压升高、心率增快，将异氟烷的浓度升至2%，效果不良。

确诊二氧化碳蓄积的最简便有效的方法是（）。

A.病人的临床表现

B.观察钠石灰的颜色

C.测定呼气末二氧化碳分压

D.行动脉血气分析

E.测定分钟通气量