院前急救的主要目的（）
A.挽救生命
B.健康教育
C.减少伤残
D.明确诊断
E.尽快转运
参考答案：A, C
In my opinion，life in the twenty－first century is much easier than ________.
A．that used to be
B．it is used to
C．it was used to
D．it used to be
具备燥湿化痰，祛风止痉，解毒散结功效的药物是______
A．半夏 B．白芥子C．胆南星 D．天竺黄E．禹白附
