工质在压气机中受()接受外功。
A、收缩
B、膨胀
C、压缩
D、燃烧
参考答案:C
病态窦房结综合征病人最理想的治疗方法是
A.静脉注射阿托品
B.静脉滴注异丙肾上腺素
C.同步电复律
D.安装永久心脏起搏器
E.静脉滴注麻黄素
—You shouldn't have gone there alone last night. —But I ______. Philip went there together with me.
A. didn'tB. hadn'tC. wouldn'tD. wasn't