单项选择题
对重症颅脑外伤患者急救，首先应做到( ) A．检查神志、瞳孔 B．测量呼吸、脉搏、血压 C．保证呼吸道通畅 D．给予止血剂和抗感染药物 E．应用脱水剂
单项选择题 He was hoping to go abroad but his parents ______ that they wont support him unless he can borrow money from the bank. A．were deciding B．have decided C．decided D．will decide
单项选择题 贫血表现为（）。
单项选择题 下列哪项不引起右心室肥大?( ) A．主动脉瓣狭窄 B．二尖瓣关闭不全 C．二尖瓣狭窄 D．主动脉瓣关闭不全 E．三尖瓣狭窄
