抗休克的处理原则包括()
A．消除病因
B．扩张血容量
C．纠正酸碱失衡
D．增强心肌功能
E．持续应用皮质激素
参考答案：A,B,C,D
要对排水管道进行定期养护、清理，防止其（）。
He is very popular among his students as he always tries to get them ________ in his lectures.
A．interesting
B．interested
C．being interested
D．to interest
