基准地价系数修正法是（）在估价实践中的具体运用。
A.合法原则
B.预期收益原则
C.最有效使用原则
D.替代原则
参考答案：D
If he _________ more time practicing speaking English before, he ____ able to speak it much better now.
A．spent; will be
B．had spent; would have been
C．spent; would have been
D．had spent; would be
腹部外伤后发生出血性休克，正确的治疗原则是（）
A.大量、快速补充液体
B.输血，恢复血容量
C.大量抗生素预防感染
D.给予充足镇痛药物减少不利刺激
E.积极抗休克，同时手术探查
