矿产资源依其在地壳中富集的物质形态的不同,可分为()、()和()。
参考答案:气态矿产(如天然气);液态矿产(如石油);固态矿产(如煤铁等)
心肌梗死溶栓疗法禁忌症为()
A.既往发生过出血性脑卒中,1年内发生过缺血性脑卒中或脑血管事件
B.近期(<3周)外科大手术
C.可疑为主动脉夹层
D.颅内肿瘤
E.近期(2~4周)有活动性内脏出血
What is the major factor that has raised the divorce rate in North America
A.The increasing equality of women.
B.Relaxation of the divorce laws.
C.The significant reduction of the shame on divorce.
D.Men having more chances to know women.