将国债分为建设性国债和赤字国债，是以()为标准来划分的。
A．国债的认购对象
B．国债资金的最终用途
C．利率形式
D．国债是否具有相关凭证
参考答案：B
女性患者，32岁。出现剧烈头疼和呕吐24小时，经过检查诊断为蛛网膜下腔出血。下述哪点不是该病的常见临床表现（）。
A.无明显的偏瘫和偏身感觉障碍
B.明显的偏瘫和偏身感觉障碍
C.有脑膜刺激征
D.血性脑脊液
E.可以出现意识障碍
I was told that there were about 50 foreign students _ Chinese in the school, most were from
Germany. [ ]
A. study ; of whom
B. study ; of them
C. studying; of them,
D. studying ; of whom
