骨显像图出现肺、胃和肾放射性摄取增加,常见于哪种疾病()
A.骨髓硬化
B.组织细胞增多症
C.成骨肉瘤转移
D.甲状旁腺功能亢进
E.甲状腺功能亢进
参考答案:D
红外光谱技术在刑侦工作中主要用于物证鉴定,其优点如下()。
A.样品不受物理状态的限制
B.样品容易回收
C.样品用量少
D.鉴定结果充分可靠
Prices of food and clothing and almost everything else in the country have steadily gone up. As a result, the buying ______ of the dollar has gone down.
A.capacity
B.competency
C.power
D.value