DIC晚期时高度纤溶亢进使D-二聚体含量降低的原因是()。
A. 尿激酶作用减弱
B. α1-抗胰蛋白酶抑制减轻
C. D-二聚体分解为小分子物质
D. 纤溶酶分解纤维蛋白多聚体作用减弱
E. 凝血酶分解纤维蛋白原减少
一旦鼻息肉诊断确立,一定需使用下列哪种药进行治疗?()
A. 全身用的糖皮质激素
B. 抗组胺药
C. 鼻内糖皮质激素
D. 全部都错
用技术手段保证行车安全、提高行车效率的系统叫()系统。
The term “moderate speed” was previously interpreted as meaning a speed which would enable a vessel ()within half the range of visibility.
A. stopping
B. being stopped
C. to stop
D. to be stopped