少尿的标准是
A.24小时尿量少于600ml
B.24小时尿量少于500ml
C.24小时尿量少于400ml
D.24小时尿量少于300ml
E.24小时尿量少于200ml
参考答案:C
The most important _____ of the job as a typist is to be able to type fast and _______. [ ]
A. aspect; accurate
B. way; exactly
C. aspect; accurately
D. part; precisely
堆石体填筑采用后退法填筑工艺的特点是()。
A.可减轻轮胎磨损
B.推土机摊平工作量小
C.堆石填筑速度快
D.对坝料质量无明显影响
E.推土机摊平工作量大