血白细胞总数增多,可见于()
A.伤寒杆菌感染
B.再生障碍性贫血
C.急性失血
D.使用氯霉素的影响
E.脾功能亢进
参考答案:C
Don't worry! I'm sure I can run ________ to catch up with them. [ ]
A. fast enough
B. enough fast
C. enough slowly
D. slowly enough
大型机械设备基础就位安装前需要进行预压,预压的质量为自重和允许加工件最大质量总和的()。
A.1.15倍
B.1.20倍
C.1.25倍
D.1.30倍