离心压缩机排量不足的根本原因是转速过低。
参考答案:错
符合草绿色链球菌生化反应的是()
A.触酶试验阴性
B.Optochin敏感试验耐药
C.Optochin敏感试验敏感
D.胆汁溶解试验阴性
E.胆汁溶解试验阳性
I . today's newspaper, but I found nothing new.
A.looked up
B.looked through
C.looked like
D.looked after