疑为回归热螺旋体患者血液涂片检查应做()。
A.厚涂片吉姆萨染色
B.印度墨汁负染
C.革兰染色
D.瑞氏染色
E.Fontana镀银染色
参考答案:A
The general said to the men, "Don't stop practicing. The general _______ the man ________. [ ]
A. ordered; not to stop
B. ordered; don't stop
C. said to; not to stop
D. requested; to not stop
在△ABC中,若tanA:tanB:tanC=1:2:3,则A=______.