-
1/4, 2/5, 5/7, 1, 17/14, () A. 25/17 B. 26/17 C. 25/19 D. 26/19
-
4,6,5,7,7,9,11,13,19,21,() A. 27,29 B. 32,33 C. 35,37 D.41,43
-
13,19,11,22,(),25,7,()。A.15 26 B.25 24 C.16 18 D.9 28
-
4,6,5,7,7,9,11,13,19,21,(),() A.27,29 B.32,33 C.35,37 D.41,43
-
2,7, 9,19,26, ()。A.28 B.37 C.41 D.53
-
2 5 9 19 37 ( )。A. 59 B. 64 C. 72 D. 75
-
霍乱弧菌最适宜的培养条件是A.pH7.2~7.4 37℃B.pH6.9~7.1 26~28℃C.pH6.9~7.1 40℃D.pH6.0 28~30℃E.