制备药敏试验所需的M-H琼脂需向90mm内径的平板内倾注培养基的量是().
A.10ml
B.15ml
C.20ml
D.25ml
E.35ml
参考答案:D
Inside a box there are six smaller boxes,and inside each small box are six much smaller boxes.
How many boxes altogether? [ ]
A. Thirty-six.
B. Thirty-seven.
C. Forty-three.
D. Forty-two.
轨迹式滑动不包括()。
A、中分式门
B、旁开式门
C、闸门式门
D、修补活板门