母种转管时,移取的菌种块适宜的大小应为()大小。
参考答案:火柴头
--- Would you like black or white coffee?
--- Well, I ______ coffee ______ milk.
A.prefer ; to
B.prefer; with
C.would rather; than
D.like; better
Which of the following would be the best title for this passage
A.The Problem of Aging
B.Social Structures
C.Economic Technology
D.Continuing Education