铜绿假单胞菌的鞭毛数量是()
A.0~2根
B.1~3根
C.10~20根
D.20~30根
E.30~50根
参考答案:B
— Are you coming to my wedding ceremony?
— __________. I can’t miss your prettiest and happiest moment. [ ]
A. I’m afraid I can’t .
B. You’ve welcome.
C. No way!
D. You bet!
土壤耕作