细菌和真菌生活必须的基本条件是 [ ]
A.需要适宜的温度
B.需要营养物质
C.需要水分和一定的空间
D.以上三项都是
答案:D
He has ___________ in teaching and ___________.[ ]
A. experiences;a wonderful experience
B. experiences;wonderful experience
C. experience;a wonderful experience
D. experience;wonderful experience
阑尾无绒毛。