支原体是一类介于________与细菌之间的原核微生物，是目前所知能在无生命培养基中生长繁殖的最小微生物。
参考答案：病毒
It is a tradition for the Chinese to ______ about the bush, which sometimes makes foreigners
puzzle or misunderstand what you are saying. [ ]
A. go
B. eat
C. beat
D. wander
简述黄疸
ying. [ ]