腐生型(metatrophy)
参考答案:
利用无生命的有机物(如动植物尸体和残体)的化能有机异养型生物。
. --- Bruce, could you tell me where __________ was ___________ you first met Mr. Carl?
--- In the park where I often go.
A.it; that
B.that; which
C.it; what
D.that; it
麻疹传染性最强的时期为()
A.潜伏期
B.前驱期
C.出疹期
D.恢复期
E.出现并发症期