新旧真菌界各包括哪些类群?
参考答案:菌物(旧真菌界):真菌(fungi)、粘菌、卵菌、地衣。。新真菌界(纯真菌):壶菌门、接合菌门、子囊菌门、担子菌门。
She prefers _____ her clothes by hands rather than by machine.
A.having washed
B.washing
C.being washed
D.to wash
液化石油气钢瓶如果温度持续升高,压力超过钢瓶的耐压强度时,就有发生()的危险。
(A)爆炸
(B)增压
(C)燃烧
(D)喷溅