A:RRB
B:RrB
C:rr
D:Rr
对欧姆定律变形公式R=UI的理解,下面的哪一句话是正确的?( )
小明在给微生物分类时把大肠杆菌、乳酸菌归为一类,他分类的依据是( )
—Tell me something about your adventure in the rainforest, please.
— We lost our way in the forest and ___ made matters worse was ___ night began to fall.
将数17,16 ,15, 14 ,13, 12 ,11分别减去8得数为____,____,____,____,____,____,____。