通过电阻上的电流增大到原来的2倍时，它所消耗的电功率也增大到原来的（）倍。
参考答案：4
_______ quality, there's no product of other companies that can compare with ours.[ ]
A. In need of
B. By means of
C. In spite of
D. In terms of
感染病毒的细胞在胞核或胞质内存在可着色的斑块状结构称（）
A.包涵体
B.蚀斑
C.空斑
D.极体
E.异染颗粒
