三相二元件有功电能表由一个电流线圈和两个电压线圈组成。
参考答案:错
产生抗体依赖性细胞介导细胞毒作用的细胞主要是( )
A.T细胞B.B细胞C.NK细胞D.K细胞E.树突状细胞
I think this toy is Jim's. Please give _____________ to _____________. [ ]
A. it, he
B. its, him
C. it, him
D. its, he