A. 指标A/(指标B+指标A)×100%. B. (指标A/指标B)×100%. C. (指标A+指标B)/指标A×100%. D. 指标A/(指标A+指标B+指标C)×100%. E. (指标A+指标B)/(指标C+指标D)×100%.
A. to talk B. talking C. have a talk
A. put it on B. put on it C. put them on
A. 正确 B. 错误