单位贡献毛益的计算公式是可以表示为()。
A: m=p-c
B: m=p-a
C: m=p-bprefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace>
D: m=p-a-b
A: m=p-c
B: m=p-a
C: m=p-bprefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace>
D: m=p-a-b
举一反三
- 不污染衣服的基质是()。prefix="o"ns="urn:schemas-microsoft-com:office:office"?xml:namespace> A: 凡士林prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace> B: 液状石蜡prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace> C: 硅酮prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace> D: 蜂蜡prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace> E: 羊毛脂prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace>
- 不属人工主动免疫的是 A: 白喉类毒素prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace> B: 破伤风抗毒素prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace> C: 卡介苗prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace> D: 百日咳疫苗prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace> E: prefix="o"ns="urn:schemas-microsoft-com:office:office"?脊髓灰质炎疫苗?xml:namespace>
- 物流配送中心的业务来源() A: 供应商prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace> B: 收货人prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace> C: 分销商prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace> D: 客户的订单prefix="o"ns="urn:schemas-microsoft-com:office:office"??xml:namespace>
- 引起呕血最多见的病因是 A: 急性胃粘膜病变prefix="o"ns="urn:schemas-microsoft-com:office:office"?xml:namespace> B: 食管静脉曲张破裂prefix="o"ns="urn:schemas-microsoft-com:office:office"?xml:namespace> C: 消化性溃疡prefix="o"ns="urn:schemas-microsoft-com:office:office"?xml:namespace> D: 胃癌prefix="o"ns="urn:schemas-microsoft-com:office:office"?xml:namespace> E: 胃粘膜血管病变prefix="o"ns="urn:schemas-microsoft-com:office:office"?xml:namespace>
- --- Would you like some more rice? ---No, thank you. I’m __________. prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>