【单选题】假定某服务的参考流是1000吨钢材,已知吨钢能耗750kgce,则每功能单位(Function Unit)在材料生产阶段的能耗是( )Assuming that the reference flow of a service is 1000 tons of steel and that the energy consumption of one ton of steel is 750 kgces,...
【单选题】In the study of functional syntax, Halliday defines his ______ as 'tile one to whom or for whom the process is said to take place', which is also called Recipient in material processes, Client in verb...
【单选题】In the study of functional syntax, Halliday defines his ______ as 'the one to whom or for whom the process is said to take place', which is also called Recipient in material processes, Client in verba...