【单选题】听力原文:M:Please show me your driver's license,Madam。 W:What's the problem,officer? Q:What's the possible relationship between these two speakers? (9)
【单选题】St. Claire Manufacturing expects to produce and sell 6,000 units of Big, its only product, for $20 each. Direct material cost is $2 per unit, direct labor cost is $8 per unit, and variable manufacturi...