Read the full-text online article and more details about "Cars Cost - but Here's How to Save" - The News Letter (Belfast, Northern Ireland), February 8, 2003
The marginal value is the extra cost of producing one extra unit of output. Similarly, marginal revenue is the extra revenue resulting from selling an extra unit of goods. From the economics of a firm, when marginal revenue equals marginal costs, the firm is in an equlibrium optimal ...
【语篇分析】 1.根据Last, riding a bike is also a kind of exercise and it is good for your health.可知答案。2.根据Lots of people like travelling by car. It is fast and comfortable.可知答案。3.第二段“First⋅⋅⋅ Second⋅⋅⋅ Third⋅⋅⋅
It is one of ___ of the day. To keep healthy,everyone should___a good breakfast.___ the right food is necessary for good health.We may have eggs, bread, milk,etc ___ breakfast . Many students go to school without breakfast___they get up late or their pare...
Pushing low-cost sensors to marketdoi:10.1108/sr.2009.08729dab.002Emerald Publishing LimitedSensor Review
Journal of Heart & Lung TransplantationBurrows FS, Carlos LM, Marriott D, Havryk A, Plit M, Glanville AR. Oral ribavirin is a cost-effective alternative to intravenous ribavirin for respiratory syncytial virus (RSV) infection after lung transplantation (LTx). J Heart Lung Transplant 2013;32:S10...