【多选题】It must be understood that neither by word nor deed had I given Fortunato cause to doubt my good will. I continued as was my wont, to smile in his face, and he did not perceive that my smile now was a...
【多选题】Energy cr refers to a critical in the supply of energy-producing fuels, such as , oil, and . During the early 1970’s, the demand for petroleum increased , and Western countries depended heavily on...