【单选题】8, The major concern of ______ fiction lies in the tracing of the psychological development of his characters and in his energetic criticism of the dehumanizing effect of the capitalist industrializa...
【简答题】第11章6. A major concern for the viability of current alternative fuels is the _____ needed to produce the required materials.A. waterB. energyC. productsD. cropland7. According to the writer of this pa...