A. the Bureau of Alcohol, Tobacco and Firearms. B. unexpected changes in temperature. C. the sugar content of the grapes. D. the tempo of the seasons. 参考答案:D 答案解析:[详细解答] 由原文的句子“and our lives are dictated by the rhythm of nature and the demands of the living vines
第12题: [单项选择]下列哪项能使氧解离曲线发生有移 A. 糖酵解减弱 B. 温度升高 C. pH升高 D. CO2分压降低 E. CO中毒 参考答案:B 答案解析:pH降低或PCO2升高时,Hb对O2的亲和力降低,P50增大,曲线右移;温度升高时,氧解离曲线右移,促进O2的释放;温度降低时,曲线左