题目

1861年巴斯德发现,利用酵母菌酿酒的时候,如果发酵容器中存在氧气,会导致酒精产生停止,这就是所谓的巴斯德效应。直接决定“巴斯德效应”发生与否的反应及其场所是(    )  A、酒精+O2→丙酮酸,细胞质基质                     B、丙酮酸+O2→CO2,线粒体基质 C、H+O2→H2O,线粒体内膜                               D、H2O→O2+H,类囊体薄膜—________ English every morning? —Yes, but now I ________ Chinese.A. Are you reading; readB. Do you read; readC. Do you read; am readingD. Are you reading; am reading
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