A. 磷酸,核糖,U四种碱基 B. 磷酸,脱氧核糖,G四种碱基 C. 四种脱氧核苷酸 D. 四种核糖核苷酸
A. 带下过少,甚至全无,阴部干涩灼痛 B. 或伴阴痒,阴部萎缩,性交疼痛 C. 头晕耳鸣,腰膝酸软,烘热汗出 D. 烦热胸闷,夜寐不安,尿黄便结 E. 舌淡红苔白,脉细涩
A. Here is the money. B. It is cheap and convenient. C. Please sit down. D. Here is your receipt and change.