【单选题】What are the speakers talking about?
A.
Having a birthday party.
【简答题】在掌握的数据不多、不够准确或主要影响因素无法用数字描述进行定量分析时, ____ 是一种行之有效的预测方法。
【单选题】听力:1、What are the speakers talking about?
A.
Having a birthday party.
【判断题】阴道毛滴虫可引起不孕症,是由于滴虫可吞噬精子,其分泌物可阻碍精子存活,治疗滴虫性阴道炎常用药物是甲硝唑。( )
【单选题】Jin: What are you doing after class?
A.
They’re talking about the present.
B.
They’re talking about the future.
【单选题】关于凋亡相关基因,下列哪项描述是错误的:( )
【多选题】下列哪种细菌更容易在低温贮藏食品中检出?
【单选题】关于Bcl-2,下列哪项描述是错误的:( )