【单选题】对于rRNA的化学修饰,主要是甲基化,原核生物rRNA和真核生物rRNA分别是:
【单选题】She has already tried her best. Please don’t be too ______ about her job.
【单选题】用摩卡壶制作咖啡,其咖啡粉要求为细研磨度,一般取研磨刻度 ( )。
【单选题】Don’t be too( )about things you are not supposed to know.
【单选题】Don’t be too __________ about things you are not supposed to know.
【单选题】Don’t be too curious _____ things you aren’t supposed to know.
【单选题】Don’t be too ______ about things you’re not supposed to know.