【单选题】Don’t _________ if things go wrong.
【简答题】原发性肝癌最早、最常见的转移方式是( )
【单选题】Don’t ____ yourself _____ over something that you have no control over.
【简答题】B. Fill in the blanks with the expressions given below. Change the form where necessary. down to call in beat up wind up trial and error at all costs 1. Don’t ____ yourself __ over something th...
【单选题】下列哪种rRNA不属于真核生物核糖体的组成( )。