【单选题】The US biodefence research is particularly controversial because of the sheer ______ of the effort.
【单选题】下面哪些不是过程中参数的有效模式( )?
【单选题】下面哪些不是过程中参数的有效模式?( )
【简答题】In the text Got My B.A, by Sheer Luck, the author thought he got one chance in a million because
【单选题】I am _____, I am an English boy. [ ]