【简答题】南丁格尔“极区图”又称为:南丁格尔____。
【单选题】What are the girls doing? They're _____________. [ ]
C.
looking at the flowers
【判断题】投资者所承担的风险越高,其得到的收益也越高。( )
【简答题】A) re-paint B) remix C) re-write D) rehash
【单选题】—What are the girls doing? —They're ______ the music. [ ]
【简答题】执行器按所驱动的能源来分,有(),()、()三大类。