【判断题】投资报酬率法的决策标准是:投资利润越高越好,低于基准投资利润率的方案可行。
【单选题】该国87%是阿拉伯人,信仰伊斯兰教,阿拉伯语为官方语言的国家是 [ ]
【判断题】额定电压为380V/220V的单相变压器,若当作升压变压器使用时,可以在二次侧接入380V的电源,在一次侧获得输出约656V的电压。
【单选题】--- Who went to the beach yesterday? --- All my family went there ____ my son. He should study for the test at school.
【简答题】反应 (forma de infinitivo)
【单选题】With the _____ of making a fortune, many people went to Australia in the 19th century to wash sand for gold. [ ]
【简答题】诱惑 (forma de infinitivo)