【单选题】They ______ on the program for almost one week before I joined them, and now we _____on it as no good results have come out so far.
A.
had been working; are still working
B.
had worked; were still working
C.
have been working; have worked
D.
have worked; are still working
【简答题】They _______ on the program for almost one week before I joined them,and now we _______ it as no good results have come out so far. A.had been working; are still working B.had worked; were still wor...
【判断题】胰岛的A细胞分泌高血糖素,B细胞分泌胰岛素。
【单选题】关于杠杆收购基金的运作特点,表述正确的是( ) I投资对象主要是成熟企业 II投资方式以参股性投资为主III经常借用杠杆进行投资 IV投资收益来源于所投资企业的因价值创造带来的股权增值