在进行工程经济分析时,下列项目财务评价指标中,属于静态分析指标的有( )。
A.投资收益率
B.财务净现值
C.财务内部收益率
D.静态投资回收期
E.动态投资回收期
参考答案:A,D
He didn't expect that his parents could manage to know ________ is going on in his college life on the Internet.
A.how
B.which
C.what
D.that
对于往复式压缩机,气阀中最容易损坏的部件是()和()等运动部件。