项目决策分析与评价的精髓是( )。
A.方案比选
B.财务分析
C.融资方案
D.投资估算
参考答案:A
解析:项目决策分析与评价的精髓是方案比选。
The new technology will make ________possible to grow food with very little water.
A.it
B.it is
C.that
D.that is
更换艉轴铜套的极限厚度为()。
A.0.02d+5mm
B.0.015d+3.5mm
C.0.03d+7.5mm
D.0.01d+2mm