A.让热水流过暖气片来取暖
B.城市修建人工湖,减弱“热岛效应”
C.在修建水电站,用水发电
D.汽车发动机用水循环冷却
答案:C
— The head teacher said we had only three days to finish the project.
— Don't worry. We have already ________ two thirds of it. [ ]
A. taken over
B. got through
C. made up
D. given away
下列投资方案经济效果评价指标中,属于分析企业偿债能力的有()。
A.投资收益率
B.利息备付率
C.投资回收期
D.财务净现值
E.速动比率