下列情况中,可造成汽轮机进水或进冷汽的是()
A.加热器抽汽量小
B.加热器无水位运行
C.凝结器满水
D.汽轮机油系统进水
参考答案:C
—Would you like coffee or tea?
—Coffee, please. By the way, do you have milk? I like coffee _____ milk.[ ]
A. for
B. or
C. with
D. without
一般来说,在利率将上调的预测下,在长期国债和短期国债中,人们会倾向于投资( )。
A.长期国债
B.短期国债
C.长期国债和短期国债
D.不能确定