零息债券、附息债券和息票累积债券是按( )对债券进行分类。
A.债券面临的风险大小及损失价值的可能性
B.债券的发行主体
C.付息方式
D.债券形态
参考答案:C
下列说法中错误的是( )
A.物体内能增大,可能从外界吸收了热量,也可能外界对物体做了功。
B.烈日当空的海边,沙子烫脚而海水凉凉的,这是由于水的比热大于沙石的比热。
C.物体的温度越高,分子无规则运动越剧烈。
D.燃料的热值越大,燃烧时放出的热量越多。
The AntiJapanese War ________ in 1937 and ________ eight years. [ ]
A. was broken out; was lasted
B. was broken out; lasted
C. broke out; was lasted
D. broke out; lasted