能引起经济法律责任产生的原因包括( )
A.法律规定
B.侵权行为
C.违约行为
D.法律制裁
参考答案:A,B,C
解析: 法律制裁是承担法律责任的方式,而非引起法律责任产生的原因。
If you had lived in the Middle Ages,you ________the chance to appreciate the art works of Leonardo da Vinci.
A.won’t have had
B.wouldn’t have
C.wouldn’t have had
D.mustn’t have had
下列不属于我国常见灾害性天气的是( )
A.台风
B.寒潮
C.水旱灾害
D.海啸