金属材料由于表面膜不完整,在电解质溶液中发生()腐蚀。
A.化学
B.宏观电化学
C.微观电化学
D.电偶
参考答案:C
补全对话。
A: How do you 1._____ 2._____ weekends, Helen?
B: I 3._____ cartoons. Sometimes I go to the park. I like watching
4._____. Insects are our good friends. What about you?
A: I like sports very much. I often go 5._____ in the swimming pool.
Sometimes I 6._____ football 17._____ Jack.
B: Oh, I see. How 8._____ your sister spend 9._____ weekends?
A: She likes music. She often 10._____ to music at home.
转让无形资产应纳的税种是( )。
A.增值税
B.消费税
C.营业税
D.资源税