一天有86 400秒,用科学记数法表示为______秒.
一天有86 400秒,用科学记数法表示为8.64×104秒.
句型转换。(10’)
小题1:My father will come back in two days.(对划线部分提问)
_______ ________will your father come back?
小题2: The computer is 5000 yuan.(对划线部分提问)
________ the ________of the computer?
小题3:Are they expensive? She asked.(改为宾语从句)
She asked __________ they__________ expensive.
小题4: He has already finished his homework.( 改为否定句)
He_______finished his homework________.
小题5: I didn't come because I was ill. (对划线部分提问)
__________ ________you come ?
运输经营者从事运输生产活动所创造的剩余价值包括()。
A.税金
B.税金和利润
C.利润
D.运输管理费