在ARQ系统中,信息发送台每次向信息接收台发送一组信息,构成每组的的字符数是()。
A、2个
B、3个
C、4个
D、5个
参考答案:B
下列项目中,可采用公允价值计量的是( )
A.应付债券
B.交易性金融资产
C.预付账款
D.持有至到期投资
根据句意和提示完成句子。
1. The girl looks very t after she rides on a bus.
2. I don’t know what the book is without a p .
3. In the picture there is a man in a small h .
4. After the boy reached the final(终点),he s raised his arms(手臂).
5. They are having a c with each other.
6. I like the p watch and always wear it.
7. The two girls are getting r to cook.
8. There are d of chains to buy.