加氢裂化尾油的相关指数值随着转化率的提高而呈()。
A.上升趋势
B.下降趋势
C.没有变化
D.先降后升
参考答案:B
Read and answer. 阅读乐园。仔细读,认真回答问题啊!
It will be Children's Day next Wednesday. There is going to be a party in Jenny's class. Ted will dance
hip-hop. Kitty will play the guitar. Jim and Danny will show us Chinese Kung fu. What is Jenny going to do at
the party? She is going to sing a Chinese song. We will invite our teachers and parents to the party. We will have
a good time that day.
1. Why is there going to be a party in the class?
2. What will Ted do ?
3. Who will sing a Chinese song?
4. Will Danny sing a song, too?
5. Where will they hold the party?
根据我国出口收汇核销制度,企业在向银行结汇时必须提交核销单,否则银行不予核销。 ( )