浏览网页时，弹出“最热门的视频聊天室”的页面，遇到这种情况，我们应该选择：（）。A、

如果2a=3b（a，b均不为0），那么a：b=______：______．

用所给词的适当形式填空。

1. The child ________ (stop) running around and read his English in the classroom.

2. The police ________ (be) happy to see that no one was hurt in the accident.

3. The boy ________ (run) away quickly when he heard his father's voice.

4. While the boy ________ (sit) in the library, his teacher came to talk to him.

5. The two young men ________ (see) the aliens when the UFO landed.

什么叫频率稳定度？

根据《人民币利率管理规定》，下列关于利率的说法，正确的有（）。

A.中长期贷款利率实行一年一定

B.贷款展期，按合同规定的利率计息

C.短期贷款合同期内，遇利率调整不分段计息

D.逾期贷款从逾期之日起，按罚息利率计收罚息，直到清偿本息为止

E.借款人在借款合同到期日之前归还借款时，银行不得再按原贷款合同向借款人收取利息