是放热反应。若使平衡向右移动,则应采取的措施是( )。
A.度和增大压力 (
B.度和减小压力 (
参考答案:D
β系数可以用来衡量证券承担系统风险的大小。 ( )
用括号内所给单词的适当形式填空。
1. How can I _______ (get) to the bus station?
2. Where can I do some _______ (shop)?
3. Every _______ (know) about the museum.
4. It's kind of you _______ (help) me with my English.
5. I don't know the way, too. You can _______ (ask) the policeman over there.